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Sulphur Black

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Sulphur Black is a sulfur-based dye primarily used for dyeing cellulosic fibers such as cotton. It produces deep black shades with excellent fastness properties, including resistance to washing, light, and perspiration. Sulphur Black is widely utilized in the textile industry for producing durable, cost-effective black fabrics. The dyeing process involves reduction and oxidation steps to fix the color onto the fiber, making it ideal for bulk production.

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Description

Primary Uses
Textile Industry
Fiber Dyeing: Used extensively for dyeing cotton, rayon, and other cellulosic fibers to produce deep black colors.

Fabric Finishing: Suitable for denim, workwear, upholstery, and home textiles requiring durable black coloration.

Cost-effective Dyeing: Preferred for economical black dyeing with good color fastness.

 

Secondary Uses
Leather Industry
Leather Dyeing: Occasionally used for dyeing leather products to achieve black shades with moderate fastness.

Paper Industry
Paper Coloring: Used in limited applications to color paper and cardboard products.

Printing & Coatings
Pigment Source: Employed in specialty inks and coatings requiring black pigmentation.

 

 

PRODUCT KEY FEATURES

Basic Identification Attributes
Chemical Name (IUPAC): Polysulfide dye compounds (mixture)

Common/Trade Name: Sulphur Black

CAS Number: 1327-69-1 (typical reference for sulfur dyes)

HS Code: 3204.19.00

Synonyms: Sulfur Black, Sulfur dye black

 

Physical & Chemical Properties
Physical State: Fine powder or granules

Color & Odor: Black; slight sulfur odor

Solubility: Insoluble in water; soluble in alkaline reducing baths

Melting Point: Decomposes on heating

Density: Approx. 1.2 g/cm³

 

Safety & Hazard Attributes
GHS Classification: May cause skin and eye irritation; possible respiratory sensitizer

Toxicity: Low acute toxicity but can cause allergic reactions on prolonged exposure

Exposure Limits: Use dust control and personal protective equipment

 

Storage & Handling Attributes
Storage Conditions: Store in a cool, dry, well-ventilated area, away from oxidizing agents

Container Type: Bags or sealed containers

Shelf Life: 24 months under recommended conditions

Handling Precautions: Avoid dust generation; use gloves and masks

 

Regulatory & Compliance Attributes
Complies with relevant textile dye regulations

Manufactured under Good Manufacturing Practices (GMP)

Meets safety standards for handling and transport

 

Environmental & Health Impact
Biodegradability: Moderate; subject to wastewater treatment

Ecotoxicity: Potentially harmful to aquatic life; requires proper effluent treatment

Bioaccumulation: Not significant

SAFETY HANDLING PRECAUTIONS

PPE Required: Gloves, dust masks, and protective clothing recommended

Handling Guidelines: Use in well-ventilated areas; minimize dust exposure

Storage Measures: Keep containers tightly sealed and dry

 

First Aid Measures
Inhalation: Move to fresh air; seek medical attention if respiratory discomfort occurs

Skin Contact: Wash with soap and water; seek medical care if irritation develops

Eye Contact: Flush with water for 15 minutes; seek medical attention if irritation persists

Ingestion: Rinse mouth; consult a physician if needed

 

Firefighting Measures
Fire Hazards: Combustible powder; may release sulfur oxides when burned

Extinguishing Media: Use water spray, foam, or dry chemical extinguishers

Hazardous Combustion Products: Sulfur oxides and toxic fumes

 

 

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