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L-Asparagine

Catalog No. 11150 Name Sigma Aldrich
CAS Number 70-47-3 Website http://www.sigmaaldrich.com
M. F. C4H8N2O3 Telephone 1-800-521-8956
M. W. 132.11792 Fax
Purity ≥99.0% (NT) Email
Storage Chembase ID: 59

SYNONYMS

Title
L-天冬酰胺
IUPAC name
(2S)-2-amino-3-carbamoylpropanoic acid
IUPAC Traditional name
L-asparagine
Synonyms
(S)-2-氨基琥珀酸-4-酰胺
(S)-2-Aminosuccinic acid 4-amide
L-天冬氨酸-4-酰胺
L-Aspartic acid 4-amide

DATABASE IDS

MDL Number MFCD00064401
CAS Number 70-47-3
Beilstein Number 1723527
EC Number 200-735-9

PROPERTIES

Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces sulfate (SO42-): ≤100 mg/kg
Cation Traces Ca: ≤200 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Mg: ≤50 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Na: ≤50 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Ignition Residue ≤0.1% (as SO4)
Impurities ≤0.1% foreign amino acids
Linear Formula H2NCOCH2CH(NH2)CO2H
Purity ≥99.0% (NT)
Melting Point 235 °C (dec.)(lit.)
Optical Rotation [α]20/D +35.0±0.5°, c = 5% in 5 M HCl
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
German water hazard class 1

DETAILS

REFERENCES