Sodium Pyrithione (SPT 40 Solution)
Cosmetic anti-dandruff shampoo raw material Sodium SPT-40 solution
Sodium Pyrithione (SPT 40)
Product Name: Sodium Pyrithione (SPT)
CAS: 3811-73-2
EINECS: 223-296-5
Molecular formula: C5H5NNaOS
Molecular weight: 149.16
Specification: Industrial Grade, 40% solution
Item | Standard |
Appearance | Yellow or light yellow brown transparent liquid |
Assay | ≥40％ |
PH Value | 8.5-10.5 |
Specific Gravity | 1.10-1.30 |
Solubility | Easily soluble in organic solvents such as water and ethanol |
Antiseptic and mould proofing effects:
This product can restrain and sterilize eight moulds, including black mold,aspergillus flavus, aspergillus versicolor,penicillium citrinum, paecilomium varioti bainier,trichoderma viride,chaetomium globasum and cladosporium herbarum; five bacteria, such as E.coli, staphylococcus aureus, bacillus subtilis,bacillus megaterium and pseudomonas fluorescence as well as two yeast fungi which are distillery yeast and bakers’ yeast. Its MIC to various micro-organisms is as follows:
Microbial name | MIC (PPM) | Microbial name | MIC (PPM) |
Aspergillus niger | 8 | Bacillus subtilis | 3 |
Aspergillus flavus | 10 | MAO spherical shell mould | 10 |
Aspergillus discoloration | 6 | Bacillus megaterium | 10 |
Penicillium citrinum | 6 | E. coli | 8 |
Paecilomyces tenuii | 3 | Pseudomonas fluorescens | 15 |
Cladosporium spp | 3 | Staphylococcus aureus | 8 |
Trichoderma viride | 4 | Beer Yeast | 5 |
|
| Alcoholic yeast | 6 |
Application
SPT is currently the most effective water-soluble industrial mildew preservative. Widely used in the fields of daily chemicals (shampoo and hair care products), latex paint, adhesive, leather products, textile,architectural coatings, adhesives, sealants, pesticides, metalworking fluids, anti-rust liquidetc etc.
It can also formulate products such as disinfectants, astringents and medical broad-spectrum antifungal dermatology drugs. At the same time, it is an effective fungicide for fruit trees, peanuts, wheat, vegetables and other crops and an excellent disinfectant for silkworm. SPT and its similar products are widely used in related fields for their high efficiency, broad spectrum, and low toxicity.
Safety
① Acute oral LD50 in mice> 1000mg/kg
② Non-irritating to the skin
③ Experiment of “3-genesis” is negative.
Precautions
1. Although this product is low-toxic and safe to use, it should still avoid contact with mouth, eyes and skin. Please take good precautions during operation.
2. Store in a cool place away from light.
