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3172-52-9

Name 2,5-Dichlorothiophene
CAS 3172-52-9
EINECS(EC#) 221-638-8
Molecular Formula C4H2Cl2S
MDL Number MFCD00005423
Molecular Weight 153.03
MOL File 3172-52-9.mol
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Chemical Properties

Appearance clear colorless to slightly yellow liquid
Melting point  -41--40°C
Boiling point  162 °C (lit.)
density  1.442 g/mL at 25 °C(lit.)
refractive index  1.561-1.563
Fp  59 °C
storage temp.  0-6°C
form  liquid
Specific Gravity 1.442
BRN  109887
CAS DataBase Reference 3172-52-9(CAS DataBase Reference)
NIST Chemistry Reference Thiophene, 2,5-dichloro-(3172-52-9)
EPA Substance Registry System 3172-52-9(EPA Substance)

Safety Data

Hazard Codes  T+,Xn
Risk Statements 
R40:Limited evidence of a carcinogenic effect.
R26/27/28:Very Toxic by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37:Wear suitable protective clothing and gloves .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
RIDADR  2929
WGK Germany  3
TSCA  T
HazardClass  6.1
PackingGroup  II
HS Code  29349990

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