AVF Chemical Industrial CO.,LTD

DL-Serine

English name: DL-Serine or 2-Amino-3-Hydroxypropionic acid

CAS-NO: [302-84-1]

Molecular formula: C₃H₇NO₃

Molecular weight : 105.09

Appearance: white or white-like crystalline powder

Quality standard (FCC-IV):

Assay %	≥99%
Acidity(PH)( 0.3g /30ml solution )	5.2-6.2
Sulfate(SO42-)%	≤0.02
ammonium salt (NH4+)%	≤0.02
Other amino acids %	≤0.5
Loss on dry %	≤0.3
Transmissibility of solution T(lg/20ml solution,430nm)%	≤95.0
Chloride(CL-)%	≤0.02
Residue on ignition %	≤0.1
Ferric salt (Fe)	≤10ppm
Heavy metals (Pb)	≤10ppm
As (As)	≤1ppm

Packing : 25KG/DRUMS(Or according to the customer's request)

Use :the material of amino acid and medicine.