Molecular formula:C5H8NNaO4·H2O
Molecular weight:187.13
Properties:
colorless to white prism crystal or crystalline powder, PH of 10% solution 6.9 Melting point195℃, relative Density1.635,
Quality standard GB/T 8967-2000 |
Quality standardFCC-1996 |
Assay |
≥99.0% |
Assay |
98.5%-101.5% |
light transmittance |
≥98% |
Heavy metals |
≤10mg/kg |
specific rotatory power[α]20D |
+24.9°~+25.3° |
Pb |
≤1mg/kg |
Chloride(as Cl ,GT-8-2) |
≤0.1% |
As |
≤1.5mg/kg |
PH |
6.7-7.2 |
Loss on dry |
≤0.5% |
Loss on dry (100℃,5h) |
≤0.5% |
specific rotatory power[α]20546.1nm |
+29.7°~+30.2° |
As (as As ,GT-3) |
≤0.5mg/kg |
[α]20D |
+24.8°~+25.3° |
Pb(GT-18-3) |
≤1mg/kg |
Chloride |
≤0.2% |
Fe(as Fe ,GT-17) |
≤5mg/kg |
10%water has normal chroma |
Sulfite(as SO4,GT-30) |
≤0.05% |
Uses:flavor, dosage0.2%-0.5%, .
Packing:It is packed with polytene bag as liner and cornpound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
Storage and transport: Kept in tightly-closed containers, it should be stored in a dry and ventilative warehouse, kept away from moisture and hot, furthermore, it should be stored separately from poisonous substances. Handled with care, so as to avoid damage to bags.
|