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Name Lithium aluminium hydride
CAS 16853-85-3
EINECS(EC#) 240-877-9
Molecular Formula AlH4Li
MDL Number MFCD00011075
Molecular Weight 37.95
MOL File 16853-85-3.mol

Chemical Properties

Appearance Lithium aluminum hydride is a white to gray powder. A combustible solid.
Melting point  125 °C (dec.)(lit.)
Boiling point  0°C
density  0.97 g/mL at 20 °C
Fp  99 °F
storage temp.  2-8°C
form  tablets (~0.5 g each)
color  White to light gray
Specific Gravity 0.917
Odor Odorless solid
Stability: Stable. Reacts violently with water, liberating hydrogen. Incompatible with strong oxidizing agents, alcohols, acids.
Water Solubility  Reacts
Hydrolytic Sensitivity 8: reacts rapidly with moisture, water, protic solvents
Sensitive  Air & Moisture Sensitive
Merck  14,349
Exposure limits TLV-TWA 2 mg(Al)/m3 (ACGIH).
CAS DataBase Reference 16853-85-3(CAS DataBase Reference)
NIST Chemistry Reference Lithium tetrahydroaluminate(16853-85-3)
Storage Precautions Moisture sensitive;Light sensitive;Store under nitrogen
EPA Substance Registry System 16853-85-3(EPA Substance)

Safety Data

Hazard Codes  F,C,Xi,Xn,F+
Risk Statements 
R15:Contact with water liberates extremely flammable gases.
R34:Causes burns.
R14/15:Reacts violently with water, liberating extremely flammable gases .
R11:Highly Flammable.
R36/37:Irritating to eyes and respiratory system .
R19:May form explosive peroxides.
R40:Limited evidence of a carcinogenic effect.
R67:Vapors may cause drowsiness and dizziness.
R66:Repeated exposure may cause skin dryness or cracking.
R22:Harmful if swallowed.
R12:Extremely Flammable.
Safety Statements 
S43:In case of fire, use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add-Never use water) .
S7/8:Keep container tightly closed and dry .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S33:Take precautionary measures against static discharges .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S16:Keep away from sources of ignition-No smoking .
S24/25:Avoid contact with skin and eyes .
S27:Take off immediately all contaminated clothing .
S29:Do not empty into drains .
RIDADR  UN 3399 4.3/PG 1
WGK Germany  2
RTECS  BD0100000
HazardClass  4.3
PackingGroup  I
HS Code  28500090
Safety Profile
Stable in dry air at room temperature. It decomposes above 125' forming Al, H2, and lithium hydride. Very powerful reducer. Can ignite if pulverized even in a dry box. 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 + H2O), perfluorosuccinamide, (perfluorosuccinamide + H20), tetrahydrofuran, water. To fight fire, use dry chemical, includmg special formulations of dry chemicals as recommended by the supplier of the lithium aluminum hydride. Do not use water, fog, spray, or mist. Incompatible with bis (2-methoxyethyl)ether, CO2, BF3, diethyl etherate, dibenzoyl peroxide, 3,5 dbromocyclopentene, 172-dimethoxy ethane, ethyl acetate, fluoro amides, pyridine, tetrahydrofuran. Used as a reducing agent in the preparation of pharmaceuticals. See also ALUMINUM, LITHIUM COMPOUNDS, and HYDRIDES.
Hazardous Substances Data 16853-85-3(Hazardous Substances Data)
TLV-TWA (ACGIH) 2 mg (Al)/m3

Hazard Information

Material Safety Data Sheet(MSDS)