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    N,N-dimethylformamide
    CAS No.: 68-12-2 Formula: C3H7NO Molecular Weight: 73.09380
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    N,N-dimethylformamide

    CAS No.: 68-12-2 Formula: C3H7NO Molecular Weight: 73.09380
    Suppliers: All (136) China Suppliers (136) Price Available (23) Contractor (14)

    Description

    Dimethylformamide is an organic compound with the formula (CH3)2NC(O)H. Commonly abbreviated as DMF (although this acronym is sometimes used for dimethylfuran, or dimethyl fumarate), this colourless liquid is miscible with water and the majority of organic liquids. DMF is a common solvent for chemical reactions. Dimethylformamide is odorless whereas technical grade or degraded samples often have a fishy smell due to impurity of dimethylamine. As its name indicates, it is a derivative of formamide, the amide of formic acid. DMF is a polar (hydrophilic) aprotic solvent with a high boiling point. It facilitates reactions that follow polar mechanisms, such as SN2 reactions.

    Numbering system

    UNII 8696NH0Y2X

    Properties

    Appearance & Physical State Clear colorless liquid
    Density 0.945
    Boiling Point 153oC
    Melting Point -61oC
    Flash Point 58oC
    Refractive Index 1.429-1.432
    Water Solubility soluble
    Storage Condition Store at RT.
    Vapor Density 2.5 (vs air)
    Vapor Pressure 2.7 mm Hg ( 20 °C)

    Safety Info

    RTECS LQ2100000
    Hazard Class 3
    Safety Statements S45-S53
    HS Code 2924191000
    Packing Group III
    WGK Germany 1
    RIDADR UN 2265
    Risk Statements R20/21; R36; R61
    Hazard Codes T
    Hazard Declaration H226; H312 + H332; H319; H360D
    Symbol GHS02, GHS07, GHS08
    Caution Statement P201; P210; P261; P280; P308 + P313; P370 + P378
    Signal Word Danger
    SDS 1.0 Expand

    SDS 1.0

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    SAFETY DATA SHEETS

    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.Identification

    1.1 GHS Product identifier

    Product name N,N-dimethylformamide

    1.2 Other means of identification

    Product number -
    Other names N,N-dimethyl-malonamic acid ethyl ester

    1.3 Recommended use of the chemical and restrictions on use

    Identified uses For industry use only. Dimethylformamide is primarily used as an industrial solvent. Dimethylformamide solutions are used to process polymer fibers, films, and surface coatings; to permit easy spinning of acrylic fibers; to produce wire enamels, and as a crystallization medium in the pharmaceutical industry.
    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

    Acute toxicity - Dermal, Category 4

    Eye irritation, Category 2

    Acute toxicity - Inhalation, Category 4

    Reproductive toxicity, Category 1B

    2.2 GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H312 Harmful in contact with skin

    H319 Causes serious eye irritation

    H332 Harmful if inhaled

    Precautionary statement(s)
    Prevention

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

    P264 Wash ... thoroughly after handling.

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

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

    P201 Obtain special instructions before use.

    P202 Do not handle until all safety precautions have been read and understood.

    Response

    P302+P352 IF ON SKIN: Wash with plenty of water/...

    P312 Call a POISON CENTER/doctor/…if you feel unwell.

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

    P362+P364 Take off contaminated clothing and wash it before reuse.

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

    P337+P313 If eye irritation persists: Get medical advice/attention.

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

    P308+P313 IF exposed or concerned: Get medical advice/ attention.

    Storage

    P405 Store locked up.

    Disposal

    P501 Dispose of contents/container to ...

    2.3 Other hazards which do not result in classification

    none

    3.Composition/information on ingredients

    3.1 Substances

    Chemical name Common names and synonyms CAS number EC number Concentration
    N,N-dimethylformamide N,N-dimethylformamide 68-12-2 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. Refer for medical attention.

    In case of skin contact

    Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention .

    In case of eye contact

    First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

    If swallowed

    Rinse mouth. Do NOT induce vomiting. Refer for medical attention .

    4.2 Most important symptoms/effects, acute and delayed

    Irritation of eyes, skin and nose. May cause nausea. (USCG, 1999)

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

    Immediate first aid: Ensure that adequate decontamination has been carried out. If patient is not breathing, start artificial respiration, preferably with a demand-valve resuscitator, bag-valve-mask device, or pocket mask, as trained. Perform CPR as necessary. Immediately flush contaminated eyes with gently flowing water. Do not induce vomiting. If vomiting occurs, lean patient forward or place on left side (head-down position, if possible) to maintain an open airway and prevent aspiration. Keep patient quiet and maintain normal body temperature. Obtain medical attention. /Organic acids and related compounds/

    5.Fire-fighting measures

    5.1 Extinguishing media

    Suitable extinguishing media

    Wear self contained breathing apparatus for fire fighting if necessary.

