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文件

安全信息

M188

Sigma-Aldrich

马来酸酐

99%

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别名:
2,5-呋喃二酮
经验公式（希尔记法）:
C4H2O3
CAS号:
108-31-6
分子量:
98.06
Beilstein:
106909
EC 号:
203-571-6
MDL编号:
MFCD00005518
PubChem化学物质编号:
24896701
NACRES:
NA.23

蒸汽密度

3.4 (vs air)

质量水平

200

蒸汽压

0.16 mmHg ( 20 °C)

检测方案

99%

自燃温度

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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相关类别

一般描述

马来酸的结构由四个碳分子和两端的羧酸基团组成，在中心碳原子之间具有双键。马来酸酐在其环状分子中具有五个原子，不饱和键在引发剂存在下经历自由基聚合。

应用

马来酸酐可用于合成不饱和聚酯树脂和用作合成重要产品的反应物，例如农业化学品、润滑剂添加剂和食品酸化剂。

外形

煤球

警示用语：

Danger

危险分类

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

靶器官

Respiratory system

补充剂危害

EUH071

储存分类代码

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

WGK

WGK 1

闪点(°F)

217.4 °F

闪点(°C)

103 °C

个人防护装备

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

法规信息

危险化学品

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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
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
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
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
Frita Yuliati et al.
Polymers, 12(8) (2020-08-06)
Low cross-link density thermally reversible networks were successfully synthesized from jatropha and sunflower oils. The oils were epoxidized and subsequently reacted with furfurylamine to attach furan groups onto the triglycerides, preferably at the epoxide sites rather than at the ester
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