Melting point :-93 °C(lit.)
Boiling point :-6.3 °C(lit.)
Density :0.785 g/mL at 25 °C
vapor density :1.08 (20 °C, vs air)
vapor pressure :27 psi ( 20 °C)
refractive index :n20/D 1.371
Flash point :61 °F
storage temp. :Store below +30°C.
solubility :highly soluble in water (108g/100g) at 25°C; soluble in alcohol and miscible with ether; HCl salt is soluble in water and absolute alcohol; compound is insoluble in chloroform, acetone, ether, and ethyl acetate
pka :10.63(at 25℃)
form :Gas
Specific Gravity :0.901 (20℃/4℃) (40% Soln.)
PH :14 (H2O, 20°C)
Odor Threshold :0.035ppm
explosive limit :4.9-20.8%
Water Solubility :Miscible with water, ethanol, benzene, acetone and ether.
Merck :14,6014
BRN :741851
Henry's Law Constant :(x 10^-5 atm?m³/mol): 1.11 at 25 °C (Christie and Crisp, 1967)
Exposure limits :TLV-TWA 10 ppm (～12.3 mg/m³)(ACGIH, MSHA, and OSHA); IDLH 100 ppm (NIOSH).
Dielectric constant :10.0（18℃）
Stability :Stable. Highly flammable. Note wide explosion limits. Incompatible with oxidizing agents, acids, alkalies, alkaline earth metals, copper and its alloys, zinc and its alloys.
LogP :-0.570
CAS DataBase Reference :74-89-5(CAS DataBase Reference)
EPA Substance Registry System :Methylamine (74-89-5)

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 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 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. 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.