542-90-5

Name Ethylthiocyanate
CAS 542-90-5
EINECS(EC#) 208-833-3
Molecular Formula C3H5NS
MDL Number MFCD00001834
Molecular Weight 87.14
MOL File 542-90-5.mol

Chemical Properties

Appearance Ethyl thiocyanate is a liquid. Onion odor
Melting point  -85.5°C
Boiling point  145 °C(lit.)
density  1.012 g/mL at 25 °C(lit.)
refractive index  n20/D 1.462(lit.)
Fp  109 °F
storage temp.  Flammables area
form  liquid
color  Colorless to Almost colorless
BRN  1737620
Dielectric constant 29.6(20℃)
InChI InChI=1S/C3H5NS/c1-2-5-3-4/h2H2,1H3
InChIKey WFCLYEAZTHWNEH-UHFFFAOYSA-N
SMILES S(CC)C#N
LogP 1.011 (est)
CAS DataBase Reference 542-90-5(CAS DataBase Reference)
NIST Chemistry Reference Thiocyanic acid, ethyl ester(542-90-5)
EPA Substance Registry System 542-90-5(EPA Substance)

Safety Data

Symbol(GHS)  Flame (GHS02)Exclamation Mark (GHS07)
GHS02,GHS07
Signal word  Warning
Hazard statements  H226-H302+H312+H332
Precautionary statements  P210-P280-P301+P312+P330-P302+P352+P312-P304+P340+P312
Hazard Codes  Xn
Risk Statements 
R10:Flammable.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37:Wear suitable protective clothing and gloves .
S24/25:Avoid contact with skin and eyes .
S16:Keep away from sources of ignition-No smoking .
RIDADR  UN 2929 6.1/PG 2
WGK Germany  3
RTECS  XK9900000
13-19-21
TSCA  TSCA listed
HazardClass  3.2
PackingGroup  III
HS Code  29309070
Storage Class 3 - Flammable liquids
Hazard Classifications Acute Tox. 4 Dermal
Acute Tox. 4 Inhalation
Acute Tox. 4 Oral
Flam. Liq. 3
Safety Profile
Poison by ingestion, subcutaneous, intraperitoneal, and intravenous routes. When heated to decomposition it emits very toxic fumes of NO, and SOx. See also THIOCYANATES.
Hazardous Substances Data 542-90-5(Hazardous Substances Data)

Raw materials And Preparation Products

Hazard Information

Material Safety Data Sheet(MSDS)

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