M188

Sigma-Aldrich

Maleic anhydride

99%

Sinónimos:
2,5-Furandione
Empirical Formula (Hill Notation):
C4H2O3
Número de CAS:
Peso molecular:
98.06
Beilstein/REAXYS Number:
106909
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

vapor density

3.4 (vs air)

vapor pressure

0.16 mmHg ( 20 °C)

assay

99%

form

briquettes

autoignition temp.

870 °F

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

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General description

The structure of maleic acid consists of four carbon molecules along with carboxylate groups on either ends, with a double bond between the central carbon atoms. The anhydride of maleic acid has five atoms in its cyclic molecule, the unsaturated bond undergoes free radical polymerization in the presence of an initiator.

Application

Maleic anhydride may be used in the synthesis of unsaturated polyester resins and as a reactant in synthesizing important products such as agricultural chemicals, lubricant additives and food acidulatents.

Packaging

5 kg in poly drum
25 g in poly bottle
1 kg in poly bottle
25 kg in fiber drum

signalword

Danger

hazcat

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

Target Organs

Respiratory system

Supp Hazards

EUH071

storage_class_code

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK Germany

WGK 1

Flash Point F

217.4 °F

Flash Point C

103 °C

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificado de Análisis

Certificado de origen

Veronika Bátori et al.
Polymers, 11(3) (2019-04-10)
This study was conducted to improve the properties of thin films prepared from orange waste by the solution casting method. The main focus was the elimination of holes in the film structure by establishing better cohesion between the major cellulosic...
João F A Silva et al.
Polymers, 12(6) (2020-06-18)
Titanium dioxide is considered the most efficient white pigment for opacification of thermoplastics. However, its high cost, combined with strong price oscillations due to production bottlenecks, has been driving the industry towards alternatives that might allow reducing the titanium dioxide...
Eunice Cunha et al.
Nanomaterials (Basel, Switzerland), 8(9) (2018-09-12)
The search for graphene or few-layer graphene production methods that are simple, allow mass production, and yield good quality material continues to provoke intense investigation. The present work contributes to this investigation through the study of the aqueous exfoliation of...
Sylwia Członka et al.
Materials (Basel, Switzerland), 13(7) (2020-04-16)
In this work, rigid polyurethane (PUR) foams were prepared by incorporating 2 wt% of eucalyptus fibers. The eucalyptus fibers were surface-modified by maleic anhydride, alkali, and silane (triphenylsilanol) treatment. The impact of the modified eucalyptus fibers on the mechanical, thermal...
Veronica H Flood et al.
Blood, 125(14), 2297-2304 (2015-02-11)
Von Willebrand factor (VWF) contains binding sites for platelets and for vascular collagens to facilitate clot formation at sites of injury. Although previous work has shown that VWF can bind type IV collagen (collagen 4), little characterization of this interaction...
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