DL-苹果酸，DL-Malic acid；meets analytical specification of FCC, E296, 99-100.5% (alkalimetric)

蒸汽密度

4.6 (vs air)

质量水平

200

蒸汽压

<0.1 mmHg ( 20 °C)

测定

99-100.5% (alkalimetric)

形式

solid

旋光性

[α]/D −0.10 to +0.10°

自燃温度

644 °F

质量

meets analytical specification of FCC, E296

technique(s)

IR spectroscopy: suitable

杂质

≤0.05% maleic acid
≤0.1% water insoluble matter
≤1% fumaric acid

灼烧残渣

≤0.1% (as SO₄)

mp

129-133 °C
131-133 °C (lit.)

溶解性

acetone: soluble 17.75 g/ 100 gm at 20 °C
diethyl ether: soluble 0.84 g/100 gm at 20 °C
dioxane: soluble 22.70 g/100 gm at 20 °C
ethanol: soluble 45.53 g/100 gm at 20 °C
methanol: soluble 82.70 g/100 g at 20 °C
water: soluble 55.8 g/100 gm at 20 °C
benzene: insoluble

痕量阳离子

As: ≤3 mg/kg
Hg: ≤1 mg/kg
Pb: ≤2 mg/kg

适用性

complies for identity (IR)

application(s)

pharmaceutical (small molecule)

SMILES string

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

象形图

GHS07

警示用语：

Warning

危险声明

H319

预防措施声明

P264 - P280 - P305 + P351 + P338 - P337 + P313

危险分类

Eye Irrit. 2

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(F)

397.4 °F

闪点(C)

203 °C

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves