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7681-57-4 Sodium metabisulfite

product Name Sodium metabisulfite
CAS No 7681-57-4
Synonyms Sodium pyrosulfite; disodium disulphite; Sodium metabisulphite; Sodium disulphite; Sodium pyrosulphite; SODIUM DISULFITE; disodium oxidosulfanesulfonate oxide; Sodium Metabi; Metabisulfite Sodium; Sodium Metabisulfite (Food Grade)
Molecular Formula Na2S2O5
Molecular Weight 190.1065
InChI InChI=1/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
EINECS 231-673-0
Molecular Structure 7681-57-4 Sodium metabisulfite
Melting point 150℃
Water solubility 540 g/L (20℃)
Hazard Symbols  Xn:Harmful;
Risk Codes R22:;
R31:;
R41:;
Safety Description S26:;
S39:;
S46:;

Featured China Suppliers

Shandong Kailong Chemical Technology Development Co., Ltd. [ Gold Suppliers ]
Specifications High Purity
Description

Item

index

Main content(Na2S2O5)

¡Ý98

Fe(As content Fe)

¡Ü0.001

Clarity

Clear

Water-Insoluble

¡Ü0.01
Contact Mr.Jia
Telephone +86-536-5317817,5302819
Email info@klong.cn
Address Ocean Chemical Hi-New Technology Development Zone, Weifang, Shandong, China
Tangshan Huizhong Chemical Industry Co.,Ltd. [ Gold Suppliers ]
Contact Mr. Sun
Telephone 0315-8515599
Email sun@huizhongchem.com
Address South Part of No. 5 Road, Nanpu Economic Technical Development Zone, Tangshan, Hebei Province, China
Shandong Yurun Chemical Co., Ltd. [ Gold Suppliers ]
Contact Ms.Rachel Yuan
Telephone +86-536-8164977
Email sales@yurunchemical.com
Address Yurun Building, Gaoxin District, Weifang City, Shandong, China
LIANYUNGANG CHEMIVIT INTERNATIONAL CO.,LTD [ Gold Suppliers ]
Contact Ge Hui
Telephone +86-518-85480662
Email gehui@chemivit.cn
Address RM 1703 XIANGYUAN INTERNATIONAL PALAZA NO.168 CHAOYANG ROAD,XINPU,LIANYUNGANG,JIANGSU,CHINA
Hunan Yueyang Sanxiang Chemical Co., Ltd. [ Gold Suppliers ]
Specifications 96.5%
Packing 25 kgs plastic woven bag
Description Usage 1, As the material of medicine 2, As curing agent of rubber 3, As dechlorinating agent and scouring agent of textile 4, It also can be used in the process of leather Moreover 5, As the material of fine chemicals, or used as developer 6, In food industry, as bleaching agent, loosening agent, antisepsis bactericide and antioxygen antistaling agent Packing External packing is Food grade PP woven bag, Internal packing is PE bag, the thickness ¡Ý0.05mm. There are "food additives Sodium metabisulfite" printed on the external packing, with the sign of "Avoid moisture and heat". The trademark is "Sanxiang"
Contact Xiao Qiao
Telephone 13762006068
Email zhy@sanxiangchem.com
Address Green Chemical Industry Park, Linxiang High tech Industrial Development Zone, Gannan Town, Linxiang City, Yueyang City, Hunan Province
Chemicals Suppliers(252):
1Shandong Kailong Chemical Technology Development Co., Ltd.
2Tangshan Huizhong Chemical Industry Co.,Ltd.
3Shandong Yurun Chemical Co., Ltd.
4LIANYUNGANG CHEMIVIT INTERNATIONAL CO.,LTD
5Hunan Yueyang Sanxiang Chemical Co., Ltd.
6Shandong Weigorge Import and Export Co., Ltd.
7Changsha Hecom Chemical Co., Ltd.
8Smart Chemicals Group Co. Ltd.
9Hubei Phoenix Chemical Company Ltd
10Zhongsu Supply Chain Management (Shandong) Co., Ltd.