Merck
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94619

Sigma-Aldrich

L-Valine

BioUltra, ≥99.5% (NT)

Synonym(s):
(S)-α-Aminoisovaleric acid, L-2-Amino-3-methylbutanoic acid
Linear Formula:
(CH3)2CHCH(NH2)CO2H
CAS Number:
Molecular Weight:
117.15
Beilstein:
1721136
EC Number:
MDL number:
eCl@ss:
32160406
PubChem Substance ID:
NACRES:
NA.26

product line

BioUltra

Quality Level

assay

≥99.5% (NT)

form

powder or crystals

optical activity

[α]20/D +27.0±0.5°, c = 5% in 5 M HCl

impurities

insoluble matter, passes filter test
≤0.3% foreign amino acids

ign. residue

≤0.05%

loss

≤0.05% loss on drying, 20 °C (HV)

color

white

mp

295-300 °C (subl.) (lit.)

solubility

1 M HCl: 0.5 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤50 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
NH4+: ≤150 mg/kg
Na: ≤100 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.5 M in 1 M HCl

UV absorption

λ: 260 nm Amax: 0.15
λ: 280 nm Amax: 0.1

SMILES string

CC(C)[C@H](N)C(O)=O

InChI

1S/C5H11NO2/c1-3(2)4(6)5(7)8/h3-4H,6H2,1-2H3,(H,7,8)/t4-/m0/s1

InChI key

KZSNJWFQEVHDMF-BYPYZUCNSA-N

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Other Notes

Protects enzymes against heat inactivation; As spacer in isotachophoresis of serum proteins; Growth requirement of various microorganisms

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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