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Merck
CN

M0875

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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关于此项目

线性分子式:
HO2CCH2CH(OH)CO2H
化学文摘社编号:
分子量:
134.09
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
230-022-8
Beilstein/REAXYS Number:
1723539
MDL number:
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产品名称

DL-苹果酸, ≥98% (capillary GC)

InChI key

BJEPYKJPYRNKOW-UHFFFAOYSA-N

InChI

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

SMILES string

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

vapor density

4.6 (vs air)

vapor pressure

<0.1 mmHg ( 20 °C)

assay

≥98% (capillary GC)

autoignition temp.

644 °F

mp

131-133 °C (lit.)

solubility

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

Quality Level

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Application

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

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

397.4 °F

flash_point_c

203 °C

ppe

dust mask type N95 (US), Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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G Anneroth et al.
Scandinavian journal of dental research, 88(3), 214-218 (1980-06-01)
Two saliva stimulating drugs, solutions of Hybrin and malic acid were in an in vitro study found to have a heavy demineralizing effect on the root surface of the dental hard tissue. Consequently the drugs cannot be recommended to patients
Frédéric Bigey et al.
Current biology : CB, 31(4), 722-732 (2020-12-11)
Production of leavened bread dates to the second millennium BCE. Since then, the art of bread making has developed, yet the evolution of bread-associated microbial species remains largely unknown. Nowadays, leavened bread is made either by using a pure commercial
Hugo Oliveira et al.
PloS one, 9(10), e108376-e108376 (2014-10-08)
Resistance rates are increasing among several problematic Gram-negative pathogens, a fact that has encouraged the development of new antimicrobial agents. This paper characterizes a Salmonella phage endolysin (Lys68) and demonstrates its potential antimicrobial effectiveness when combined with organic acids towards

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