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| Boiling Point | 109 °C (lit.) |
| pH Value | 8.0 (for 2% aqueous solution, 20 °C) |
| Storage Conditions | For solid form: Store in a cool, dry place, sealed tightly to prevent moisture absorption; for aqueous solution form: Store at 0-5 °C (refrigerated) or 2-30 °C, avoid direct sunlight and contact with incompatible substances (oxidants, heavy metals). |
| deliveryInfo | |
| Molecular Weight | 149.15 (anhydrous) |
| Stability | Hygroscopic and sensitive to light, oxidants, and strong reducing agents; slightly deactivated by non-ionic surfactants and can form chelate complexes with heavy metals. |
| aliasen | |
| supplyCapacity | 50000Metric Ton/Month |
| Solubility | Highly soluble in water |
| harbor | Qingdao,China |
| minorder | 1KG |
| useage | Industrial use |
| appearance | White or off-white powder |
| Molecular Formula | C?H?NNaOS |
| Melting Point | 290-295 °C (solid powder, 98% purity) |
Assay (HPLC/GC)≥98.0%
AppearanceWhite or off-white powder
Melting Point290-295 °C (lit.)
Density1.238 g/mL (lit.)
Water Content≤0.5%
ImpuritiesSingle impurity ≤0.2%, total impurities ≤1.0%
IdentificationConsistent with the standard (IR/UV)
Sodium Pyrithione (CAS 3811-73-2) is a high-efficiency, broad-spectrum, low-toxicity water-soluble antibacterial, antifungal, and preservative agent. It is widely used in daily chemicals as a key anti-dandruff ingredient in shampoos and body washes (max 0.5% concentration) to inhibit Malassezia growth. In industry, it serves as an antifungal preservative in metalworking fluids, latex paints, adhesives, and leather/textile products to prevent microbial spoilage. In pharmaceuticals, it acts as an intermediate for antifungal drugs and a disinfectant component. It is also applied in agriculture to inhibit crop pathogenic fungi and in silkworm breeding as a disinfectant. Additionally, it is used in chemical research as a reagent for related synthesis reactions.
