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100-20-9

Name Terephthaloyl chloride
CAS 100-20-9
EINECS(EC#) 202-829-5
Molecular Formula C8H4Cl2O2
MDL Number MFCD00000693
Molecular Weight 203.02
MOL File 100-20-9.mol
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Chemical Properties

Appearance white crystalline flakes
Melting point  79-81 °C(lit.)
Boiling point  266 °C(lit.)
density  1,34 g/cm3
vapor density  7 (vs air)
vapor pressure  0.02 mm Hg ( 25 °C)
refractive index  1.5684 (estimate)
Fp  356 °F
storage temp.  2-8°C
solubility  ethanol: 5%, clear
form  flakes
color  White to Almost white
Odor char. odor
PH <0.5 (H2O)
explosive limit 1.5-8.9%(V)
Water Solubility  REACTS
Sensitive  Moisture Sensitive
BRN  607796
InChIKey LXEJRKJRKIFVNY-UHFFFAOYSA-N
Uses
Dyemanufacture; synthetic fibers, resins, films; UV absorption; pharmaceuticals; rubber chemicals; cross-linking agent for polyurethanes and polysulfides.
CAS DataBase Reference 100-20-9(CAS DataBase Reference)
NIST Chemistry Reference 1,4-Benzenedicarbonyl dichloride(100-20-9)
EPA Substance Registry System 100-20-9(EPA Substance)
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Safety Data

Hazard Codes  C,T
Risk Statements 
R34:Causes burns.
R23:Toxic by inhalation.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S27:Take off immediately all contaminated clothing .
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) .
S38:In case of insufficient ventilation, wear suitable respiratory equipment .
RIDADR  UN 2923 8/PG 3
WGK Germany  3
RTECS  WZ1797000
TSCA  Yes
HazardClass  6.1
PackingGroup  II
HS Code  29173980
Safety Profile
Moderately toxic by ingestion. Corrosive. Combustible when exposed to heat or flame. When heated to decomposition it emits toxic fumes of Cl-. See also CHLORIDES.
Hazardous Substances Data 100-20-9(Hazardous Substances Data)

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