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Sulphur Black
Sulphur Black is a synthetic sulfur-based dye renowned for its deep black color and excellent fastness properties, especially on cellulose fibers like cotton. It is widely used in textile dyeing due to its cost-effectiveness and ability to produce dark, durable black shades. Sulphur Black is insoluble in water but applied through a reduction process that allows it to penetrate fibers and form insoluble pigments within the fabric, offering excellent wash and light fastness.
Sulphur Black
Primary Uses
- Textile Chemicals
- Extensively used for dyeing cotton, viscose, and other cellulose fibers to produce rich, deep black colors.
- Applied in vat and sulfur dyeing processes providing durable color with good wash and light fastness.
- Used in textile printing for creating dark black patterns and designs.
- Leather Processing Grade
- Occasionally utilized in leather dyeing processes to achieve stable black coloration with good fastness properties.
Secondary Uses
- Industrial and Specialty Applications
- Employed in paper dyeing and coating applications requiring dark black pigmentation.
- Used in specialty chemical formulations where stable black pigment is needed.
- Scientific and Educational Research
- Utilized in textile and fiber research studies to understand dyeing mechanisms and fastness behavior.
1. Basic Identification Attributes
- Botanical Source: Synthetic
- Common/Trade Name: Sulphur Black
- INCI Name: Sulfur Black
- CAS Number: 1320-85-6
- HS Code: 3204.19
- Synonyms: Sulfur Black 1, C.I. Sulfur Black 1
2. Physical & Chemical Properties
- Physical State: Powder or granules
- Color & Odor: Deep black; mild sulfur odor
- Solubility: Insoluble in water; soluble in alkaline reduction baths
- Density: Approx. 1.3 g/cm³
- Shelf Life: 24 months under proper storage
3. Safety & Hazard Attributes
- GHS Classification: May cause skin and eye irritation; avoid inhalation of dust
- Toxicity: Low toxicity; avoid dust inhalation and prolonged skin contact
- Allergen Information: Potential irritant for sensitive individuals
- Exposure Limits: Follow occupational safety guidelines
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated place, away from oxidizers and moisture
- Container Type: Sealed polyethylene or similar non-reactive containers
- Shelf Life: 24 months when stored properly
- Handling Precautions: Use gloves, mask, and protective clothing to prevent dust exposure
5. Regulatory & Compliance Attributes
- Complies with industrial dye regulations
- Manufactured in GMP-compliant facilities
6. Environmental & Health Impact
- Biodegradability: Moderate; dispose according to local regulations
- Ecotoxicity: Potentially harmful to aquatic life if discharged improperly
- Bioaccumulation: Not expected
Safety Handling Precautions
- PPE Required: Gloves, protective eyewear, dust mask
- Handling Guidelines: Avoid dust generation; avoid skin and eye contact
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if symptoms persist
- Skin Contact: Wash with soap and water
- Eye Contact: Rinse thoroughly with water; consult a doctor if irritation continues
- Ingestion: Do not induce vomiting; seek immediate medical attention
Firefighting Measures
- Fire Hazards: Combustible at high temperatures
- Extinguishing Media: Water spray, foam, dry chemical
- Special Precautions: Avoid inhaling combustion fumes
- Hazardous Combustion Products: Sulfur oxides, carbon monoxide
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