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Home > Inorganic Chemicals > Inorganic Salt > Sodium Hydrosulfide Manufacturers > Sodium pyrosulfite, Disodium metabisulfite, Sodium metabisulphite

Sodium Hydrosulfide

CAS NO.： 16721-80-5

FOB Price： NEGOTIABLE Get Latest Price

Specification： Purity: Food grade: ≥97% (low heavy metals), Technical grade: ≥96%, Reagent grade: ≥99%

Documentation：

Lead Time： 14-30 days

Max Capacity： 20000MT/Year

Packing： Customed Package

Product Detail

Properties

Sodium metabisulfite 96% 97% 99% Na₂S₂O₅ 7681-57-4

Model NO.	Sodium metabisulfite
CAS No.	7681-57-4
Formula	Na₂S₂O₅
Payment	L/C, T/T, D/P, D/A, etc.
Production capacity	20000 t/y
Customization	Available
Certification	CE, RoHS, ISO, SGS, Halal
HS Code	2832.10
Synonym	Sodium pyrosulfite, Disodium metabisulfite, Sodium metabisulphite
Forms Available	White crystalline powder, Granules
Density	1.48 g/cm³
Purity	Food grade: ≥97% (low heavy metals), Technical grade: ≥96%, Reagent grade: ≥99%
Molecular Weight	190.11 g/mol
Appearance	White/yellowish powder, Pungent sulfur odor
Grades	Food grade (E223), Industrial grade, Photographic grade, Pharmaceutical grade

Properties

Sodium hydrosulfide is used in the dye industry to synthesize organic intermediates and auxiliaries for the preparation of sulfide dyes, in the leather industry to unhairing and tanning of raw leather, in the chemical fertilizer industry to remove the monomer sulfur in the activated carbon desulfurizer, in the mining industry to beneficiate copper ore, in the production of man-made fibers to dye sulfite, etc. it is the raw material for manufacturing semi-finished products of ammonium sulfide and pesticide ethiol, It is also used in wastewater treatment.

CAS No.

16721-80-5

Formula

HNaS

Molecular Mass

56.06270

Exact Mass

55.96970

PSA

38.80000

Logp

0.38050

IUPAC

sodium;sulfanide

Matter Classification

organic

Category

Melting Point

55 °C

Density

1.79 g/cm3

Flash Point

90 °C

Appearance

Light yellow and crystal

Acidity and Basicity

alkalinity

HS Code

28301090

UN No.

UN 2318

DG-Class

4.2

Risk Code

R31-34

Safety Label

C,F

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