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Potassium disulfite ( 二亚硫酸钾 )

产品名称: Potassium disulfite ( 二亚硫酸钾 )
产品型号: 1050570500,1050571000,1050572500
产品展商: MERCK
产品文档: 无相关文档

简单介绍

Potassium disulfite ( 二亚硫酸钾 )为创赛集团品质提供Merck系列产品，可查询Potassium disulfite ( 二亚硫酸钾 ) 价格，同系列Potassium disulfite ( 二亚硫酸钾 )国内现货，可提供定合成服务。提供型号，性能指标等技术资料。提供Potassium disulfite ( 二亚硫酸钾 )MSDS/COA/SPEC等技术资料。欢迎来电洽


Potassium disulfite ( 二亚硫酸钾 )  的详细介绍
产品名称：Potassium disulfite ( 二亚硫酸钾 )
产品货号：1050570500,1050571000,1050572500
产品包装：Plastic bottle
产品规格： 500 g/1 kg/2.5 kg


产品信息
Synonyms Potassium metabisulfite, Potassium pyrosulfite
Hill Formula K2O5S2
Chemical formula K2S2O5
HS Code 2832 20 00
EC number 240-795-3
Molar mass 222.33 g/mol
CAS number 16731-55-8
化学及物理数据
Solubility 450 g/l (20 °C)
Melting point 150 °C (decomposition)
Molar mass 222.33 g/mol
Density 2.34 g/cm3
Bulk density 1000 - 1300 kg/m3
pH value 3.0 - 4.5 (50 g/l, H2O, 20 °C)
GHS**信息
Hazard Statement(s) H318: Causes serious eye damage.
H335: May cause respiratory irritation.
EUH031: Contact with acids liberates toxic gas.

Precautionary Statement(s) P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P313: Get medical advice/ attention.

Signal Word Danger
Hazard Pictogram(s)

Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 6
Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.
**标示
R Phrase R 31-37-41
Contact with acids liberates toxic gas.Irritating to respiratory system.Risk of serious damage to eyes.
S Phrase S 26-39
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.
Categories of danger irritant
Hazard Symbol Irritant
毒物学数据
LD 50 oral LD50 rat 2300 mg/kg
分类
Assay (iodometric) ≥ 96 %
In water insoluble matter ≤ 0.005 %
Chloride (Cl) ≤ 0.005 %
As (Arsenic) ≤ 0.0001 %
Cu (Copper) ≤ 0.001 %
Fe (Iron) ≤ 0.0005 %
Pb (Lead) ≤ 0.001 %
Zn (Zinc) ≤ 0.001 %

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