Methylamine suppliers

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)

explosive limit

4.9-20.8%

Odor Threshold

0.035ppm

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

Symbol(GHS) 

GHS02,GHS05,GHS07

Signal word 

Danger

Hazard statements 

H225-H314-H335

Precautionary statements 

P210-P233-P240-P280-P303+P361+P353-P305+P351+P338

Hazard Codes 

F+,Xn,C,F,T

Risk Statements 

12-20-37/38-41-34-20/22-11-39/23/24/25-36/37/38-23/24/25-40-19

Safety Statements 

7-16-26-36/37-45-29-36/37/39-3/7-3-39-33

RIDADR 

UN 3286 3/PG 2

WGK Germany 

2

RTECS 

PF6300000

F 

4.5-31

Autoignition Temperature

806 °F

TSCA 

Yes

DOT Classification

2.1 (Flammable gas)

HazardClass 

3

PackingGroup 

II

HS Code 

29211100

Toxicity

LD50 orally in rats: 100-200 mg/kg (Kinney); LC50 in rats: 0.448 ml/l (Sarkar, Sastry)

IDLA

100 ppm