D-Isoascorbic acid CAS:89-65-6 CAS NO.89-65-6
- FOB Price: USD: 1.00-1.00 /Metric Ton Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T
- Available Specifications:
99%(1-5)Metric Ton99%(5-20)Metric Ton
- Product Details
Keywords
- D-Isoascorbic acid
- Erythorbic Acid
- CAS:89-65-6
Quick Details
- ProName: D-Isoascorbic acid CAS:89-65-6
- CasNo: 89-65-6
- Molecular Formula: C7H10O6
- Appearance: white powder
- Application: Acidity Regulators, Antioxidants, Chew...
- DeliveryTime: Within 2 weeks after order confirmatio...
- PackAge: 25kgs/drum
- Port: Qingdao port
- ProductionCapacity: 2000 Metric Ton/Year
- Purity: 99%
- Storage: Store in cool and dry place, away from...
- Transportation: By sea or by air
- LimitNum: 1 Kilogram
- CAS: 89-65-6
Superiority
Name: D-Isoascorbic acid
Synonyms: Erythorbic Acid
CAS:89-65-6
MF: C7H10O6
Details
ITEM | STANDARD |
Appearance | White or almost white crystal or crystalline powder |
Identification | Positive |
Melting point | 191 °C ~ 192°C |
pH(5%,w/v) | 2.2~2.5 |
pH(2%,w/v) | 2.4~2.8 |
Specific optical rotation | +20.5°~+21.5° |
Clarity of solution | Clear |
Heavy metals | ≤0.0003% |
Assay(as C 6H 8O6,%) | 99.0~100.5 |
Copper | ≤3mg/kg |
Iron | ≤2mg/kg |
Mercury | ≤1mg/kg |
Arsenic | ≤2mg/kg |
Lead | ≤2mg/kg |
Oxalic acid | ≤0.2% |
Loss on drying | ≤0.1% |
Sulphated ash | ≤0.1% |
Residual solvents(as methanol) | ≤500mg/kg |
Total plate count (cfu/g) | ≤1000 |
Yeasts & molds (cfu/g) | ≤100 |
Escherichia. Coli/g | Absence |
Salmonella/25g | Absence |
Staphylococcus aureus/25g | Absence |