Phosphorus-Based Textile Flame Retardant
CAS Number: 6969-71-7
Phosphorus-based textile flame retardant is a reactive or additive organophosphorus compound that provides durable flame retardancy to cellulosic and synthetic fabrics by promoting dehydration and char formation in the condensed phase. It bonds covalently to cotton cellulose when used with a crosslinker, providing wash-durable flame retardancy. Widely used in industrial protective textiles, military fabrics, and home furnishings.
Technical Specifications
| pH | 4.0–7.0 |
| ionicity | Non-ionic |
| appearance | Colorless to pale yellow liquid |
| LOI achieved | ≥28% |
| active content | 70–85% |
| phosphorus content | 15–25% |
Applications
- Cotton and cotton-blend FR finishing
- Industrial and military protective fabrics
- Home furnishing FR treatment
- FR workwear manufacturing
- Nonwoven FR applications
Key Features
- Covalent bonding to cellulose for wash durability
- High phosphorus content for maximum efficiency
- Low formaldehyde or formaldehyde-free options
- Passes major FR standards (EN, NFPA, BS)
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CAS Number
6969-71-7
Category
Textile / Leather AdditivesAvailability
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