Sodium Pyrithione CAS 3811-73-2 as Pharmaceutical Intermediate

• CAS No.: 3811-73-2
• Formula: C5h4nnaos
• EINECS: 223-296-5
• Model NO.: CAS 3811-73-2
• Color: Colorless
• Appearance: Liquid
• Purity: ≥40%
• Transport Package: 220kg Drum, 1100kg IBC
• Specification: 40% min
• Trademark: Pharmaceutical intermediate
• Origin: China
• HS Code: 2933399099

Product Description

General Description:Sodium Pyrithione is an aqueous solution of sodium 2-pyridinethiol-1-oxide. It is registered by the U.S. EPA under the Federal Insecticide, Fungicide, and Rodenticide Act and supported in Europe under the Biocidal Products Directive. Molecular formula:C5H4NOSNa

Molecular weight:149.16

SPT Structural formula:

CAS NO.:3811-73-2

Hazardous class : 9

HS :2933399090

SOLID UN NO.:3077. SOLUTION UN NO.: 3082

Solubility: easily soluble in water and ethanol etc.

Microelement: customerized supplyStability: 2 years, avoid light

Storage: In cool place, avoid sunlight

SPT specs:

(1)Sodium Pyrithione (SPT)

Industrial Grade (liquid)Spec.

APPEARANCE :Pale amber liquid and free of sediment

ASSAY ≥40%

PH(5%solution):8.5-10.5

REFRACTIVE INDEX:1.4770-1.4870

 

(2) Pharmaceutical Grade (solid)

sodium pyrithione (medical grade)

APPEARANCE Almost white powder

ASSAY(dry base) 98%min

lost on drying≤5%

PH(5%solution) 8.0-9.0

Application: 
1. It can be used in metal cutting fluid, anti-rust fluid, latex paint, adhesive, leather products, textile products, copper paper and other fields. 2. It is used in various anti-fungal drugs and shampoo and skin care products in the pharmaceutical and chemical industry. It not only prevents product corruption and mildew, but also relieves itching and dandruff, which is very effective. 3. It can be used as an effective fungicide for fruit trees, peanuts, wheat, vegetables and other crops. It is also an excellent silkworm disinfectant. 4. It can be used to formulate products such as disinfectant, detergent and medical broad-spectrum antifungal dermatology.