Product Name: DL-Valine 
Alias: DL-2-Amino-3-methylbutyric acid; DL-2-Aminoisovaleric acid~(+/-)-2-Amino-3-methylbutyric acid; H-DL-Val-OH; DL-2-Aminoisovaleric acid~(+/-)-2-Amino-3-methylbutyric acid~H-DL-Val-OH
CAS NO: 516-06-3 
Molecular formula: C5H11NO2   
Molecular weight: 117.15 
Appearance: white crystal or crystal powder; dissolved in common neutral solvent; soluble in water 
To use: as accessory substance, intermediate in synthesis of drugs 
Product standard:  enterprise standard 
Purity: ≥99.0% 
Heavy metal: ≤0.002%
Loss on drying: ≤0.5%
Chloride: ≤0.02%
Ignition residue: ≤0.5%
Packing specification: inner double-layer polythene film bag with outer 25kg paper barrel
Storage: should be preserved sealed shield of light; expiration life is 2 years and could be packed on customer demand 
Transportation: load and unload carefully; avoid rain and direct sunlight; separate with toxic and harmful products; it is non-dangerous goods and could be transported as ordinary chemicals.