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网站主页化工产品目录无机化工无机盐金属硫化物及硫酸盐亚硫酸氢钠偏亚硫酸氢盐

偏亚硫酸氢盐

sodium metabisulphite

山西更新日期：2011-08-30

山西辽化有限公司

非会员

联系人：李阳

电话：86-0351-8371587拨打

邮箱：lhk3817@yahoo.cn

产品详情:

中文名称：: 偏亚硫酸氢盐

英文名称：: sodium metabisulphite

CAS号：: 15181-11-1

·molecular formula : Na2.SO3
·M.W :126.04
·Basic Characteristics : Colorless, single-crystal or powder ramps, soluble in water, do not dissolve in alcohol, etc.
·Quality Standards :
A :Sodium sulfite (single-crystal )

▼

▲

High-class products

First-class products

Conforming products

Purity（Na2.SO3 )，%，≥

99.0

98.5

98.0

Water，%，≤

1.4

2.0

2.5

Purity (Nacl ) ,%, ≤

0.10

0.17

Water insoluble,%, ≤

0.05

0.06

0.10

Purity (sodium nitrate ),%, ≤

0.80

1.00

1.90

?B:sodium sulfite (powder )

▼

▲

Name of indicators

indicators

High-class products

First-class products

Conforming products

Na2.SO3, %,≥

97.0

96.0

93.0

Fe ,%, ≤

0.003

0.005

0.01

Water insoluble,%, ≤

0.02

0.03

0.05

Na2CO3, %, ≤

0.10

0.40

0.60

Na2SO4, %,≤

2.5

NaCl, %,≤

0.10

·uses: For sulfite-cellulose acetate, sodium thiosulfate, organic medicines, such as bleach fabric, but also used as a
reducing agent, preservatives, etc. to chlorine.
·Storage: Dry and hermetic
·Packing: Net weight 25Kgs or 50kgs with plastic woven bag ; Or 1000kgs big bags.

sodium metabisulphite