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459789-99-2 CAS NO.459789-99-2
- Min.Order: 100 Metric Ton
- Payment Terms: L/C,T/T,Other
- Product Details
Keywords
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Quick Details
- ProName: 459789-99-2
- CasNo: 459789-99-2
- Molecular Formula: C26H44O4
- Appearance: white powder/crystal
- Application: Used for research and industrial manuf...
- DeliveryTime: Within7-10 days after receipt of your ...
- PackAge: As customer request
- Port: Qingdao,china
- ProductionCapacity: 100kg/Month Metric Ton/Day
- Purity: 98%min
- Storage: Store in a cool,dry place and keep awa...
- Transportation: Common products:Sea/Air/Courier Dange...
- LimitNum: 100 Metric Ton
Superiority
Product name: sodium metabisulfite / sodium metabisulphite
Molecular weight: 190.10
Specification: 25Kg woven bag
Quality guarantee period: 6 months
Details
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Quality Report |
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Testing Items |
Specification |
Results |
|
Appearance |
White off white powder |
White powder |
|
Solubility |
Dissolved in methanol,acetone and ethyl acetate;solubility in water is pH dependent,slightly soluble at low pH and soluble at high pH. |
Dissolved in methanol,acetone and ethyl acetate;slightly soluble at pH 2.0 and soluble at pH 10.0 |
|
Melting Range |
104℃~108℃ |
105℃~107℃ |
|
Identification |
1. Consistent with infrared spectra obey standard cholic acid. 2. The content determination method in retention time and obey cholic acid standard agreement. |
Complies |
|
Related substances |
CDCA≦1.0% αβ,βα,ββisomer≦0.15% MAX impurity≦0.10% Total impurities≦1.5% |
CDCA:0.12% Αβ:0.06%,βα:0.13%,ββ:none MAXimpurity:0.07% Total impurities:0.4% |
|
Acidity |
pH4.5~6.0 |
pH5.2 |
|
Loss on drying |
≦2.0 |
0.6% |
|
Residue on ignition |
≦0.1% |
0.02% |
|
Heavy Metals |
≦20ppm |
Complies |
|
Assay(HPLC) |
≧98.0% |
99% |
|
Conclusion |
Complies |
|
