Sodium Hexametaphosphate (Water Softener for Textile)
CAS Number: 10124-56-8
Sodium Hexametaphosphate (SHMP) is a polyphosphate water softener and sequestering agent used in textile dyeing and finishing to prevent calcium and magnesium scale formation. It complexes hardness ions in process water to maintain dye solubility and prevent precipitation on fabric and equipment. Cost-effective alternative to EDTA in medium-hardness water conditions.
Technical Specifications
| appearance | White powder or granules |
| moisture (%) | ≤0.5 |
| iron (Fe, ppm) | ≤20 |
| P2O5 content (%) | ≥68 |
| pH (1% solution) | 6.0–7.5 |
| active content (%) | ≥68 |
Applications
- Water softening in dyeing and scouring baths
- Preventing calcium soap and scale formation in bleaching baths
- Sequestering agent in textile laundry and finishing liquors
- Boiler scale inhibition in textile dyeing plant steam systems
- Dispersant in dye bath to prevent dye precipitation
Key Features
- Effective water softening at low cost compared to EDTA
- Prevents scale and soap formation to extend equipment life
- Improves dye exhaustion and levelness in hard water conditions
- Widely available with stable supply and competitive pricing
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CAS Number
10124-56-8
Category
Textile Dyeing AuxiliariesAvailability
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