Merck
All Photos(1)

1.08495

Millipore

L-Valine

for biochemistry

Synonym(s):
L-Valine, Val
CAS Number:
Molecular Weight:
117.15
MDL编号:
EC索引号:
200-773-6

质量水平

100

形式

solid

pH值(酸碱度)

5.5-6.5 (20 °C, 100 g/L in H2O)

mp

315 °C

溶解性

85 g/L

密度

1.23 g/cm3 at 20 °C

堆积密度

400 kg/m3

储存温度

2-30°C

InChI

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

InChI key

KZSNJWFQEVHDMF-UHFFFAOYSA-N

一般描述

for biochemistry

应用

L-Valine for biochemistry. CAS 72-18-4, pH 5.5 - 6.5 (100 g/l, H₂O, 20 °C).

分析说明

Assay (perchloric acid titration)≥ 99.0 %Identity (IR-spectrum)passes testAppearancewhite, crystalline powder or colorless crystalsAppearance of solution (50 g/l; water)clear and colorlessSpec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l)+23.8 to +24.8Heavy metals (as Pb)≤ 0.001 %NH₄ (Ammonium)≤ 0.01 %Foreign amino acids≤ 0.5 %Other ninhydrine positive substances≤ 0.1 %

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(F)

Not applicable

闪点(C)

Not applicable

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