Methyl Tin Mercaptide F-9802 | CAS No. 57583-35-4

Item No.:F-9802
Formula: C31H60O6S3Sn and C22H44O4S2Sn
CAS: 57583-35-4,57583-34-3

Technical specifications

  • Appearance: Clear liquid
  • Tin (%): 19.4±0.5
  • Colority (Pt-Co): ≤50
  • Density (25℃) g/cm3 1.18±0.01
  • Viscosity (25℃) mPa.S: 60-90
  • Sulfur (%): 12.0±0.2
  • Excellent stabilizer for rigid and semi-rigid Vinyl and copolymer extrusion, injection molding and blow molding formulations.
  • Provides excellent long-term color and impact strength retention in outdoor applications, including siding,trim and accessories and window lineals.
  • Ideal for clear bottles, clear rigid sheet, profiles and other critical injection molding, blow molding and extrusion applications.
User Notice Packaging: Packed with plastic iron drum or plastic drum, N.W.: 220kg each one or 1000 kg each one. Transportation: F-9802 is a liquid tin mercaptide thermal stabilizer and should be handled with normal precautions used in good industrial practices for organic liquids. Storage: Indoor storage is recommended. The drum should be sealed immediately after use. Safety: Use adequate ventilation. Wear rubber gloves. Wear eye protection.In case of contact with the skin,wash thoroughly with soap and water.In case of contact with the eye, flush with water and get medical attention. See Material Safety Data Sheet (MSDS) for further information on this product.

Methyl Tin Mer aptide (F-9802)

SECTION 1 – Product Description

Item No.


Product Name

Methyl tin mercaptide

Chemical Name

Dimethyltin bis(2-ethylhexylmercaptoacetate),
methyltin tri(2-ethylhexylmercaptoacetate)


Methyltin Mercaptide

SECTION 2 - Physical and Chemical Properties

Physical State

Clear liquid


Colorless or slight yellow


Slight penetrating odor


Not available

Vapor Pressure

Not available


0.06 mPas 25 deg C

Boiling Point

Not available

Freezing/Melting Point

Not available

Autoignition Temperature

Not available

Flash Point

>70deg C

Explosion Limits, lower

Not applicable

Explosion Limits, upper

Not applicable

Decomposition Temperature

220 Deg C

Solubility in water

Not soluble in water

Specific Gravity/Density


Molecular Formula



Molecular Weight

Not applicable

SECTION 3- Stability and Reactivity

Chemical Stability


Conditions to Avoid

Incompatible materials, ignition sources.
Incompatibilities with Other Materials: Steam, Carbon Dioxide,Formaldehyde.

Hazardous Decomposition Products

Carbon monoxide, carbon dioxide. Tin Dioxide

Hazardous Polymerization

May occur.



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