Potassium Metabisulfite with CAS 16731-55-8
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Model No.: SY-16731-55-8
Potassium pyrosulfite is a chemical with the molecular formula K2S2O5. Potassium pyrosulfite is slowly oxidized into potassium sulfate in the air and is oxidized more quickly in the wet air. Exposure to acids releases highly irritating sulfur dioxide gases. It's strongly reductive. Decompose when heated to 190 ℃, ground into a powder heat burns. Potassium pyrosulfite is decomposed by acid to form sulfur dioxide. Easily soluble in water, slightly soluble in ethanol, insoluble in ether. Potassium pyrosulfite is stable in dry air and can release sulfur dioxide easily in humid air. Water solution can be oxidized by air to potassium sulfate.
Density 2.34 g/cm3
storage temp. Store at +5°C to +30°C.
solubility H2O: 0.1 M at 20 °C, clear, colorless
color White to slightly yellow
PH2.5-4.5 (25℃, 0.1M in H2O)
Water Solubility Soluble in water. Insoluble in ethanol.
1. Potassium pyrosulfite is used as food bleach, preservative and antioxidant.
2. Used as analytical reagent. It is also used as developer, reducing agent and bacterial inhibitor.
3. Potassium pyrosulfite is used as an additive in thiosulphate silver plating, and its sodium salt is also used in the treatment of chromium-containing wastewater.
Closed operation to provide adequate local ventilation. Operators must be specially trained and strictly follow the operating procedures. It is recommended that the operator wear a hood-type electric air filter respirator, wear a rubber cloth antitoxic clothing, and wear rubber gloves. Keep away from fire and heat, no smoking in the workplace. Use explosion-proof ventilation systems and equipment. Avoid producing dust. Avoid contact with oxidants and acids. Light loading and light unloading should be carried to prevent damage to the packaging and container. Equipped with the corresponding varieties and quantities of fire equipment and leakage emergency treatment equipment. Empty containers can leave harmful residue.
Emergency management editor
Ingestion: giving milk or water (if conscious). Vomiting. Go to a doctor.
Eyes: rinse with running water (15 minutes). Go to a doctor.
Skin: take off the contaminated clothes. Rinse with water and soap.
Inhalation: transfer to fresh air. Rest and keep warm.
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Shenyu Energy (Shandong) Development Co. Ltd
Shenyu Energy(Shandong) Development Co., Ltd is Located in the beautiful spring city, Ji'nan Shandong, is a new enterprise integrating production, sales and service.Our products mainly include organic chemicals, inorganic chemicals, food additives, pharmaceutical intermediates, daily chemicals and other chemical raw materials. The company was first established in 2006, and has 12 years experience in domestic trade, and has established stable cooperative relations with many well-known factories in China. In 2013 , we opened up overseas markets and formally established the foreign trade department. The total annual sales amount reached 50 million dollars, international market accounts for 30 million. There are more than 200 employees, 10 technicians, 20 salesmen, more than 100 after sales and other staff. We have professional technical and sales who can solve the doubt for you. the company has served hundreds of enterprises in large and small scale use the core concept of "the customer first, the good faith is supre" . Because of the reliable quality, reasonable price and good quality, we have got a good reputation in the chemical industry. The company will be in accordance with the national "The Belt and Road" policy, committed to be chemical industry leader, contribute to the development of the world economy. Make [shenyu"as a world brand. We will continue to provide you with top-class products and services, look forward to cooperating with you.
- Company Name: Shenyu Energy (Shandong) Development Co. Ltd
- Representative: Mingliang Duan
- Product/Service: Ethanol , Isopropyl Alcohol , Dibutyl Phthalate , Dioctyl Phthalate , N N-Dimethylacetamide , N N-Dimethylformamide
- Capital (Million US $): US$1 Million
- Year Established: 2013
- Total Annual Sales Volume (Million US $): US$10 Million - US$50 Million
- Export Percentage: 51% - 60%
- Total Annual Purchase Volume (Million US $): US$5 Million - US$10 Million
- No. of Production Lines: 5
- No. of R&D Staff: 11 -20 People
- No. of QC Staff: 5 -10 People
- OEM Services Provided: yes
- Factory Size (Sq.meters): 10,000-30,000 square meters
- Factory Location: No. 96 Industrial South Road, Lishi District, Jinan, Shandong，China
- Contact Person: Mr. Duan
- Tel: 0086-0531-88940086
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