Sulphur black Extra Pure

1. Basic Identification Attributes

• Chemical Name: Sulphur Black
  • CAS Number: 1327-65-5
  • HS Code: 3204.17.00
  • Molecular Formula: Variable complex polymeric sulfur dye
  • Synonyms:

• Sulfur Black 1
• Sulfur Black dye

2. Physical & Chemical Properties

• Physical State: Powder or granules
  • Color & Odor: Black, slight sulfur odor
  • Melting Point: Decomposes on heating
  • Density: Approximately 1.4 g/cm³ (varies by batch)
  • Solubility:
• Insoluble in water
• Soluble in alkaline solutions and hot sodium sulfide solutions during dyeing process
  • pH Level: Neutral to alkaline in aqueous dispersions
  • Vapor Pressure: Not applicable
  • Flash Point: Not flammable
  • Stability: Stable under normal storage

3. Safety & Hazard Attributes

Hazard Class (GHS Classification):

• May cause skin and eye irritation
• Possible respiratory sensitizer
  • NFPA Ratings:
• Health: 1
• Flammability: 0
• Reactivity: 0
  • Exposure Limits:
• No specific OSHA PEL or ACGIH TLV; general dust exposure limits apply
  • Reactivity:
• Stable under normal conditions
• Avoid contact with strong oxidizers

4. Storage & Handling Attributes

Storage Conditions:

• Store in a dry, cool, well-ventilated place
• Keep container tightly closed
  • Incompatible Materials:
• Strong oxidizers
  • Container Type:
• Sealed plastic or fiber drums
  • Shelf Life:
• Stable for several years if stored properly
  • Special Handling Requirements:
• Use gloves, dust mask, and eye protection to avoid irritation
• Minimize dust generation

5. Regulatory & Compliance Attributes

Regulatory Status:

• Approved for use in textiles and industrial applications
• Not approved for food or pharmaceutical use
  • Transportation Restrictions:
• Not classified as hazardous for transport
  • Waste Disposal Method:
• Dispose according to local environmental regulations

6. Environmental & Health Impact

Ecotoxicity:

• Low toxicity to aquatic organisms when properly treated
  • Persistence in Environment:
• Poorly biodegradable; may accumulate in sediment
  • Carcinogenicity/Mutagenicity:
• Not classified as carcinogenic or mutagenic
  • Biodegradability:
• Limited biodegradability