Methyl thiocyanate cas no:556-64-9

NameMethyl thiocyanate
CAS556-64-9
SynonymsThiocyanic acid methyl ester
EINECS(EC#)209-134-6
Molecular FormulaC2H3NS
Molecular Weight73.11

refractive index1.467-1.469
storage tempPoison room

Hazardclass3

Hazard T:Toxic;
Risk R10;R23/24/25
Safety

Poison by ingestion, intravenous, and subcutaneous routes. When heated to decomposition it emits very toxic fumes of NO_x and SO_x. See also THIOCYANATES.
Hazard Codes: T
Risk Statements: 23/24/25-10-36/37
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed. 
R10:Flammable. 
R36/37:Irritating to eyes and respiratory system.
Safety Statements: 28A-27-26-16-45-36/37/39 
S28:After contact with skin, wash immediately with plenty of soap-suds. 
S27:Take off immediately all contaminated clothing. 
S16:Keep away from sources of ignition. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN1992
RTECS: XL1575000
HazardClass: 3
PackingGroup: III
Hazardous Substances Data: 556-64-9(Hazardous Substances Data)

1.		orl-rat LD50:60 mg/kg		85JCAE    Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,1036.
2.		ipr-mus LD50:23 mg/kg		PCBPBS    Pesticide Biochemistry and Physiology. 2 (1972),95.
3.		ivn-mus LD50:18 mg/kg		CSLNX*    U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#02864 .
4.		orl-cat LDLo:8500 µg/kg		MEIEDD    Merck Index. 11 (1989),963.
5.		scu-rbt LDLo:20 mg/kg		AEPPAE    Naunyn-Schmiedebergs Archiv fuer Experimentelle Pathologie und Pharmakologie. 150 (1930),257.