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    CAS No.: 7664-41-7 Formula: H3N Molecular Weight: 17.03050
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    CAS No.: 7664-41-7 Formula: H3N Molecular Weight: 17.03050
    Suppliers: All (47) China Suppliers (47) Price Available (9) Contractor (12)

    Basic Info

    Chemical Name Ammonia

    amoniak; NH3; ammoniaca;

    CAS No. 7664-41-7
    Molecular Formula H3N
    Molecular Weight 17.03050
    PSA 3.24000
    LogP 0.32390

    Numbering system

    UNII 5138Q19F1X


    Appearance & Physical State colourless gas (standard conditions)
    Density 0.6818
    Boiling Point -33oC
    Melting Point -78oC
    Flash Point 11oC
    Refractive Index 1.355
    Water Solubility soluble
    Stability Stable. Hygroscopic. Flammable. Incompatible with acids, strong oxidizing agents. May react violently with acids, aldehydes, alkylene oxides, amides, boron, boron halides, calcium, chlorine azide, chloric acid, chlorine monoxide, chlorites, halogens, heavy
    Storage Condition 0-6oC
    Vapor Density 0.6 (vs air)
    Vapor Pressure 8.75 atm ( 21 °C)

    Safety Info

    RTECS BO0875000
    Hazard Class 3
    Safety Statements 26-7-45-36/37/39-16-9-61
    HS Code 2814100000
    Packing Group II
    WGK Germany 2
    RIDADR UN 1005/2073
    Risk Statements R10; R11; R23/24/25; R36/37/38; R39/23/24/25
    Hazard Codes F
    Hazard Declaration H221; H280; H314; H331; H410
    Symbol GHS02, GHS07, GHS08
    Signal Word Danger
    Supplemental Hazard Statements May form explosive peroxides; Repeated exposure may cause skin dryness or cracking.
    Caution Statement P210; P261; P273; P281; P305 + P351 + P338
    SDS 1.0 Expand

    SDS 1.0

    Download/Modify | Technical supported by XiXisys.com. For US version, EU version (23 languages) and more, please refer to xixisys.com/en/sds/search


    According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

    Version: 1.0

    Creation Date: Aug 12, 2017

    Revision Date: Aug 12, 2017


    1.1 GHS Product identifier

    Product name Ammonia

    1.2 Other means of identification

    Product number -
    Other names Ammonia

    1.3 Recommended use of the chemical and restrictions on use

    Identified uses For industry use only. Inorganic substances
    Uses advised against no data available

    1.4 Supplier's details

    Company MOLBASE (Shanghai) Biotechnology Co., Ltd.
    Address Floor 4 & 5, Building 12, No. 1001 North Qinzhou Road,
    Xuhui District, Shanghai, China
    Telephone +86(21)64956998
    Fax +86(21)54365166

    1.5 Emergency phone number

    Emergency phone number +86-400-6021-666
    Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

    2.Hazard identification

    2.1 Classification of the substance or mixture

    Gases under pressure: Compressed gas

    Flammable gases, Category 2

    Skin corrosion, Category 1B

    Acute toxicity - Inhalation, Category 3

    Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

    2.2 GHS label elements, including precautionary statements

    Signal word


    Hazard statement(s)

    H221 Flammable gas

    H314 Causes severe skin burns and eye damage

    H331 Toxic if inhaled

    H400 Very toxic to aquatic life

    Precautionary statement(s)

    P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.

    P260 Do not breathe dust/fume/gas/mist/vapours/spray.

    P264 Wash ... thoroughly after handling.

    P280 Wear protective gloves/protective clothing/eye protection/face protection.

    P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

    P271 Use only outdoors or in a well-ventilated area.

    P273 Avoid release to the environment.


    P377 Leaking gas fire: Do not extinguish, unless leak can be stopped safely.

    P381 In case of leakage, eliminate all ignition sources.

    P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

    P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water [or shower].

    P363 Wash contaminated clothing before reuse.

    P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

    P310 Immediately call a POISON CENTER/doctor/…

    P321 Specific treatment (see ... on this label).

    P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    P311 Call a POISON CENTER/doctor/…

    P391 Collect spillage.


    P410+P403 Protect from sunlight. Store in a well-ventilated place.

    P403 Store in a well-ventilated place.

    P405 Store locked up.

    P403+P233 Store in a well-ventilated place. Keep container tightly closed.


    P501 Dispose of contents/container to ...

