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    lithium tetrahydroaluminate
    CAS No.: 16853-85-3 Formula: AlH4Li Molecular Weight: 37.95430
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    lithium tetrahydroaluminate

    CAS No.: 16853-85-3 Formula: AlH4Li Molecular Weight: 37.95430
    Suppliers: All (74) China Suppliers (74) Price Available (13) Contractor (6)

    Description

    Lithium aluminium hydride, commonly abbreviated to LAH, is an inorganic compound with the chemical formula LiAlH4. It was discovered by Finholt, Bond and Schlesinger in 1947. This compound is used as a reducing agent in organic synthesis, especially for the reduction of esters, carboxylic acids, and amides. The solid is dangerously reactive toward water, releasing gaseous hydrogen (H2). Some related derivatives have been discussed for hydrogen storage.

    Basic Info

    Chemical Name lithium tetrahydroaluminate
    Synonyms

    Lithium aluminium hydride; Lithium Aluminum Hydride; Lithiumaluminumhydride; LAH Lithium alanate Lithium tetrahydroaluminate;

    CAS No. 16853-85-3
    Molecular Formula AlH4Li
    Molecular Weight 37.95430
    PSA 0.00000
    LogP 0.45000

    Numbering system

    EINECS number 240-877-9
    RTECS number BD0100000
    PubChem number 24882214
    MDL number MFCD00011075

    Properties

    Appearance & Physical State white crystalline powder
    Density 0.917
    Boiling Point 0oC
    Melting Point 125oC
    Flash Point -17oC
    Water Solubility Reacts
    Stability Stable. Reacts violently with water, liberating hydrogen. Incompatible with strong oxidizing agents, alcohols, acids.
    Storage Condition 2-8oC

    Safety Info

    RTECS BD0100000
    Hazard Class 4.3
    Safety Statements S16-S26-S33-S36/37/39-S43-S45-S6-S7/8
    HS Code 2850009090
    WGK Germany 2
    Packing Group I
    RIDADR UN 1410/1411
    Risk Statements R11; R14/15; R34
    Hazard Codes C
    Supplemental Hazard Statements May form explosive peroxides.
    Symbol GHS02, GHS05, GHS07, GHS08
    Signal Word Danger
    Hazard Declaration H225; H260; H302; H314; H335; H351
    Caution Statement P210; P231 + P232; P280; P370 + P378; P402 + P404; P403 + P235
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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 10, 2017

    Revision Date: Aug 10, 2017

    1.Identification

    1.1 GHS Product identifier

    Product name lithium tetrahydroaluminate

    1.2 Other means of identification

    Product number -
    Other names Lithium aluminium hydride

    1.3 Recommended use of the chemical and restrictions on use

    Identified uses For industry use only.
    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

    Substances and mixtures, which in contact with water, emit flammable gases, Category 1

    Skin corrosion, Category 1A

    2.2 GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H260 In contact with water releases flammable gases which may ignite spontaneously

    H314 Causes severe skin burns and eye damage

    Precautionary statement(s)
    Prevention

    P223 Do not allow contact with water.

    P231+P232 Handle and store contents under inert gas/.... Protect from moisture.

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

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

    P264 Wash ... thoroughly after handling.

    Response

    P302+P335+P334 IF ON SKIN: Brush off loose particles from skin. Immerse in cool water [or wrap in wet bandages].

    P370+P378 In case of fire: Use ... to extinguish.

    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.

    Storage

    P402+P404 Store in a dry place. Store in a closed container.

    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
    lithium tetrahydroaluminate lithium tetrahydroaluminate 16853-85-3 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

    If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

    In case of skin contact

    Wash off with soap and plenty of water. Consult a physician.

    In case of eye contact

    Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

    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

    Contact of solid with eyes and skin causes severe burns similar to those caused by caustic soda. (USCG, 1999)

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

    no data available

    5.Fire-fighting measures

    5.1 Extinguishing media

    Suitable extinguishing media

    Fire must be extinguished with powdered limestone or dry chemical.

    5.2 Specific hazards arising from the chemical

    Behavior in Fire: Decomposes at 125°C to form hydrogen gas. The heat generated may cause ignition and/or explosion. (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

    Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.

    6.3 Methods and materials for containment and cleaning up

    Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.

    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

    Store in a cool, dry, well-ventilated location. Separate from ketones, aldehydes, nitrogenous organic compounds.

