Pyrithione Carbamide

Pyrithione Carbamide（PM）

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

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:

Application fields:
PM is a kind of antiseptic-germicide of high-effect, environmental protection, hypotoxicity and broad-spectrum. It has strong effects of relieving itching and removing dandruff when added to shampoo. Besides, it can be used in daily products, paint, seed treatment, fruit trees, antiseptic of fruits, leather wares, industrial cool recycling water, mastics, paper-making, medicine and pesticides.
Announcements:
1. Though the product is of hypotoxicity and high security, it still requires avoidance of contact with mouth, eyes and skin. While using it, protection measures should be prepared.
2. Keep in dry and cool place, avoid direct sunlight.
3. The product is packed in cardboard bucket with volume of 25kg.