    5.2 Specific hazards arising from the chemical

    Special Hazards of Combustion Products: Vapors are irritating (USCG, 1999)

    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

    Personal protection: complete protective clothing including self-contained breathing apparatus. Ventilation. Remove all ignition sources. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.

    6.3 Methods and materials for containment and cleaning up

    Use personal protective equipment. 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.

    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

    Separated from incompatible materials. See Chemical Dangers.Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Handle and store under inert gas.

    8.Exposure controls/personal protection

    8.1 Control parameters

    Occupational Exposure limit values

    Recommended Exposure Limit: 10 Hour Time-Weighted Average: 10 ppm (30 mg/cu m), skin.

    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 Clear colorless liquid
    Colour Colorless to very slightly yellow liquid
    Odour Fishy odor
    Melting point/ freezing point -61°C(lit.)
    Boiling point or initial boiling point and boiling range 153°C(lit.)
    Flammability Class II Combustible Liquid: Fl.P. at or above 37.78°C and below 60°C.Flammable. Gives off irritating or toxic fumes (or gases) in a fire.
    Lower and upper explosion limit / flammability limit Lower flammable limit: 2.2% by volume at 212 deg F (100°C); Upper flammable limit: 15.2% by volume
    Flash point 58°C
    Auto-ignition temperature 445°C
    Decomposition temperature no data available
    pH pH = 6.7 (0.5 molar solution in water)
    Kinematic viscosity 0.802 cP at 25°C
    Solubility In water:soluble
    Partition coefficient n-octanol/water (log value) no data available
    Vapour pressure 2.7 mm Hg ( 20 °C)
    Density and/or relative density 0.944g/mL(lit.)
    Relative vapour density 2.5 (vs air)
    Particle characteristics no data available

    10.Stability and reactivity

    10.1 Reactivity

    no data available

    10.2 Chemical stability

    DMF is stable. It is hygroscopic and easily absorbs water form a humid atmosphere and should therefore be kept under dry nitrogen. High purity DMF, required for acrylic fibers, is best stored in aluminum tanks. DMF dose not change under light or oxygen and does not polymerize spontaneously. Temperatures >350°C may cause decomposition to form dimethylamine and carbon dioxide, with pressure developing in closed containers.

    10.3 Possibility of hazardous reactions

    CombustibleN,N-DIMETHYLFORMAMIDE may react violently with a broad range of chemicals, e.g.: alkaline metals (sodium, potassium), azides, hydrides (sodium borohydride, lithium aluminum hydride), bromine, chlorine, carbon tetrachloride, hexachlorocyclohexane, phosphorus pentaoxide, triethylaluminum, magnesium nitrate, organic nitrates. Forms explosive mixtures with lithium azide [Bretherick, 5th ed., 1995, p. 453]. Oxidation by chromium trioxide or potassium permanganate may lead to explosion [Pal B. C. et al., Chem. Eng. News, 1981, 59, p. 47].

    10.4 Conditions to avoid

    no data available

    10.5 Incompatible materials

    CAN REACT VIGOROUSLY WITH OXIDIZING AGENTS, HALOGENATED HYDROCARBONS, & INORG NITRATES.

    10.6 Hazardous decomposition products

    When heated to decomposition it emits toxic fumes of /nitrogen oxides/.

    11.Toxicological information

    Acute toxicity

    • Oral: LD50 Mouse oral 6.8 mL/kg
    • Inhalation: LC50 Mouse inhalation 9400 mg/cu m/2 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

    Carcinogenicity

    Evaluation: There is inadequate evidence in humans for the carcinogenicity of dimethylformamide. There is evidence suggesting the lack of carcinogenicity of dimethylformamide in experimental animals. Overall evaluation: Dimethylformamide is not classifiable as to its carcinogenicity in humans (Group 3).

    Reproductive toxicity

    Only one study is available on the reproductive effects of dimethylformamide in humans. This study reported an increased rate of spontaneous abortion among pregnant women occupationally exposed to dimethylformamide. However, these results cannot be attributed solely to dimethylformamide, as these women were exposed to a number of additional chemicals. Dimethylformamide is embryotoxic in animals; reduced implantation efficiency, decreased mean fetal weight, and increased abortions have been reported in rats exposed by inhalation. In rabbits exposed to dimethylformamide by gavage (experimentally placing the chemical in the stomach), decreased mean fetal weight and increased percentage of malformed live fetuses per litter and increased percentage of litters with malformed fetuses were observed in the high-dose group.

