27606
DL-Malic acid
meets analytical specification of FCC, E296, 99-100.5% (alkalimetric)
Synonym(s):
(±)-2-Hydroxysuccinic acid, DL-Hydroxybutanedioic acid
About This Item
Recommended Products
vapor density
4.6 (vs air)
Quality Level
vapor pressure
<0.1 mmHg ( 20 °C)
assay
99-100.5% (alkalimetric)
form
solid
optical activity
[α]/D −0.10 to +0.10°
autoignition temp.
644 °F
quality
meets analytical specification of FCC, E296
technique(s)
IR spectroscopy: suitable
impurities
≤0.05% maleic acid
≤0.1% water insoluble matter
≤1% fumaric acid
ign. residue
≤0.1% (as SO4)
mp
129-133 °C
131-133 °C (lit.)
solubility
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
cation traces
As: ≤3 mg/kg
Hg: ≤1 mg/kg
Pb: ≤2 mg/kg
suitability
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
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Application
Biochem/physiol Actions
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
397.4 °F
flash_point_c
203 °C
ppe
dust mask type N95 (US), Eyeshields, Gloves
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