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L-Valine

Catalog No. 94620 Name Sigma Aldrich
CAS Number 72-18-4 Website http://www.sigmaaldrich.com
M. F. C5H11NO2 Telephone 1-800-521-8956
M. W. 117.14634 Fax
Purity ≥99.0% (NT) Email
Storage Chembase ID: 47

SYNONYMS

Title
L-缬氨酸
IUPAC name
(2S)-2-amino-3-methylbutanoic acid
IUPAC Traditional name
L-valine
Synonyms
(S)-α-氨基异戊酸
L-2-氨基-3-甲基丁酸
L-2-Amino-3-methylbutanoic acid
(S)-α-Aminoisovaleric acid

DATABASE IDS

EC Number 200-773-6
MDL Number MFCD00064220
Beilstein Number 1721136
CAS Number 72-18-4

PROPERTIES

Purity ≥99.0% (NT)
Cation Traces Fe: ≤5 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces NH4+: ≤150 mg/kg
Cation Traces Na: ≤200 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 ≤0.3% foreign amino acids
Linear Formula (CH3)2CHCH(NH2)CO2H
Loss on Drying ≤0.1% loss on drying, 110 °C
Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces sulfate (SO42-): ≤50 mg/kg
Cation Traces Ca: ≤50 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
Melting Point 295-300 °C (subl.)(lit.)
Optical Rotation [α]20/D +27±1°, c = 5% in 5 M HCl
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECS YV9361000
German water hazard class 1

DETAILS

REFERENCES