Dyeing and Pigments

Chemical Name: p-Aminobenzamide
Synonyms: 4-Aminobenzamide, PABA
CAS No.: 2835-68-9
Molecular Formula: C₇H₈N₂O
Molecular Weight: 136.15 g/mol
Assay: ≥99.0%
Appearance: Colorless crystalline powder

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Specifications

Parameter	Specification
Purity (HPLC)	≥99.0%
Loss on Drying	≤0.2%
Residue on Ignition	≤0.1%
Melting Point	182-184°C

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Applications

• Textile Industry:
  • Ice dyeing agent for cotton, rayon, and hemp fibers
  • High-fastness printing ink formulations
• Pigment Manufacturing:
  • Organic pigments for paints and printing pastes
• Specialty Chemicals:
  • Intermediate for UV-absorbing materials

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Packaging & Shipping

• Standard: 25 kg/drum (HDPE with moisture barrier)
• Custom: Buyer-specified packaging available

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Storage & Handling

• Conditions:
  • Store in a cool, dry, ventilated warehouse (<25°C)
  • Relative humidity: <60%
• Protection:
  • Separate from: Oxidizers, acids, and food additives
  • Light-sensitive – use amber containers for long-term storage

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Safety & Compliance

• GHS Hazard Statements:
  • H302: Harmful if swallowed
  • H315/H319: Causes skin/eye irritation
• Recommended PPE: Nitrile gloves, safety goggles

Disclaimer:

The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.

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