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2905-23-9

Name 2-Chlorobenzenesulfonyl chloride
CAS 2905-23-9
EINECS(EC#) 220-807-3
Molecular Formula C6H4Cl2O2S
MDL Number MFCD00051520
Molecular Weight 211.07
MOL File 2905-23-9.mol
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Chemical Properties

Appearance clear yellow to orange-red liquid
Melting point  26-28℃
Boiling point  150-152 °C/12 mmHg (lit.)
density  1.548 g/mL at 25 °C(lit.)
refractive index  n20/D 1.576(lit.)
Fp  140 °F
storage temp.  under inert gas (nitrogen or Argon) at 2-8°C
form  Liquid or Low Melting Solid
color  Clear yellow to orange-red
Water Solubility  It reacts with water.
Sensitive  Moisture Sensitive
BRN  974321
CAS DataBase Reference 2905-23-9(CAS DataBase Reference)
NIST Chemistry Reference 2-Chlorobenzenesulfonyl chloride(2905-23-9)
EPA Substance Registry System Benzenesulfonyl chloride, 2-chloro- (2905-23-9)

Safety Data

Hazard Codes  C
Risk Statements 
R34:Causes burns.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
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 2920 8/PG 2
WGK Germany  2
RTECS  DB8925500
Hazard Note  Corrosive
TSCA  Yes
HazardClass  8
PackingGroup  II
HS Code  29049090

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