    2.3 Other hazards which do not result in classification


    3.Composition/information on ingredients

    3.1 Substances

    Chemical name Common names and synonyms CAS number EC number Concentration
    Ammonia Ammonia 7664-41-7 none 100%

    4.First-aid measures

    4.1 Description of necessary first-aid measures

    General advice

    Consult a physician. Show this safety data sheet to the doctor in attendance.

    If inhaled

    Fresh air, rest. Half-upright position. Administration of oxygen may be needed. Refer immediately for medical attention.

    In case of skin contact

    Rinse skin with plenty of water or shower for at least 15 minutes. ON FROSTBITE: rinse with plenty of water, do NOT remove clothes. Refer immediately for medical attention .

    In case of eye contact

    Rinse with plenty of water for several minutes (remove contact lenses if easily possible). Refer immediately for medical attention.

    If swallowed

    Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

    4.2 Most important symptoms/effects, acute and delayed

    Excerpt from ERG Guide 125 [Gases - Corrosive]: TOXIC; may be fatal if inhaled, ingested or absorbed through skin. Vapors are extremely irritating and corrosive. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control may cause pollution. (ERG, 2016)

    Vapors cause irritation of eyes and respiratory tract. Liquid will burn skin and eyes. Poisonous; may be fatal if inhaled. Contact may cause burns to skin and eyes. Contact with liquid may cause frostbite. (EPA, 1998)

    Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]: TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution. (ERG, 2016)

    4.3 Indication of immediate medical attention and special treatment needed, if necessary

    Inhalation of ammonia gas: Observe carefully for signs of progressive upper airway obstruction, and intubate early if necessary. Administer humidified supplemental oxygen and bronchodilators for wheezing. Treat noncardiogenic pulmonary edema if it occurs. Asymptomatic or mildly symptomatic patients may be discharged after a brief observation period. Ingestion of aqueous solution: If a solution of 10% or greater has been ingested or if ther are any symptoms of corrosive injury (dysphagia, drooling, or pain), perform flexible endoscopy to evaluate for serious esophageal or gastric injury. Obtain chest and abdominal radiograph to look for mediastinal or abdominal free air, which suggests esophageal or gastrointestinal perforation. Eye exposure: After eye irrigation, perform fluorescein examination and refer the patient to an ophthalmologist if there is evidence of corneal injury.

    5.Fire-fighting measures

    5.1 Extinguishing media

    Suitable extinguishing media

    Suitable extinguishing media: Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

    5.2 Specific hazards arising from the chemical

    Excerpt from ERG Guide 125 [Gases - Corrosive]: Some may burn but none ignite readily. Vapors from liquefied gas are initially heavier than air and spread along ground. Some of these materials may react violently with water. Cylinders exposed to fire may vent and release toxic and/or corrosive gas through pressure relief devices. Containers may explode when heated. Ruptured cylinders may rocket. For UN1005: Anhydrous ammonia, at high concentrations in confined spaces, presents a flammability risk if a source of ignition is introduced. (ERG, 2016)

    Mixing of ammonia with several chemicals can cause severe fire hazards and/or explosions. Ammonia in container may explode in heat of fire. Incompatible with many materials including silver and gold salts, halogens, alkali metals, nitrogen trichloride, potassium chlorate, chromyl chloride, oxygen halides, acid vapors, azides, ethylene oxide, picric acid and many other chemicals. Mixing with other chemicals and water. Hazardous polymerization may not occur. (EPA, 1998)

    Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]: Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated. For electric vehicles or equipment, ERG Guide 147 (lithium ion batteries) or ERG Guide 138 (sodium batteries) should also be consulted. (ERG, 2016)

    5.3 Special protective actions for fire-fighters

    Wear self-contained breathing apparatus for firefighting if necessary.

    6.Accidental release measures

    6.1 Personal precautions, protective equipment and emergency procedures

    Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8.

    6.2 Environmental precautions

    Evacuate danger area! Consult an expert! Personal protection: gas-tight chemical protection suit including self-contained breathing apparatus. Ventilation. Shut off cylinder if possible. Isolate the area until the gas has dispersed. Remove gas with fine water spray. NEVER direct water jet on liquid.

    6.3 Methods and materials for containment and cleaning up

    ACCIDENTAL RELEASE MEASURES: Personal precautions, protective equipment and emergency procedures: Wear respiratory protection. Avoid breathing vapors, mist or gas. Ensure adequate ventilation. Remove all sources of ignition. Evacuate personnel to safe areas. Beware of vapors accumulating to form explosive concentrations. Vapors can accumulate in low areas. Environmental precautions: Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. Methods and materials for containment and cleaning up: Contain spillage, and then collect with an electrically protected vacuum cleaner or by wet-brushing and place in container for disposal according to local regulations.

