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| Product Name: |
Sodium sulfite
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| Supply Ability: |
60000TM/YEAR |
| Related proudcts |
sodium sulphate, sodium sulfate, natrium sulfurosum, |
| Specifications |
industry grade97/70--90 |
| Price Term: |
CIF |
| Port of loading: |
Qingdao or Tianjin |
| Minimum Order |
a container |
| Unit Price: |
best price |
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Product Description
Sodium sulfite
Sodium sulfite anhydrous
Molecular formula: Na2SO3
CAS: 7757-83-7
Appearance:
Colorless crystal or powder
Properties:
Clarify degrees test colorless, single inclined crystals or powder. For the eyes, skin and mucous membrane is irritant, can pollute the water. By the high produce poisonous sulfide decomposition smoke.
Use:
Industrial mainly used in making sulfite cellulose esters, glucosinolate and sodium, organic chemicals, bleached fabrics etc, also used as reductant, preservative, to chlorine agent.
We supply reagent grade food grade industrial grade. If you are interested in our products please contact me.
Test item Specification
Reagent grade Pharmaceutical grade
Appearance Conform Conform
Assay /% ¡Ý 97.0 ¡Ý 95.0
Clarify degrees test Conform Conform
Water insoluble /% ¡Ü 0.005 ¡Ü 0.01
Acidic sulphite (NaHSO3) Conform Conform
Free alkali (Na2CO3)/% ¡Ü 0.1 ¡Ü 0.3
Chloride (Cl)/% ¡Ü 0.005 ¡Ü 0.02
Glucosinolate and sulphate (S2O3)/% ¡Ü 0.01 ¡Ü 0.02
Arsenic (As) /% ¡Ü 0.0001 ¡Ü 0.0005
Ferric (Fe)/% ¡Ü 0.0005 ¡Ü 0.002
Heavy metal (Pb)/% ¡Ü 0.001 ¡Ü 0.002
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| Company: |
Qingdao Qingya Chemicals Co., Ltd
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| Contact: |
Mr. michael ao |
| Address: |
No 21, Quanzhou Road, Qingdao, Shandong, China |
| Postcode: |
266000 |
| Tel: |
86-532-85763876 |
| Fax: |
86-532-85785262 |
| E-mail: |
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