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8.07516

Sigma-Aldrich

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:
89-32-7
Molecular Weight:
218.12
MDL number:
MFCD00005005
UNSPSC Code:
12162002
EC Index Number:
201-898-9
NACRES:
NA.22

vapor pressure

<0.01 hPa ( 20 °C)

Quality Level

200

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

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

pictograms

CorrosionHealth hazard
GHS05,GHS08

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Resp. Sens. 1 - Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

716.0 °F - closed cup

flash_point_c

380 °C - closed cup

Certificates of Analysis (COA)

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