Sodium sulfite anhydrous
| Post Date: |
Aug 23,2014 |
| Expiry Date: |
Feb 19,2015 |
| Detailed Description: |
Cas No. :7577-83-7
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Product Name:
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Sodium sulfite anhydrous
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CAS NO:
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7577-83-7
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Molecular Formula:
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Na2SO3
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Specifications
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Item
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Grade
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Best quality
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First quality
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Qualifier
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Sodium sulfite (Na2SO3) Assay, %
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≥ 97.0
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≥ 96.0
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≥ 93.0
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Fe, %
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≤ 0.003
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≤ 0.005
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≤ 0.02
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Insol. in water, %
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≤ 0.02
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≤ 0.03
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≤ 0.05
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Free alkali (Na2SO3) Assay, %
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≤ 0.10
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≤ 0.40
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≤ 0.80
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Sulphate (Na2SO4) Assay, %
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≤ 2.5
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—
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—
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Chlorides (NaCl) Assay, %
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≤ 0.10
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—
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Packing:
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25kg plastic woven bag, 50kg/500kg/1000kg flexible freight bag, or upon clients' demand.
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Specifications:
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white crystal or powder; pH of aqueous solution: 9-9.5, At 33.4oC,it solubility is 28%. Density: 2.633(15.4oC), refracitive index: 1.565; Molecular weight126.04.
H.S code: 283210
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Use:
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Used as deoxidant and bleaching agent for printing & dyeing industry; also used for paper making, electronic and water treatment industries.
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| CAS Registry Number: |
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| Synonyms: |
;Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;Sodium Sulfite (Food Grade); |
| Molecular Formula: |
Na2SO3 |
| Molecular Weight: |
126.04 |
| Molecular Structure: |
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| Hazard Symbols: |
 Xn:Harmful;
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| Risk Codes: |
R22:;
R36/37/38:;
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| Safety Description: |
S24/25:;
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| Company: |
Shandong Hailan Chemical Industry Co.,Ltd.
[ China ]
|
| Contact: |
Mr Li |
| Tel: |
+86-536-5337337 5364999 |
| Fax: |
+86-536-5337000 |
| Email: |
sales@sdhailanchem.com |
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