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Sodium Sulphide Flakes

Name: Sodium Sulphide Flakes
Brand: MOHINI AUXI CHEM PVT. LTD.
Price: 100 -
Availability: InStock

Price 100 - 3000 INR/ Kilograms

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MOQ : 1000 Kilograms

Sodium Sulphide Flakes Specification

Taste
Alkaline, caustic (not for direct tasting due to toxicity)

HS Code
28301020

Density
1.86 Gram per cubic centimeter(g/cm3)

Purity
60% Min

Molecular Weight
78.04 g/mol

Smell
Rotten egg odor (due to hydrogen sulfide)

Shelf Life
12 months in original, sealed packaging.

Ingredients
Sodium Sulphide (Na2S), possible traces of sodium carbonate and sodium chloride.

Poisonous
YES

Product Type
Inorganic Chemical

Storage
Store in a cool, dry, well-ventilated area away from moisture and incompatible substances.

Shape
Flakes

Physical Form
Flakes

Structural Formula
NaSNa

EINECS No
215-211-5

Ph Level
Alkaline (>12 in 1% solution)

Melting Point
Approx. 1180 C (decomposes)

Grade
Industrial Grade

CAS No
1313-82-2

Solubility
Highly soluble in water

Usage
Used as a reducing agent, dehairing agent in leather processing, and for removing heavy metals from wastewater.

Molecular Formula
Na2S

Application
Leather tanning, dye manufacturing, ore flotation, water treatment, pulp & paper industry, textile industry

Properties
Strong reducing agent, highly soluble in water, emits hydrogen sulfide gas upon contact with acids, reacts violently with oxidizing agents.

Appearance
Yellowish flakes, sometimes red-brown depending on impurities.

Main Impurities
Sodium carbonate, sodium chloride

Toxicity
Toxic if ingested, inhaled, or in contact with skin

Corrosivity
Corrosive to skin and eyes

Packing Type
Packed in 25 kg/50 kg plastic woven bags with inner polyethylene liner

UN Number
UN 1849

Decomposition
Releases toxic gases (hydrogen sulfide) when in contact with acids or moisture

Hazardous Class
Class 8 (Corrosive substances)

Color
Yellow to reddish yellow (depending on grade and impurities)

Stability
Stable under recommended storage conditions

pH (1% Solution)
>12

Solubility in Water
Readily soluble, exothermic reaction

Sodium Sulphide Flakes Trade Information

Minimum Order Quantity
1000 Kilograms

Supply Ability
100000 Kilograms Per Day

Delivery Time
5-7 Days

About Sodium Sulphide Flakes

Used: As making sulphur dyes or dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making. also widely in pigment and rubber industry, etc

Other Names	Sodium Sulfide
Appearance	Yellow Flakes
MF	Na2S
Grade Standard	Industrial Grade, Medicine Grade
Purity	52 % min
Appearance	Yellow flakes
Application	Leather, tannage, mining and others
Color	Yellow

Powerful Reducing Agent

Sodium sulphide flakes function as a potent reducing agent in various industrial processes, including leather dehairing, dye manufacturing, metal recovery, and wastewater treatment. Their high solubility in water makes them effective in complex chemical operations, especially where heavy metals need to be precipitated or organic dyes must be synthesized.

Safe Handling and Storage

Given its classification as a corrosive substance (Class 8) and toxicity, sodium sulphide requires strict precautionary measures. It should be stored in tightly sealed packaging, away from moisture and incompatible chemicals. Proper handling, including protective gear, is essential to prevent harm from skin or eye contact, inhalation, or accidental ingestion.

FAQs of Sodium Sulphide Flakes:

Q: How should sodium sulphide flakes be stored to ensure stability and safety?

A: Sodium sulphide flakes must be stored in tightly closed 25 kg or 50 kg plastic woven bags with an inner polyethylene liner, placed in a cool, dry, and well-ventilated area. This prevents exposure to moisture and acids, which can cause decomposition and release hazardous hydrogen sulphide gas. Avoid storing near oxidizing agents to maintain stability.

Q: What are the main industrial applications of sodium sulphide flakes?

A: Sodium sulphide flakes are widely used in industries such as leather tanning (for dehairing hides), dye manufacturing, ore flotation, water treatment (heavy metal removal), pulp & paper, and textiles. Their strong reducing properties and solubility in water allow efficient processing in each of these applications.

Q: When should special precautions be taken during handling of sodium sulphide flakes?

A: Special precautions are necessary whenever handling sodium sulphide flakes, especially during opening, weighing, or transfer processes. Always wear protective gloves, goggles, and appropriate respiratory protection to safeguard against toxic fumes, corrosiveness, and direct skin or eye contact. Immediate action is required if the flakes come into contact with acids or moisture.

Q: Where does the distinctive rotten egg odor of sodium sulphide flakes originate?

A: The characteristic rotten egg smell is due to the release of hydrogen sulphide gas, which occurs if sodium sulphide comes into contact with moisture or acids. This gas is highly toxic and underscores the importance of keeping the product dry and properly sealed.

Q: What makes sodium sulphide flakes beneficial in water treatment?

A: Sodium sulphide flakes act as a strong reducing agent in water treatment, effectively precipitating heavy metals and neutralizing toxic pollutants. This functionality contributes to safer disposal practices and environmental protection by facilitating removal of hazardous substances from industrial wastewater.

Q: How does sodium sulphide react with water, and what are the safety implications?

A: Sodium sulphide is highly soluble in water, and this dissolution is exothermic. If contaminated with moisture, it can rapidly release heat and hydrogen sulphide gas, which is toxic. Its crucial to handle the flakes with care and store them in dry conditions to prevent hazardous reactions.

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