L-Serine; Beta Hydroxyalanine; 2-Amion-3-Hydroxypropionicacid; Used as Biochemical ReagentChemical Name: (S)-2-Amino-3-hydroxypropanoic acid
Molecular Formula: C3H7NO3
Molecular Weight: 105.09
CAS No: 56-45-1
Characteristics: White crystalline powder
Quality Standards: AJI97
Item Specification (AJI97)
Appearance White crystalline powder
Assay, % (on dry matter) 99.0~101.0
Specific optical rotation +14.4degree~+15.5degree
Transmittance, % <98.0
pH value 5.2~6.2
Loss on drying, % <0.2
Heavy metals, % <0.001
Residue on ignition, % <0.1
Chloride, % <0.02
Sulfate, % <0.02
Iron, % <0.001
Arsenic, % <0.0001
Ammonium (as NH+4), % <0.02
Other amino acids Not detd.
The Characteristics and Uses:
Package and Transport:
The inner packed with two layer polyethylene plastic bags; The outer packed with the paper board barrel. Net weight 25kg.
Handle with care. Protect the product from sunshine or rain. Do not transport with poisonous or harmful goods. This product belongs to the non-dangerous product category and can be transported as a general chemical product.
Storage:
Store in dry, clear, shady and place. The expiry date is for two years.
Pharma Grade (USP38) | Food Grade (FCCV) |
Appearance | White crystalline powder | White crystalline powder |
Assay(on dry matter) | 98.5~101.5% | 98.5~101.5% |
Specific rotation | +14.0º~+15.6º | +13.6º~+16.0º |
Loss on drying | NMT 0.2% | 0.3% MAX |
Residue on ignition | NMT 0.1% | 0.1% MAX |
Chloride | NMT 0.05% | -- |
Sulfate | NMT 0.03% | -- |
Iron | NMT 30ppm | -- |
Lead | -- | 5mg/kg MAX |
Related compounds | Individual impurities: NMT 0.5% Total impurities: NMT 2.0% | -- |