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| Description | |||
| Cream or white-coloured powder. | |||
| Uses | |||
| Sodium Sulphite Anhydrous is used in the household chemistry industry, thermal-electric power industry, paper industry in bleaching process, in water treatment as an oxygen scavenger, and in the textile industry as an antichlor. | |||
| Physico-chemical properties | |||
| Chemical formula Na2SO3 | |||
| Mol Wt. | 126.05 g/mol | ||
| Bulk density | 1,00 - 1,39 g/cm3 | ||
| Density | 2,633 g/cm3 in temp. 15 o C | ||
| Water solubility: 26.9 g. in 100 g. of water at 20 o C. Readily soluble in glycerine, sparingly soluble in ethyl alcohol. After heating Sodium Sulphite decomposes. Reacts with acids with liberation of sulphur dioxide. | |||
| Technical Specification | |||
| Assay Na2SO3 | min. 96 % | ||
| Iron ( as Fe ) | max. 0,02 % | ||
| Water insoluble-matters | max. 0,1 % | ||
| Chlorides ( as Cl ) | max. 0,5 % | ||
| Arsenic As | max. 0.0001 % | ||
| Heavy metals ( as Pb ) | max. 0.002 % | ||
| Analysis made by ZN-“POLCHEM” Sp. z o.o.-002:2002 | |||
| Packages | |||
| Double bags PE/PP holding 25 kg. | |||
| Transport information | |||
| Sodium Sulphite Anhydrous should be transported in packages in covered railway wagons or lorries, although it is not mentioned in RID. | |||
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HEALTH AND SAFETY INFORMATION |
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| Warning | |||
| Persons suffering from asthma or other respiratory problems should avoid any contact with or exposure to Sodium Sulphite Anhydrous. | |||
| Handling Precautions | |||
| Wear goggles and dust mask when handling bulk quantities. Do not store near acids or oxidizing agents. Keep dry and in sealed containers. | |||
| Hazards | |||
| Reacts with acids with liberation of sulphur dioxide, a choking, toxic gas . Nitric acid may react violently. Sodium Sulphite Anhydrous is non-flammable but will decompose in a fire with liberation of sulphur dioxide. Suitable fire extinguishers: water. | |||
| First Aid | |||
| Eyes: Wash out with water for at least 15 minutes. | |||
| Mouth: Wash out with water , if the chemical has been swallowed give water, milk of magnesia or milk to drink. | |||
| Skin: Wash off with planty of water. | |||
| Inhalation: Remove the person out of the danger area to fresh air. Obtain medical attention. | |||
| Spillage | |||
| Sweep up spilled substance into plastic bag. Rinse up with water. | |||
| Warranty period is one year from analysis (testing) date. | |||
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