1,2,4-Benzenetricarboxylic anhydride CAS NO.552-30-7

Trimellitic Anhydride Chemical Properties
Melting point     163-166 °C (lit.)
Boiling point     390 °C
density     1.54
vapor density     6.6 (vs air)
vapor pressure     <0.01 mm Hg ( 20 °C)
refractive index     1.4717 (estimate)
Fp     227 °C
storage temp.     Store below +30°C.
solubility     24.4g/l (decomposition)
form     Flakes
pka    3.11±0.20(Predicted)
color     White to off-white
PH    2 (21g/l, H2O, 20℃)
explosive limit    1-7%(V)
Water Solubility     DECOMPOSES
Sensitive     Moisture Sensitive
Merck     14,9703
BRN     9394
Stability:    Stable. Moisture sensitive.
InChIKey    SRPWOOOHEPICQU-UHFFFAOYSA-N
CAS DataBase Reference    552-30-7(CAS DataBase Reference)
NIST Chemistry Reference    Trimellitic anhydride(552-30-7)
EPA Substance Registry System    Trimellitic anhydride (552-30-7) 

Trimellitic Anhydride Basic information
Product Name:    Trimellitic Anhydride
Synonyms:    1,2,4-Benzenetricarboxylic acid anhydride;1,2,4-Benzenetricarboxylic acid anhydride-1,2;1,2,4-Benzenetricarboxylic acid, cyclic 1,2-anhydride;1,2,4-benzenetricarboxylicacid,cyclic1,2-anhydride;1,2,4-benzenetricarboxylicacidanhydride;1,3-dihydro-1,3-dixoxo-5-isobenzofurancarboxylic acid;benzene-1,2,4-tricarboxylic acid 1,2-anhydride trimellitic anhydride;BENZENE-1,3,4-TRICARBOXYLICANHYDRIDE
CAS:    552-30-7
MF:    C9H4O5
MW:    192.13
EINECS:    209-008-0
Mol File:    552-30-7.mol 

Safety Information
Hazard Codes     Xn
Risk Statements     37-41-42/43
Safety Statements     22-26-36/37/39
WGK Germany     1
RTECS     DC2050000
F     10-21
TSCA     Yes
HS Code     29173980
Hazardous Substances Data    552-30-7(Hazardous Substances Data)
Toxicity    LD50 orally in Rabbit: > 2730 mg/kg LD50 dermal Rabbit 23000 mg/kg