8.20138
1,2,4-Benzenetricarboxylic 1,2-anhydride
for synthesis
Synonym(s):
1,2,4-Benzenetricarboxylic 1,2-anhydride, Trimellitic acid anhydride
About This Item
Recommended Products
vapor pressure
<1 Pa ( 20 °C)
Quality Level
form
solid
potency
>2730 mg/kg LD50, oral (Rat)
23000 mg/kg LD50, skin (Rabbit)
expl. lim.
1-7 % (v/v)
pH
2 (20 °C, 21 g/L in H2O)
bp
240 °C/19 hPa
mp
164-168 °C
transition temp
flash point 227 °C
density
1.487 g/cm3 at 20 °C
storage temp.
2-30°C
InChI
1S/C9H4O5/c10-7(11)4-1-2-5-6(3-4)9(13)14-8(5)12/h1-3H,(H,10,11)
InChI key
SRPWOOOHEPICQU-UHFFFAOYSA-N
Related Categories
Analysis Note
Melting range (lower value): ≥ 164 °C
Melting range (upper value): ≤ 168 °C
Identity (IR): passes test
signalword
Danger
Hazard Classifications
Eye Dam. 1 - Resp. Sens. 1 - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
440.6 °F - closed cup
flash_point_c
227 °C - closed cup
Certificates of Analysis (COA)
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