
Sodium Hydrosulfite
A white, free flowing, crystalline powder. Low dusting, readily soluble in water, with strong reducing action in aqueous solutions.
- Grades
- Concentrate, Standard
- Assay
- 88 / 85 % w/w min
- Packing
- 50 kg, 100 kg steel drums
Gulshan Chemicals Private Limited
A leading producer of sodium hydrosulfite and sodium sulfite for the textile, pulp and paper, pharmaceutical, kaolin clay, water treatment, dyestuff and oil field industries.
The company
In 1988, when the first drum of Gulshan Hydros was rolled out, the company became one of the few in the world to produce sodium hydrosulfite using the highly advanced sodium formate route. Over more than three decades of operation, Gulshan has established trust, reliability and sustainability.

Products

A white, free flowing, crystalline powder. Low dusting, readily soluble in water, with strong reducing action in aqueous solutions.

A white to slightly off-white, free flowing, crystalline and odorless powder. Soluble in water and sparingly soluble in alcohol.
Applications
| Industry | What the product does | Product |
|---|---|---|
| Textiles | Reducing agent for vat-dyeing cotton fibers and blends, for stripping colorants from textile fibers and for cleaning dyeing equipment. | Na2S2O4 |
| Pulp and paper | Bleaching mechanical and thermo-mechanical pulp and deinking recycled paper. Production of chemical-thermo-mechanical pulp and the Kraft pulping process. | Na2S2O4Na2SO3 |
| Water treatment | Oxygen scavenger in boiler water, antichlor for municipal and industrial wastewater, effluent treatment and desalination plants. Reduction of hexavalent chromium in effluent. | Na2SO3Na2S2O4 |
| Pharmaceuticals and dyestuffs | Reducing or bleaching agent in the production of dyestuffs and pharmaceuticals. | Na2S2O4Na2SO3 |
| Kaolin clay | Bleaching agent for clay. | Na2S2O4 |
| Oil field | Oxygen scavenger in oil drilling water. | Na2SO3 |
Commitment
We work towards the development, empowerment and welfare of the weaker sections of society, through healthcare, education and financial assistance.
Our CSR work
Our production facility is operated in a manner that protects the health of employees, communities and the environment.
How we operateTell us the product, grade and quantity you need. Our sales desk in New Delhi will reply.