    8.Exposure controls/personal protection

    8.1 Control parameters

    Occupational Exposure limit values

    Recommended Exposure Limit: 10-Hr Time-Weighted Avg: 10 mg/cu m (total). /Aluminum/

    Recommended Exposure Limit: 10 Hr Time-Weighted Avg: 5 mg/cu m (resp). /Aluminum/

    Recommended Exposure Limit: 10 Hr Time-Weighted Avg: 2 mg/cu m. /Aluminum (soluble salts and alkyls, as Al)/

    Recommended Exposure Limit: 10 Hr Time-Weighted Avg: 5 mg/cu m. /Aluminum (pyro powders and welding fumes, as Al)/

    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 white crystalline powder
    Colour Microcrystalline powder when pure; gray when aluminum impurity present. Monoclinic crystals.
    Odour None
    Melting point/ freezing point 181°C(dec.)(lit.)
    Boiling point or initial boiling point and boiling range 140°C/13mmHg(lit.)
    Flammability no data available
    Lower and upper explosion limit / flammability limit no data available
    Flash point -17°C
    Auto-ignition temperature no data available
    Decomposition temperature no data available
    pH no data available
    Kinematic viscosity no data available
    Solubility In water:Reacts
    Partition coefficient n-octanol/water (log value) no data available
    Vapour pressure no data available
    Density and/or relative density 0.905g/mLat 25°C
    Relative vapour density no data available
    Particle characteristics no data available

    10.Stability and reactivity

    10.1 Reactivity

    no data available

    10.2 Chemical stability

    Stable in dry air at room temperature.

    10.3 Possibility of hazardous reactions

    Evolves hydrogen & ignites on contact with water.LITHIUM ALUMINUM HYDRIDE is a powerful reducing agent. React violently on contact with many oxidizing agents. Ignites by friction, especially if powdered. Reacts vigorously with hydroxy compounds such as water, alcohols, carboxylic acids [Mellor 2 Supp. 2:142. 1961]. Caused a violent explosion when used to dry diethylene glycol dimethyl ether: Ignition may have been caused by heat from reaction with impurity water or perhaps decomposition of peroxides in the ether. About 75% of the ether had been removed when the explosion occurred [MCA Case History 1494. 1968]. Reduces carbon dioxide or sodium hydrogen carbonate to methane and ethane at elevated temperatures. These flammable or explosive gases can form when CO2 extinguishers are used to fight hydride fires. Forms explosive complexes with ether, dimethylamine and various tetrazoles. Tetrazoles include, 2-methyl, 2-ethyl, 5-ethyl, 2-methyl-5-vinyl, 5-amino-2-ethyl [US Pat. 3 396 170, 1968].

    10.4 Conditions to avoid

    no data available

    10.5 Incompatible materials

    Reacts violently with air, acids, alcohols, benzoyl peroxide, boron trifluoride etherate, (2-chloromethyl furan + ethyl acetate), diethylene glycol dimethyl ether, diethyl ether, 1,2-dimethoxyethane, dimethyl ether, methyl ethyl ether, (nitriles + water), perfluorosuccinamide, perfluorosuccinamide plus water, tetrahydrofuran, water.

    10.6 Hazardous decomposition products

    Decomposes to lithium hydride, aluminum metal and hydrogen above 125°C without melting.

    11.Toxicological information

    Acute toxicity

    • Oral: no data available
    • Inhalation: no data available
    • 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

    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: no data available
    • Toxicity to daphnia and other aquatic invertebrates: no data available
    • Toxicity to algae: no data available
    • Toxicity to microorganisms: no data available

    12.2 Persistence and degradability

    no data available

    12.3 Bioaccumulative potential

    no data available

    12.4 Mobility in soil

    no data available

    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: UN3399 IMDG: UN3399 IATA: UN3399

    14.2 UN Proper Shipping Name

    ADR/RID: ORGANOMETALLIC SUBSTANCE, LIQUID, WATER- REACTIVE, FLAMMABLE
    IMDG: ORGANOMETALLIC SUBSTANCE, LIQUID, WATER- REACTIVE, FLAMMABLE
    IATA: ORGANOMETALLIC SUBSTANCE, LIQUID, WATER- REACTIVE, FLAMMABLE

    14.3 Transport hazard class(es)

    ADR/RID: 4.3 IMDG: 4.3 IATA: 4.3

    14.4 Packing group, if applicable

    ADR/RID: I IMDG: I IATA: I

    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
    lithium tetrahydroaluminate lithium tetrahydroaluminate 16853-85-3 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 Not Listed.
    Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) Listed.

    16.Other information

    Information on revision

    Creation Date Aug 10, 2017
    Revision Date Aug 10, 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.
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