Isophthaloyl dichloride
Isophthaloyl dichloride
  • CAS No.:99-63-8
Other grades of this product :
Isophthaloyl dichloride Basic information
Product Name:Isophthaloyl dichloride
Synonyms:1,3-benzenedicarboxylicacid,dichloride;1,3-Bis(chlorocarbonyl)benzene;chlorured’acidebenzodicarboxylique-1,3;chlorured’isophthaloyle;Dichlorid kyseliny isoftalove;dichloridkyselinyisoftalove;Isophthalic acid chloride;Isophthalic chloride
CAS:99-63-8
MF:C8H4Cl2O2
MW:203.02
EINECS:202-774-7
Product Categories:Acid Halides;Building Blocks;ACID CHLORIDES;Carbonyl Compounds;Chemical Synthesis;Organic Building Blocks
Mol File:99-63-8.mol
Isophthaloyl dichloride Chemical Properties
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 limit1.5-8.9%(V)
Water Solubility reacts
Sensitive Moisture Sensitive
BRN 638342
InChIKeyFDQSRULYDNDXQB-UHFFFAOYSA-N
CAS DataBase Reference99-63-8(CAS DataBase Reference)
NIST Chemistry Reference1,3-Benzenedicarbonyl dichloride(99-63-8)
EPA Substance Registry System1,3-Benzenedicarbonyl dichloride (99-63-8)
Safety Information
Hazard Codes C,T
Risk Statements 21-34-37-35-23
Safety Statements 26-36/37/39-45-7/8-24/25
RIDADR UN 3261 8/PG 2
WGK Germany 1
RTECS NT2625000
21
TSCA Yes
HazardClass 8
PackingGroup II
HS Code 29173940
Hazardous Substances Data99-63-8(Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: 2200 mg/kg LD50 dermal Rabbit 1410 mg/kg
MSDS Information
ProviderLanguage
1,3-Benzenedicarbonyl chloride English
SigmaAldrich English
ACROS English
ALFA English
Isophthaloyl dichloride Usage And Synthesis
Chemical Propertieswhite crystalline mass
UsesIntermediate, dyes, synthetic fibers, resins, films, protective coatings, laboratory reagent.
UsesIsophthaloyl dichloride is used in a variety of performance polymers and fibers, where it impacts flame resistance, temperature stability, chemical resistance, and flexibility. In addition, it is an effective stabilizer for urethane prepolymers due to its ability to scavenge water. Also used in aromatic fiber raw materials.
General DescriptionIsopthaloyl chloride acts as a crosslinking agent in various polymerization reactions.
Flammability and ExplosibilityNonflammable

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