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Merck
CN

M0875

Sigma-Aldrich

DL-苹果酸

≥98% (capillary GC)

别名:

(±)-2-羟基琥珀酸, DL-羟基丁二酸

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About This Item

线性分子式:
HO2CCH2CH(OH)CO2H
CAS号:
分子量:
134.09
Beilstein:
1723539
EC 号:
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22

蒸汽密度

4.6 (vs air)

质量水平

蒸汽压

<0.1 mmHg ( 20 °C)

方案

≥98% (capillary GC)

自燃温度

644 °F

mp

131-133 °C (lit.)

溶解性

H2O: 50 mg/mL, clear, colorless to faintly yellow

SMILES字符串

OC(CC(O)=O)C(O)=O

InChI

1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)

InChI key

BJEPYKJPYRNKOW-UHFFFAOYSA-N

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应用

DL-苹果酸可作为反应物合成:
  • 羟基酯,通过醇酯化反应
  • 可生物降解聚合物,通过与柠檬酸热缩合

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Eye Irrit. 2

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

397.4 °F

闪点(°C)

203 °C

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves


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