8.20138
1,2,4-Benzenetricarboxylic 1,2-anhydride
for synthesis
别名:
1,2,4-Benzenetricarboxylic 1,2-anhydride, Trimellitic acid anhydride
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关于此项目
经验公式（希尔记法）:
C9H4O5
化学文摘社编号:
分子量:
192.13
UNSPSC Code:
12352106
EC Index Number:
209-008-0
NACRES:
NA.22
MDL number:
SMILES string
O1C(=O)c2c(ccc(c2)C(=O)O)C1=O
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
vapor pressure
<1 Pa ( 20 °C)
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
Quality Level
相关类别
Analysis Note
Assay (morpholine method): ≥ 98.0 %
Melting range (lower value): ≥ 164 °C
Melting range (upper value): ≤ 168 °C
Identity (IR): passes test
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
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
440.6 °F - closed cup
flash_point_c
227 °C - closed cup
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