Skip to Content
Merck
All Photos(1)

Key Documents

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

Sign Into View Organizational & Contract Pricing
All Photos(1)

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

Signal Word

Danger

Hazard Statements

H317 - H318 - H334

Hazard Classifications

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

716.0 °F - closed cup

Flash Point(C)

380 °C - closed cup

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service