Melting point :70-71℃
Boiling point :88℃
Density :0.85 g/mL at 20 °C
vapor density :3 (vs air)
Flash point :5 °F
storage temp. :2-8°C
form :Solution
color :Colorless to yellow
Specific Gravity :0.83
Water Solubility :Reacts with water.
Sensitive :Air & Moisture Sensitive
Hydrolytic Sensitivity :9: reacts extremely rapidly with atmospheric moisture - may be pyrophoric - glove box or sealed system required
BRN :3587162
Exposure limits :ACGIH: TWA 400 ppm; STEL 500 ppm
OSHA: TWA 400 ppm(1200 mg/m3)
NIOSH: IDLH 1900 ppm CAS DataBase Reference :917-54-4(CAS DataBase Reference)
EPA Substance Registry System :Lithium, methyl- (917-54-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H250 Catches fire spontaneously if exposed to air Pyrophoric liquids; Pyrorophoric solids Category 1 Danger P210, P222, P280, P302+P334,P370+P378, P422 H252 Self-heating in large quantities; may catch fire Self-heating substances and mixtures Category 2 Warning P235+P410, P280, P407, P413, P420 H260 In contact with water releases flammable gases which may ignite spontaneously Substances And Mixtures Which, In Contact With Water,Emit Flammable Gases Category 1 Danger P223, P231+P232, P280, P335+ P334,P370+P378, P402+P404, P501 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312 H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501 H401 Toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 2 P273, P501 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P222 Do not allow contact with air. P223 Keep away from any possible contact with water, because of violent reaction and possible flash fire. P231+P232 Handle under inert gas. Protect from moisture. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P309 IF exposed or if you feel unwell: P310 Immediately call a POISON CENTER or doctor/physician. P370+P378 In case of fire: Use … for extinction. P402+P404 Store in a dry place. Store in a closed container. P405 Store locked up. P422 Store contents under …