420-12-2

Name ETHYLENE SULFIDE
CAS 420-12-2
EINECS(EC#) 206-993-9
Molecular Formula C2H4S
MDL Number MFCD00005159
Molecular Weight 60.12
MOL File 420-12-2.mol
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Chemical Properties

Appearance clear colourless liquid
Melting point  207-209℃
Boiling point  55-56 °C (lit.)
density  1.01 g/mL at 25 °C(lit.)
vapor pressure  4.15 psi ( 20 °C)
refractive index  n20/D 1.495(lit.)
Fp  50 °F
storage temp.  Freezer
solubility  Chloroform (Soluble), Methanol (Sparingly)
Water Solubility  Insoluble in water
form  liquid
color  Colorless to Almost colorless
Stability: Stable at room temperature, but may have butylmercaptan added to enhance stability. Flammable.
Specific Heat Capacity Cp(gas):0.88656J/(g·K),at 25℃
BRN  102379
Henry's Law Constant 2.8×10-2 mol/(m3Pa) at 25℃, HSDB (2015)
InChI 1S/C2H4S/c1-2-3-1/h1-2H2
InChIKey VOVUARRWDCVURC-UHFFFAOYSA-N
SMILES C1CS1
LogP 0.556 (est)
CAS DataBase Reference 420-12-2(CAS DataBase Reference)
IARC 3 (Vol. 11, Sup 7) 1987
EPA Substance Registry System Thiirane (420-12-2)
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Safety Data

Hazard Codes  F,T
Risk Statements 
R11:Highly Flammable.
R23/25:Toxic by inhalation and if swallowed .
R41:Risk of serious damage to eyes.
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 1992 3/PG 2
WGK Germany  3
RTECS  KX3500000
F  10-13-23
TSCA  TSCA listed
HazardClass  6.1(a)
PackingGroup  I
HS Code  29349990
Storage Class 3 - Flammable liquids
Hazard Classifications Acute Tox. 3 Inhalation
Acute Tox. 3 Oral
Eye Dam. 1
Flam. Liq. 2
Safety Profile
Poison by ingestion, intraperitoneal, and subcutaneous routes. Mddly toxic by inhalation. A skin, eye, and mucous membrane irritant. Questionable carcinogen with experimental tumorigenic data. Can react with oxidizing materials. When heated to decomposition, or on contact with acid or acid fumes, it emits highly toxic fumes of SOx. See also SULFIDES.
Hazardous Substances Data 420-12-2(Hazardous Substances Data)

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