Melting point :-98 °C
Boiling point :65 °C
Density :0.97 g/mL at 20 °C
vapor density :1.1 (vs air)
vapor pressure :50 mm Hg ( 20 °C)
refractive index :1.3700
Flash point :11 °C
storage temp. :Store at +5°C to +30°C.
solubility :Miscible with ethanol, methanol, fats and esters.Immiscible with hydrocarbons and organic solvents.
form :Powder
pka :15.17[at 20 ℃]
color :clarity
Specific Gravity :0.945
explosive limit :36%
Water Solubility :reacts
Sensitive :Moisture Sensitive
Hydrolytic Sensitivity :8: reacts rapidly with moisture, water, protic solvents
Merck :14,8643
BRN :3592982
Exposure limits :ACGIH: Ceiling 2 mg/m3
OSHA: TWA 2 mg/m3
NIOSH: IDLH 10 mg/m3; Ceiling 2 mg/m3 Dielectric constant :1.5（Ambient）
Stability :Stability Highly flammable. Reacts violently with water. Keep container dry. Incompatible with water, acids, chlorinated solvents.
InChIKey :WQDUMFSSJAZKTM-UHFFFAOYSA-N
LogP :-0.77 at 25℃
CAS DataBase Reference :124-41-4(CAS DataBase Reference)
NIST Chemistry Reference :Sodium methoxide(124-41-4)
EPA Substance Registry System :Sodium methoxide (124-41-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H228 Flammable solid Flammable solids Category 1 Category 2 Danger Warning P210, P240,P241, P280, P370+P378 H251 Self-heating; may catch fire Self-heating substances and mixtures Category 1 Danger H290 May be corrosive to metals Corrosive to Metals Category 1 Warning P234, P390, P404 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, 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
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P235 Keep cool. P260 Do not breathe 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.