4,5-Dichlorophthalic anhydride Structure

4,5-Dichlorophthalic anhydride

Chemical Properties

Melting point 185-187 °C(lit.)
Boiling point 313°C(lit.)
Density  1.5974 (estimate)
storage temp.  Inert atmosphere,Store in freezer, under -20°C
solubility  Chloroform (Slightly)
form  Powder
color  Light gray to pale blue
Stability Moisture Sensitive
InChI InChI=1S/C8H2Cl2O3/c9-5-1-3-4(2-6(5)10)8(12)13-7(3)11/h1-2H
InChIKey ULSOWUBMELTORB-UHFFFAOYSA-N
SMILES C1(=O)C2=C(C=C(Cl)C(Cl)=C2)C(=O)O1
CAS DataBase Reference 942-06-3(CAS DataBase Reference)
UNSPSC Code 12162002
NACRES NA.23

Safety

Symbol(GHS) Exclamation Mark (GHS07)
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P261-P305+P351+P338-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-37/39
WGK Germany  3
HS Code  29173995
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
NFPA 704:
1
2 1

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