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89529

Maleic anhydride

analytical standard

Synonym(s):

2,5-Furandione

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About This Item

Empirical Formula (Hill Notation):
C4H2O3
CAS Number:
108-31-6
Molecular Weight:
98.06
UNSPSC Code:
12162002
Beilstein/REAXYS Number:
106909
MDL number:
MFCD00005518
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grade

analytical standard

Quality Segment

100

vapor density

3.4 (vs air)

vapor pressure

0.16 mmHg ( 20 °C)

autoignition temp.

870 °F

shelf life

limited shelf life, expiry date on the label

expl. lim.

7.1 %

bp

200 °C (lit.)

mp

51-56 °C (lit.)

SMILES string

O=C1OC(=O)C=C1

InChI

1S/C4H2O3/c5-3-1-2-4(6)7-3/h1-2H

InChI key

FPYJFEHAWHCUMM-UHFFFAOYSA-N

General description

This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food.

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signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1A - STOT RE 1 Inhalation

target_organs

Respiratory system

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 1

flash_point_f

217.4 °F - closed cup

flash_point_c

103 °C - closed cup

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