亚洲人成网站色7799,亚洲日韩aⅴ在线视频,国产一区二区怡红院,永久免费AV无码网站BT

Service hotline: 0571-86692169

Sodium bisulfite solution

Product Name: Sodium Bisulfite
English name: Sodium Hydrogen Sulfite
Aliase: sodium bisulfite; acid sodium sulfite
Product Category: Chemical raw materials
CAS: 7631-90-5

Molecular formula: NaHSO3

Molecular weight: 104.06
Properties: white crystalline powder. It has the smell of sulfur dioxide and has an unpleasant taste. Part of the sulphur dioxide is lost in the exposed air and oxidized to sulfate. It is dissolved in 3.5 parts of cold water, 2 parts of boiling water, and about 70 parts of ethanol, and the aqueous solution is acidic.
Uses: 1. Used for bleaching cotton fabrics and organic materials; 2. Used as reducing agent in dyes, paper making, leather making, chemical synthesis, etc. 3. Used in the pharmaceutical industry for the production of intermediates of dipyridamole and aminopyrine ; 4. Food grade products used as bleach, preservatives, antioxidants; 5. For the treatment of chromium-containing wastewater, and used as an electroplating additive.
Storage: Store in a cool, ventilated warehouse. Keep away from fire and heat. Protect from direct sunlight. The package is sealed. It should be stored separately from oxidants, acids and alkalis, and should not be mixed. It should not be stored for a long time to avoid deterioration. The storage area should be provided with suitable materials to contain spills.

丰台区| 茌平县| 昭觉县| 湘乡市| 巩留县| 揭阳市| 兰州市| 宿松县| 涞水县| 图木舒克市|