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Sodium disulfite ( 二亚硫酸钠 )

产品名称: Sodium disulfite ( 二亚硫酸钠 )
产品型号: 1065280100,1065280500,1065281000,1065285000,106528
产品展商: MERCK
产品文档: 无相关文档

简单介绍

Sodium disulfite ( 二亚硫酸钠 ) 为创赛集团品质提供Merck系列产品，可查询Sodium disulfite ( 二亚硫酸钠 ) 价格，同系列Sodium disulfite ( 二亚硫酸钠 )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Sodium disulfite ( 二亚硫酸钠 )MSDS/COA/SPEC等技术资料。欢迎来电洽谈选购，更多产品请登录


Sodium disulfite ( 二亚硫酸钠 )  的详细介绍
产品名称：Sodium disulfite ( 二亚硫酸钠 )
产品货号：1065280100,1065280500,1065281000,1065285000,1065289050
产品包装：Plastic bottle/Plastic bottle/Plastic bottle/Plastic bottle/Fibre carton
产品规格： 100 g/500 g/1 kg/5 kg/50 kg


产品信息
Grade ACS,Reag. Ph Eur
Synonyms Sodium metabisulfite, Sodium pyrosulfite, Disulfite, Pyrosulfite
Hill Formula Na2O5S2
HS Code 2832 10 00
EC number 231-673-0
Molar mass 190.11 g/mol
EC index number 016-063-00-2
CAS number 7681-57-4
化学及物理数据
Solubility 650 g/l (20 °C)
Melting point ca.150 °C (decomposition)
Molar mass 190.11 g/mol
Density 2.36 g/cm3 (20 °C)
Bulk density 1000 - 1200 kg/m3
pH value 4.0 - 4.8 (50 g/l, H2O, 20 °C)
GHS**信息
Hazard Statement(s) H302: Harmful if swallowed.
H318: Causes serious eye damage.
EUH031: Contact with acids liberates toxic gas.

Precautionary Statement(s) P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
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)

RTECS UX8225000
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 22-31-41
Harmful if swallowed.Contact with acids liberates toxic gas.Risk of serious damage to eyes.
S Phrase S 26-39-46
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.If swallowed, seek medical advice immediately and show this container or label.
Categories of danger harmful, irritant
Hazard Symbol Harmful
交通信息
Declaration (railroad and road) ADR, RID Kein Gefahrgut
Declaration (transport by sea) IMDG-Code No Dangerous Good
Declaration (transport by air) IATA-DGR No Dangerous Good
毒物学数据
LD 50 oral LD50 rat 1540 mg/kg
LD 50 dermal LD50 rat > 2000 mg/kg
分类
Assay (iodometric) 98.0 - 100.5 %
Identity passes test
Appearance of solution passes test
pH-value (5 %; water) 3.5 - 5.0
Insoluble matter ≤ 0.005 %
Chloride (Cl) ≤ 0.005 %
Thiosulfate (S2O3) ≤ 0.05 %
Thiosulphate (S2O3) passes test
Heavy metals (as Pb) ≤ 0.001 %
As (Arsenic) ≤ 0.0001 %
Fe (Iron) ≤ 0.0005 %

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