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8.04808 EMD Millipore

Isophthaloyl dichloride

Isophthaloyl dichloride for synthesis. CAS 99-63-8, EC Number 202-774-7, chemical formula C₆H₄-1,3-(COCl)₂., for synthesis

Synonym: Isophthaloyl chloride

  • CAS Number 99-63-8

  • Linear Formula C₈H₄Cl₂O₂

  • Molecular Weight 203.03 g/mol

  •  EC Number 202-774-7



Related Categories Biochemicals and Reagents More...
packaging   100 g in Glass bottle (8048080100)
expl. lim.     1.5 - 8.9 %(V)
vapor pressure   0.04 hPa (25 °C)
density   1.39 g/cm3 (17 °C)
flash point   180 °C
mp   42 - 45 °C
LD 50 oral   LD50 Rat 2200 mg/kg
LD 50 dermal   LD50 Rabbit 1410 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 98.0 % (a/a)
  Melting range (lower value): ≥ 43 °C
  Melting range (upper value): ≤ 46 °C
  Identity (IR): passes test
  Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

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Safety Information

HS Code 
2917 39 20
Hazard Statement(s) 
H312: Harmful in contact with skin.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
Precautionary Statement(s) 
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage class 
8A Combustible, corrosive hazardous materials
WGK 1 slightly water endangering
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Harmful  Harmful
Declaration (railroad and road) ADR, RID 
UN 3261 , 8, III
Declaration (transport by air) IATA-DGR 
UN 3261 , 8, III
Declaration (transport by sea) IMDG-Code 
UN 3261 , 8, III, Segregation Group: 1 (Acids)
Categories of danger 
R Phrase 
R 21-36/37/38
Harmful in contact with skin.Irritating to eyes, respiratory system and skin.
S Phrase 
S 36/37
Wear suitable protective clothing and gloves.
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