    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: /Oncorhynchus mykiss/ (rainbow trout) weight 0.8 g; Conditions: static bioassay; Concentration: 12,000 mg/L for 96 hr (95% confidence limits 10,000-13,000 mg/L)
    • Toxicity to daphnia and other aquatic invertebrates: EC50; Species: Daphnia magna (Water flea) age <24 hr; Conditions: freshwater, static, 20.5°C, pH 7.04-7.97, hardness 46.4 (40.4-56.3) mg/L CaCO3, alkalinity 41.7 (30.0-46.0) mg/L CaCO3, dissolved oxygen 85.5 (77.5-90.8) mg/L; Concentration: 26300000 ug/L for 24 hr (95% confidence interval: 23400000-29600000 ug/L); Effect: intoxication, immobilization
    • Toxicity to algae: EC50; Species: Anabaena inaequalis (Blue-Green Algae) 1X10+6 cells/mL; Conditions: freshwater, static; Concentration: 0.6% for 10-14 days (95% confidence interval: 0.36-0.84%); Effect: growth, general /formulation
    • Toxicity to microorganisms: no data available

    12.2 Persistence and degradability

    AEROBIC: Aerobic unacclimated and acclimated river die-away tests showed that N,N-dimethylformamide at an initial concentration of 30 mg/L completely disappeared within 6 and 3 days, respectively(1). However, 24 to 48 hours was required before any degradation was observed among unacclimated samples(1). N,N-Dimethylformamide, present at 100 mg/L, reached 4.4% of its theoretical BOD in 2 weeks using an activated sludge inoculum at 30 mg/L in the Japanese MITI test(2). Aerobic grab sample data for N,N-dimethylformamide in sea water showed a mineralization rate of <3% in 24 hours for initial concentration of 10 ug/L and 100 ug/L(3). However, 20% of N,N-dimethylformamide at a concentration of 0.1 ug/L was mineralized in 24 hrs(3). All samples were adjusted to sterilized controls(3). Aqueous screening test data demonstrated that dimethylformamide was easily removed by sewage treatment facilities upon acclimation(4). Wastewater from a polyimide synthesis operation at Kansas City, MO contained N,N-dimethylformamide at a concentration of 65,500 mg/L before entering a bench scale biological treatment system(5). At feed rates of 90 lb/day/1000 cu ft, effluent from the biological reactor contained N,N-dimethylformamide at a concentration of <10 mg/L(5). The concentration of N,N-dimethylformamide in the reactor sludge was not documented(5).

    12.3 Bioaccumulative potential

    BCFs of 0.3-1.2 and 0.3-0.8 were reported in carp (Cyprinus carpio) when exposed to 2 and 20 ppm of N,N-dimethylformamide over a 2-week period, respectively(1). According to a classification scheme(2), these BCFs suggest the potential for bioconcentration in aquatic organisms is low(SRC).

    12.4 Mobility in soil

    Using a structure estimation method based on molecular connectivity indices(1), the Koc of N,N-dimethylformamide can be estimated to be 1(SRC). According to a classification scheme(2), this estimated Koc value suggests that N,N-dimethylformamide is expected to have very high mobility in soil.

    12.5 Other adverse effects

    no data available

    13.Disposal considerations

    13.1 Disposal methods

    Product

    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: UN2265 IMDG: UN2265 IATA: UN2265

    14.2 UN Proper Shipping Name

    ADR/RID: N,N-DIMETHYLFORMAMIDE
    IMDG: N,N-DIMETHYLFORMAMIDE
    IATA: N,N-DIMETHYLFORMAMIDE

    14.3 Transport hazard class(es)

    ADR/RID: 3 IMDG: 3 IATA: 3

    14.4 Packing group, if applicable

    ADR/RID: III IMDG: III IATA: III

    14.5 Environmental hazards

    ADR/RID: no IMDG: no IATA: no

    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
    N,N-dimethylformamide N,N-dimethylformamide 68-12-2 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%

    References

    • 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.
    MSDS Expand
    1H NMR : 90 MHz in CDCl3Expand

    NMR Spectrum 1H NMR : 90 MHz in CDCl3

    Collapse

    C3 H7 N O 0.04 ml : 0.5 ml CDCl3
    N,N-dimethylformamide

    Assign. Shift(ppm)
    A 8.019
    B 2.970
    C 2.883

    IR : CCl4 solutionExpand
    Mass Expand
    Raman : 4880 A,150M,liquidExpand
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