CAS No.: | 7757-82-6 |
---|---|
Other Names: | Sodium Sulphate |
MF: | Na2SO4 |
EINECS No.: | 231-820-9 |
Place of Origin: | China (Mainland) |
Grade Standard: | Agriculture Grade,Electron Grade,Food Grade,Industrial Grade,Medicine Grade,Reagent Grade |
Purity: | 99%min |
Appearance: | white powder |
Application: | Making detergent,dyeing |
Brand Name: | vidar |
Model Number: | sodium sulphate |
solubility in water: | soluble |
Crystal structure: | hexagonal (anhydrous) |
Odor: | Odorless |
Molecular Weight: | 126.04 |
Density: | 2.633 g/cm3 (anhydrous) |
Melting point: | 500(anhydrous) |
Quick Details
Specifications
Specifications
1. High quality with competitive price;
2. Timely delivery with perfect packing;
3. Adhere to the equality and manual benefit.
ITEM |
STANDARD |
||
sodium sulphate %(Na2SO4) |
99.5 MIN. |
99.0 MIN. |
99.0 MIN. |
water insolubles % |
0.01 MAX. |
0.05 MAX. |
0.05 MAX. |
Ca + Mg (as Mg) % |
0.03 MAX. |
0.15 MAX. |
0.15 MAX. |
chlorides %(Cl) |
0.07 MAX. |
0.35 MAX. |
0.35 MAX. |
iron %(Fe) |
0.002 MAX. |
0.002 MAX. |
0.002 MAX. |
moisture % |
0.20 MAX. |
0.20 MAX. |
0.20 MAX. |
whiteness % |
85 MIN. |
82 MIN. |
82 MIN. |
PH-value |
6-7.5 |
6-8 |
9-11 |
Partickle size: Passed through on 100 mesh |
around 60-65% |
around 60-65% |
not required |
Packing:
50KGs PP bag/1000KGs PP bag.
Stored in a cool, ventilated warehouse. Away from fire and heat. Acids, etc. Should be kept separately, avoid mixed reserve.
Storage:
Usage:
1. For the preparation of a trace analysis of tellurium and determination of niobium and developering, also used as a reducing agent
2. For synthetic fiber fabric bleaching agent, stabilizer, photographic developer, dye bleaching deoxidizer, perfume and dye reduction agent, ligninremoval agent
3. Used as ordinary analytical reagent and photosensitive resistance materials
4. Reductive bleaching agent, the food has strong inhibitory effects on plant food bleaching effect and the oxidase.
5. For a variety of cotton fabric scouring of cotton fiber, can prevent local oxidation and influence of fiber strength, and improve the whiteness of boiling.
6. In food industry, it used as a bleaching agent, preservative, osteoporosis agent, antioxidant
7. It used in the production of sulfite cellulose ester, sodium thiosulfate, organic chemicals, such as bleaching fabrics