Substance
ID:351389
Names and Identifiers
IUPAC Traditional name
malic acid
IUPAC name
2-hydroxybutanedioic acid
Synonyms
DL-Hydroxybutanedioic acid(±)-2-羟基琥珀酸(±)-2-Hydroxysuccinic acidDL-Malic acidDL-苹果酸DL-羟基丁二酸
Registration numbers
EC Number
CAS Number
MDL Number
Beilstein Number
PubChem SID
Properties
Safety Information
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
German water hazard class
3
MSDS Link
GHS Precautionary statements
P261-P280-P305+P351+P338
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
Corrosive to metals, category 1
Skin corrosion, categories 1A,1B,1C
Serious eye damage, category 1
Safety Statements
26-36/39
GHS Signal Word
Danger
GHS Hazard statements
H302-H315-H318-H335
Risk Statements
22-37/38-41
European Hazard Symbols
Harmful (Xn)RTECS
ON7175000
Product Information
Cation Traces
As: ≤3 mg/kg
Pb: ≤2 mg/kg
Hg: ≤1 mg/kg
Purity
99-100.5% (alkalimetric)
Impurities
≤0.05% maleic acid
≤1% fumaric acid
≤0.1% water insoluble matter
Quality
meets analytical specification of FCC, E296
Ignition Residue
≤0.1% (as SO4)
Linear Formula
HO2CCH2CH(OH)CO2H
Suitability
complies for identity (IR)
Physical Property
Melting Point
129-133 °C
131-133 °C(lit.)
Vapor Density
4.6 (vs air)
Vapor Pressure
<0.1 mmHg ( 20 °C)
Auto Ignition Point
644 °F
Optical Rotation
[α]/D -0.10 to +0.10°
Molecule Details
No Data Available
Click here to submit data
Molecular Spectra
No Data Available
Click here to submit data
References
No Data Available
Click here to submit data