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Key Documents

19-0610

Sigma-Aldrich

Maleic anhydride

SAJ first grade, ≥98.0%

Synonym(s):

2,5-Furandione

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About This Item

Empirical Formula (Hill Notation):
C4H2O3
CAS Number:
Molecular Weight:
98.06
Beilstein:
106909
EC Number:
MDL number:
UNSPSC Code:
12352107
PubChem Substance ID:
grade:
SAJ first grade
form:
solid

grade

SAJ first grade

vapor density

3.4 (vs air)

vapor pressure

0.16 mmHg ( 20 °C)

Assay

≥98.0%

form

solid

autoignition temp.

870 °F

expl. lim.

7.1 %

availability

available only in Japan

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

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Signal Word

Danger

Hazard Statements

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

Supplementary Hazards

Storage Class Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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