    7.Handling and storage

    7.1 Precautions for safe handling

    Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2.

    7.2 Conditions for safe storage, including any incompatibilities

    Fireproof. Separated from oxidants, acids and halogens. Cool. Keep in a well-ventilated room.Keep container tightly closed in a dry and well-ventilated place. Contents under pressure. Storage class (TRGS 510): Gases

    8.Exposure controls/personal protection

    8.1 Control parameters

    Occupational Exposure limit values

    Recommended Exposure Limit: 10-hour Time-Weighted Avearge: 25 ppm (18 mg/cu m).

    Recommended Exposure Limit: 15-minute Short-Term Exposure Limit: 35 ppm (27 mg/cu m).

    Biological limit values

    no data available

    8.2 Appropriate engineering controls

    Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.

    8.3 Individual protection measures, such as personal protective equipment (PPE)

    Eye/face protection

    Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).

    Skin protection

    Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.

    Respiratory protection

    Wear dust mask when handling large quantities.

    Thermal hazards

    no data available

    9.Physical and chemical properties

    Physical state colourless gas (standard conditions)
    Colour Colorless gas
    Odour Sharp, cloying, repellent
    Melting point/ freezing point -20°C(lit.)
    Boiling point or initial boiling point and boiling range ?33°C(lit.)
    Flammability Flammable. Cylinder may explode in heat of fire.
    Lower and upper explosion limit / flammability limit Lower flammable limit: 15% by volume; Upper flammable limit: 28% by volume
    Flash point 132°C
    Auto-ignition temperature 650.56°C
    Decomposition temperature no data available
    pH pH of 1.0N aqueous solution 11.6; 0.1N aqueous solution 11.1; 0.01N aqueous solution 10.6
    Kinematic viscosity 0.475, 0.317, 0.276 and 0.255 cP at -69, -50, -40 and -33.5°C, respectively
    Solubility In water:soluble
    Partition coefficient n-octanol/water (log value) log Kow = -2.66 /estimate for ammonium hydroxide which is the form of ammonia in water/
    Vapour pressure 8.75 atm ( 21 °C)
    Density and/or relative density 1.023g/mLat 25°C
    Relative vapour density 0.6 (vs air)
    Particle characteristics no data available

    10.Stability and reactivity

    10.1 Reactivity

    no data available

    10.2 Chemical stability

    Stable under recommended storage conditions.

    10.3 Possibility of hazardous reactions

    Not flammable.The gas is lighter than air.Ammonia gas is lighter than air. However, under certain conditions, when compressed liquified ammonia gas initially escapes a cylinder and comes into contact with moisture in the air it will form an ammonia fog. This fog is likeley to remain low to the ground, and could prevent ammonia gas from rising in the air.Dangerous concentrations of ammonia gas will occur quickly in enclosed or poorly ventilated spaces.Ammonia solutions react exothermically with acids to produce water and ammonium salts, Heating or treating with strong bases also causes evolution of gaseous ammonia. Ammonia can burn or explode if exposed to an intense source of ignition but can generally be treated as nonflammable. Readily combines with silver oxide, silver chloride, silver nitrate, silver azide or mercury to form explosive compounds. Forms explosive ammonium chlorate on contact with chlorates [Kirk-Othmer, 3rd ed., Vol. 2, 1978, p. 470]. Reacts violently or produces explosive products with fluorine, chlorine, bromine and iodine and bromine pentafluoride and chlorine trifluoride. Mixing of bleaching powder (hypochlorite solution) with ammonia solutions produces toxic/explosive ammonia trichloride vapors. May react violently with boron halides, ethylene oxide (polymerization), perchlorates and strong oxidizing agents (chromyl chloride, chromium trioxide, chromic acid, nitric acid, hydrogen peroxide, chlorates, fluorine, nitrogen oxide, liquid oxygen).

    10.4 Conditions to avoid

    no data available

    10.5 Incompatible materials

    Incompatible materials: Oxidizing agents, iron, zinc, copper, silver/silver oxides, cadmium/cadmium oxides, alcohols, acids, halogens, aldehydes.

