2039-87-4

Name 2-Chlorostyrene
CAS 2039-87-4
EINECS(EC#) 218-026-8
Molecular Formula C8H7Cl
MDL Number MFCD00000567
Molecular Weight 138.59
MOL File 2039-87-4.mol
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Chemical Properties

Appearance o-Chlorostyrene is a flammable, colorless liquid.
Melting point  -63.1 °C
Boiling point  58-60 °C/7 mmHg (lit.)
density  1.08 g/mL at 25 °C(lit.)
refractive index  n20/D 1.565(lit.)
Fp  138 °F
storage temp.  Refrigerator
form  Liquid
color  Colorless to Almost colorless
Water Solubility  Insoluble in water.
BRN  2038863
Exposure limits ACGIH: TWA 50 ppm; STEL 75 ppm
NIOSH: TWA 50 ppm(285 mg/m3); STEL 75 ppm(428 mg/m3)
InChI InChI=1S/C8H7Cl/c1-2-7-5-3-4-6-8(7)9/h2-6H,1H2
InChIKey ISRGONDNXBCDBM-UHFFFAOYSA-N
SMILES C1(Cl)=CC=CC=C1C=C
CAS DataBase Reference 2039-87-4(CAS DataBase Reference)
NIST Chemistry Reference 2-Chlorostyrene(2039-87-4)
EPA Substance Registry System 2039-87-4(EPA Substance)

Safety Data

Hazard Codes  T,Xi
Risk Statements 
R45:May cause cancer.
R20/22:Harmful by inhalation and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S53:Avoid exposure-obtain special instruction before use .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
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) .
S37/39:Wear suitable gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
OEB A
OEL TWA: 50 ppm (285 mg/m3), STEL: 75 ppm (428 mg/m3)
RIDADR  UN 1993 3/PG 3
WGK Germany  3
RTECS  WL4160000
Hazard Note  Harmful
HazardClass  3
PackingGroup  III
HS Code  29039990
Storage Class 3 - Flammable liquids
Hazard Classifications Acute Tox. 4 Inhalation
Aquatic Chronic 3
Carc. 1B
Flam. Liq. 3
Safety Profile
A skin and eye irritant. When heated to decomposition it emits toxic fumes of Cl-. See also CHLORINATED HYDROCARBONS, AROMATIC .
Hazardous Substances Data 2039-87-4(Hazardous Substances Data)

Hazard Information

Material Safety Data Sheet(MSDS)

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