99-63-8

Name Isophthaloyl dichloride
CAS 99-63-8
EINECS(EC#) 202-774-7
Molecular Formula C8H4Cl2O2
MDL Number MFCD00000678
Molecular Weight 203.02
MOL File 99-63-8.mol
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Chemical Properties

Appearance white crystalline mass
Melting point  43-44 °C(lit.)
Boiling point  276 °C(lit.)
density  1,388 g/cm3
vapor pressure  0.03 mm Hg ( 25 °C)
refractive index  1.5700 (estimate)
Fp  356 °F
storage temp.  Store below +30°C.
form  Crystalline Mass
color  White
explosive limit 1.5-8.9%(V)
Water Solubility  reacts
Sensitive  Moisture Sensitive
BRN  638342
InChI 1S/C8H4Cl2O2/c9-7(11)5-2-1-3-6(4-5)8(10)12/h1-4H
InChIKey FDQSRULYDNDXQB-UHFFFAOYSA-N
SMILES ClC(=O)c1cccc(c1)C(Cl)=O
Uses
Intermediate, dyes, synthetic fibers, resins, films, protective coatings, laboratory reagent.
CAS DataBase Reference 99-63-8(CAS DataBase Reference)
NIST Chemistry Reference 1,3-Benzenedicarbonyl dichloride(99-63-8)
EPA Substance Registry System 99-63-8(EPA Substance)
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Safety Data

Symbol(GHS)  Corrosion (GHS05)Skull and Crossbones (GHS06)
GHS05,GHS06
Signal word  Danger
Hazard statements  H312-H314-H331
Precautionary statements  P260-P271-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  C
Risk Statements 
R21:Harmful in contact with skin.
R34:Causes burns.
R37:Irritating to the respiratory system.
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) .
S7/8:Keep container tightly closed and dry .
S24/25:Avoid contact with skin and eyes .
RIDADR  UN 3261 8/PG 2
WGK Germany  1
RTECS  NT2625000
F  21
TSCA  Yes
REACH Registrations Active
HazardClass  8
PackingGroup  II
HS Code  29173940
Storage Class 6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials
Hazard Classifications Acute Tox. 3 Inhalation
Acute Tox. 4 Dermal
Eye Dam. 1
Skin Corr. 1A
Hazardous Substances Data 99-63-8(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 2200 mg/kg LD50 dermal Rabbit 1410 mg/kg

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Material Safety Data Sheet(MSDS)

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