    10.6 Hazardous decomposition products

    Hazardous decomposition products formed under fire conditions. - Nitrogen oxides (NOx)

    11.Toxicological information

    Acute toxicity

    • Oral: LD50 Rat oral 350 mg/kg
    • Inhalation: LC50 Rabbit inhalation 7,050 mg/cu m/1 hr
    • Dermal: no data available

    Skin corrosion/irritation

    no data available

    Serious eye damage/irritation

    no data available

    Respiratory or skin sensitization

    no data available

    Germ cell mutagenicity

    no data available


    no data available

    Reproductive toxicity

    no data available

    STOT-single exposure

    no data available

    STOT-repeated exposure

    no data available

    Aspiration hazard

    no data available

    12.Ecological information

    12.1 Toxicity

    • Toxicity to fish: LC50; Species: Lepomis cyanellus (green sunfish); Concentration: 0.6-2.1 mg/L for 96 hr /Conditions of bioassay not specified
    • Toxicity to daphnia and other aquatic invertebrates: LC50; Species: Daphnia magna (water flea); Concentration: 24 mg/L for 48 hr /Conditions of bioassay not specified
    • Toxicity to algae: no data available
    • Toxicity to microorganisms: no data available

    12.2 Persistence and degradability

    AEROBIC: When ammonia appears in water under the normal conditions (aerobic), it is rapidly converted to nitrate by nitrification; the principal water contaminant normally being nitrate. The pH in water is increased by the presence of ammonia ion, in the form of hydroxide ions. ... Bacteria convert the ammonia to nitrate creating an oxygen demand (BOD) several days after the introduction of ammonia. The bacteria that oxidize ammonia to nitrate are largely of the genus Nitrosomonas; conversion of nitrite to nitrate is carried out primarily by the genus Nitrobacter. Temperature, oxygen supply, and pH of the water are factors in determining the rate of oxidation.

    12.3 Bioaccumulative potential

    Plants have a high affinity for gaseous ammonia when leaf stomata are open in daylight.

    12.4 Mobility in soil

    Ammonia is strongly adsorbed on soil, and on sediment particles and colloids in water. This adsorption results in high concentrations of sorbed ammonia in oxidized sediments. Under anoxic conditions, the adsorptive capacity of sediments is less, resulting in the release of ammonia to either the water column or an oxidized sediment layer above.

    12.5 Other adverse effects

    no data available

    13.Disposal considerations

    13.1 Disposal methods


    The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.

    Contaminated packaging

    Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.

    14.Transport information

    14.1 UN Number

    ADR/RID: UN1005 IMDG: UN1005 IATA: UN1005

    14.2 UN Proper Shipping Name


    14.3 Transport hazard class(es)

    ADR/RID: 2.3 IMDG: 2.3 IATA: 2.3

    14.4 Packing group, if applicable


    14.5 Environmental hazards

    ADR/RID: yes IMDG: yes IATA: yes

    14.6 Special precautions for user

    no data available

    14.7 Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code

    no data available

    15.Regulatory information

    15.1 Safety, health and environmental regulations specific for the product in question

    Chemical name Common names and synonyms CAS number EC number
    Ammonia Ammonia 7664-41-7 none
    European Inventory of Existing Commercial Chemical Substances (EINECS) Listed.
    EC Inventory Listed.
    United States Toxic Substances Control Act (TSCA) Inventory Listed.
    China Catalog of Hazardous chemicals 2015 Listed.
    New Zealand Inventory of Chemicals (NZIoC) Listed.
    Philippines Inventory of Chemicals and Chemical Substances (PICCS) Listed.
    Vietnam National Chemical Inventory Listed.
    Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) Listed.

    16.Other information

    Information on revision

    Creation Date Aug 12, 2017
    Revision Date Aug 12, 2017

    Abbreviations and acronyms

    • CAS: Chemical Abstracts Service
    • ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
    • RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
    • IMDG: International Maritime Dangerous Goods
    • IATA: International Air Transportation Association
    • TWA: Time Weighted Average
    • STEL: Short term exposure limit
    • LC50: Lethal Concentration 50%
    • LD50: Lethal Dose 50%
    • EC50: Effective Concentration 50%


    • IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
    • HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
    • IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
    • eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
    • CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
    • ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
    • ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
    • Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
    • ECHA - European Chemicals Agency, website: https://echa.europa.eu/

    Disclaimer: The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. We as supplier shall not be held liable for any damage resulting from handling or from contact with the above product.

    GC Analysis

    Total 2 Documents >>
    Column type Active phase Temperature (°C) Retention Index (I) Temperature Control Method
    Packed PMS-100 150. 118. isothermal
    Packed PMS-100 180. 131. isothermal
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