8.07516
1,2,4,5-Benzenetetracarboxylic-1,2:4,5-dianhydride
for synthesis
Synonym(s):
1,2,4,5-Benzenetetracarboxylic-1,2:4,5-dianhydride, Pyromellitic dianhydride
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About This Item
CAS Number:
Molecular Weight:
218.12
UNSPSC Code:
12162002
EC Index Number:
201-898-9
NACRES:
NA.22
MDL number:
vapor pressure
<0.01 hPa ( 20 °C)
Quality Segment
form
powder
autoignition temp.
630 °C
potency
2250 mg/kg LD50, oral (Rat)
bp
397-400 °C/1013 hPa
mp
284-287 °C
transition temp
flash point 380 °C
bulk density
400‑600 kg/m3
storage temp.
2-30°C
SMILES string
[o]1[c](c2c([c]1=O)cc3c([c]([o][c]3=O)=O)c2)=O
InChI
1S/C10H2O6/c11-7-3-1-4-6(10(14)16-8(4)12)2-5(3)9(13)15-7/h1-2H
InChI key
ANSXAPJVJOKRDJ-UHFFFAOYSA-N
General description
for synthesis
Application
1,2,4,5-Benzenetetracarboxylic-1,2:4,5-dianhydride for synthesis. CAS 89-32-7, molar mass 218.12 g/mol.
Analysis Note
Assay (estericification)≥ 97.0 %Melting range (lower value)≥ 284 °CMelting range (upper value)≤ 288 °CIdentity (IR)passes test
signalword
Danger
Hazard Classifications
Eye Dam. 1 - Resp. Sens. 1 - Skin Sens. 1
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
716.0 °F - closed cup
flash_point_c
380 °C - closed cup
hcodes
Certificates of Analysis (COA)
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