Pyrithione Carbamide (PM) is a high-effect, environmentally friendly, and broad-spectrum antiseptic-germicide with versatile applications. It offers remarkable relief from itching and dandruff when added to shampoo. Our product, manufactured by WUXI HONOR SHINE CHEMICAL CO. LTD, finds extensive usage in various industries such as daily products, paint, seed treatment, fruit trees, antiseptic of fruits, leather wares, industrial cool recycling water, mastics, paper-making, medicine, and pesticides. Pyrithione Carbamide (PM) is a reliable solution for diverse antimicrobial needs, ensuring effectiveness and quality.

Pyrithione Carbamide (PM) is derived from China, ensuring the highest standards of production. Our product, with the CAS NO. 2770-93-6, boasts exceptional physical and chemical properties. It appears as an off-white powder with a slight acidic smell. The melting point ranges between 157-159℃ (decomposition), and it has a purity content of at least 95%. Pyrithione Carbamide (PM) is soluble in water, slightly soluble in methanol and ethanol, and exhibits certain volatility in its solid form. Its pH ranges from 3 to 10, and the water-insoluble substances are limited to ≤ 0.05%.

Ensuring user safety is our top priority. Pyrithione Carbamide (PM) has been extensively tested and exhibits favorable characteristics. It has an LD50 acute oral value over 1000mg/kg, indicating low toxicity. The product does not cause skin irritation and has yielded negative results in the "3-genesis" experiment. With its excellent antiseptic and mold-proofing effects, Pyrithione Carbamide (PM) effectively inhibits and sterilizes eight molds, five bacteria, and two yeast fungi, including distillery yeast and bakers' yeast. Its broad-spectrum activity makes it an ideal choice for various microorganisms.

Physical and chemical properties:
Other name:PM
CAS NO.:2770-93-6

Structure:
FW:205.4
Appearance: white or off-white powder
Molecular formula: C6H8N3SOC1
Molecular weight: 205.4
Chemical structural formula:

Appearance: off-white powder
Smell: acescency
Melting point: 157-159℃(decomposition)
Content: ≥ 95%
Water-insoluble substances: ≤ 0.05%
PH: 3-10
Solubleness: it is soluble in water, slightly soluble in methanol and ethanol.
Volatility: Solid has certain volatility.
Security
① The LD50 acute oral is over 1000mg/kg
② It has no irritation to skin.
③ Experiment of “3-genesis” is negative.
Antiseptic and mould proofing effects:
This product can restrain and sterilize eight moulds, five bacteria, as well as two yeast fungi which are distillery yeast and bakers’ yeast. Its MIC to various micro-organisms is as follows:
Microorganisms name MIC(PPM) Microorganisms name MIC(PPM) Microorganisms name MIC(PPM)
Aspergillus niger 8 Cladosporium herbarum 2 Escherichia coli 16
Aspergillus flavus 5 Trichoderma viride 3 Pseudomonas fluorescens 8
Aspergillus versicolor 4 Chaetomium globasum 2 Staphylococcus aureus 4
Penicillium citrinim 5 Bacillus subtilis 2 Saccharomyces cereuisiae 2
Pacilomyces varioti 2 acillus megaterium 2 Klocckeria Janke 2