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SODIUM HYDROSULPHITE

Name: SODIUM HYDROSULPHITE
Brand: AFFORD CHEMICAL AND PHARMA INDUSTRIES
Price: 115 INR
Availability: InStock

Price 115 INR/ Kilograms

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MOQ : 100 Kilograms

SODIUM HYDROSULPHITE Specification

Ph Level
9 - 11 (1% solution)

Product Type
Chemical Compound

Density
2.19 Gram per cubic centimeter(g/cm3)

Storage
Store in cool, dry place away from moisture, heat and direct sunlight, keep container tightly closed.

Structural Formula
S(SO2Na)2

Smell
Slight sulfur-like odor

Application
Mainly used as a reducing agent in various industries such as textile, paper, leather, and as a bleaching, stripping, and desulfurizing agent.

Usage
Used for vat dyeing, removing colors, bleaching textiles and paper pulp, sulfonating agents, water treatment, and chemical synthesis.

Molecular Weight
174.11 g/mol

Molecular Formula
Na2S2O4

EINECS No
231-890-0

Melting Point
Not defined (decomposes below melting)

Solubility
Soluble in water, insoluble in alcohol

Shape
Crystalline Powder

Appearance
White to grayish crystalline powder

Properties
Strong reducing agent, easily soluble in water, decomposes in hot water and in acidic or alkaline solutions, releases sulfur dioxide upon decomposition.

Poisonous
Yes, toxic if ingested or inhaled

Physical Form
Powder

Shelf Life
12 months under recommended storage conditions

CAS No
7775-14-6

Grade
Industrial Grade

Ingredients
Sodium Hydrosulphite (Na2S2O4)

Purity
85% - 90%

HS Code
28311020

Stability
Stable under recommended storage condition, but decomposes in presence of moisture and heat

Packaging
Packed in HDPE bags with inner liner, 25 kg net each

pH (1% solution)
9.0 - 11.0

First Aid Measures
In case of contact, rinse immediately with plenty of water, seek medical advice if necessary.

UN Number
UN 1384

Compatibility
Incompatible with acids, oxidizing agents, and moisture

Dangerous Goods Class
4.2 (Substances liable to spontaneous combustion)

Particle Size
Fine powder

Decomposition Temperature
Above 52°C (decomposes before melting)

Ecological Information
Hazardous to aquatic environments, avoid release to surroundings.

Odour Threshold
Not determined

Handling Precautions
Wear suitable protective clothing, gloves, and eye/face protection

Exposure Limits
TLV not established, avoid exposure

Packing Group
II

SODIUM HYDROSULPHITE Trade Information

Minimum Order Quantity
100 Kilograms

Delivery Time
2 Days

Packaging Details
100 SS DRUM

Main Domestic Market
All India

About SODIUM HYDROSULPHITE

Chemical Formula: Na2S2O4, Powder Sodium dithionite Description Sodium dithionite is a white crystalline powder with a weak sulfurous odor. Although it is stable in dry air, it decomposes in hot water and in acid solutions. Formula: NaS204 Molar mass: 174.107 g/mol Density: 2.38 g/cm. Boiling point: Decomposes Solubility: slightly soluble in alcohol Melting point: 52 C (126 F, 325 K) Appearance: white to grayish crystalline powder, light lemon colored flakes Uses SRI. Oxygen scavenger for synthetic rubbers; vat dyeing of fibers and textiles; stripping agent for dyes; reagent; bleaching of sugar, soap, oils, and groundwood.

Product details

Chemical Formula	Na2S2O4
Color	White
Melting Point	52 Degree Celcius
Molar Mass	174.107 g/mol
Grade Standard	Industrial Grade
Purity	99 %
Form	Powder

Versatile Applications Across Industries

Sodium Hydrosulphite serves a central role in textile, paper, and leather processing, functioning primarily as a potent reducing and bleaching agent. Its strong reduction capability makes it ideal for vat dyeing, color removal, and desulfurizing operations. Thanks to its solubility and fast reactivity, it streamlines chemical processes in manufacturing, water treatment, and even chemical synthesis, offering broad utility in industrial settings.

Safety, Storage, and Handling Considerations

Given its sensitivity to heat, moisture, and oxidizing agents, Sodium Hydrosulphite requires cool, dry, and well-ventilated storage away from incompatible substances. Direct contact should be avoided by wearing appropriate protective gear. It is toxic if swallowed or inhaled and hazardous to aquatic environments, so meticulous handling and environmental precautions are necessary to ensure worker and environmental safety.

FAQ's of SODIUM HYDROSULPHITE:

Q: How should Sodium Hydrosulphite be safely stored and handled?

A: Sodium Hydrosulphite must be stored in a cool, dry place away from heat, direct sunlight, moisture, acids, and oxidizing agents. Use the original HDPE packaging with the inner liner sealed. Always wear protective clothing, gloves, and eye or face protection when handling, and keep containers tightly closed to ensure product stability and safety.

Q: What are the primary industrial applications of Sodium Hydrosulphite?

A: This compound is commonly used for vat dyeing, color removal, bleaching textiles and paper pulp, water treatment, and chemical synthesis. Its strong reducing ability makes it especially valuable in textile, paper, and leather industries as a bleaching, stripping, and desulfurizing agent.

Q: When does Sodium Hydrosulphite decompose and what are the risks?

A: Sodium Hydrosulphite decomposes above 52C and in the presence of moisture, releasing sulfur dioxide, which can be hazardous. Decomposition can also occur in acidic or alkaline solutions, so it is crucial to monitor environmental conditions during storage and use.

Q: Where should Sodium Hydrosulphite not be used or stored?

A: Avoid using or storing Sodium Hydrosulphite near sources of moisture, heat, acids, and oxidizing agents. It is incompatible with these substances and can spontaneously combust or decompose, presenting serious safety risks.

Q: What first aid measures should be taken if exposure occurs?

A: In case of contact with the skin or eyes, immediately rinse with plenty of water and seek medical attention if irritation persists. If ingested or inhaled, move the person to fresh air and consult a healthcare professional promptly, as the substance is toxic.

Q: How does Sodium Hydrosulphite benefit industrial operations?

A: By providing strong and rapid reduction action, Sodium Hydrosulphite increases process efficiency in bleaching, dyeing, and desulfurizing applications. This leads to improved product quality and lower processing times in sectors such as textiles and pulp & paper.

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