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Trimellitic Anhydride Structure

Trimellitic Anhydride

Product NameTrimellitic Anhydride

CAS552-30-7

CBNumberCB5293056

MFC9H4O5

MW192.13

EINECS209-008-0

MDL NumberMFCD00005925

MOL File552-30-7.mol

MSDS FileSDS

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)
Flash point 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
Exposure limits ACGIH: TWA 0.0005 mg/m3; STEL 0.002 mg/m3 (Skin)
NIOSH: TWA 0.005 ppm(0.04 mg/m3)
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)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H317-H318-H334-H335
Precautionary statements P261-P271-P280-P302+P352-P304+P340+P312-P305+P351+P338
Hazard Codes  Xn
Risk Statements  37-41-42/43
Safety Statements  22-26-36/37/39
WGK Germany  1
RTECS  DC2050000
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
NFPA 704:
1
2 1

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