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大苏打


产品编码 : 2201001

化学名称 : 大苏打

别名 : 重质纯碱

CAS No. : 7772-98-7                  

分子量 : 158.11        

分子式 : Na2S2O3.5H2O        

EINECS : 231-867-5          

海关编码 : 28323000        



详情介绍

PRODUCT NAME: Sodium thiosulfate

ORIGIN: CHINA

H.S CODE: 28323000

Product Description

Product Parameters

Appearance: white granular powder

Molecular Formula: Na2O3S2

Molecular weight 158.11

EINECS:231-867-5

CAS:7772-98-7

 

Physical and Chemical data

Index

Standard

Melting point

48°C

Boiling point 

100°C

Density 

1.01 g/mL at 25 °C

Storage 

Store at +5°C to +30°C.

Solubility degree

Immiscible with alcohol.

Form

Solid

Proportion

1.667

Color

White

PH

6.0-8.5 (25℃, 50mg/mL in H2O)

Solubility of water 

Soluble in water. Insoluble in alcohol.

Sensitivity

Hygroscopic

Merck 

14,8694

Stability

Stable. Incompatible with strong acids, strong oxidizing agents, iodine, mercury.

Application 

Sodium thiosulfate, It is commonly known as baking soda, is an important inorganic chemical raw material. In the pesticide can be used for synthetic insecticide double, insecticide single, insecticide borer, etc.

Application 

It is used as a dechlorination agent after bleaching of pulp and cotton fabrics. It is used as a chelating agent and antioxidant in food industry and as a detergent and disinfectant in pharmaceutical industry

Application 

Used as analytical reagent, mordant and fixating agent

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