Dioctyltin Oxide


Product name: Dioctyl tin oxide, Dioctyl tin oxide is an organic compound, its chemical formula is C16H34OSn.

Product name: Dioctyl tin oxide, CAS870-08-6

Chinese name: dioctyl tin oxide, 8201 catalyst, octyl tin oxide, dioctyl tin oxide, dioctyl tin oxide, di-n-octyl tin oxide, dioctyl tin oxide (Thanks), dioctyl tin oxide (DOTO), metal organics,


Molecular formula: C8H18OSn
Molecular weight: 248.94
CAS registration number: 818-08-6
EINECS registration number: 212-449-1
InChI: 1S/2C4H9.O.Sn/c2*1-3-4-2;;/h2*1,3-4H2,2H3 ;;
alias: Dibutyloxotin
Melting point: 300ºC
Water-soluble: 4.0MG/L(20ºC)

Basic information:

English name: Di-n-octyltin oxide (DOTO)

CAS Number: 870-08-6

Molecular formula: C16H34OSn

1. Properties: white powder

2. Density (g/mL,25/4℃): 1,3g/cm3

3. Relative vapor density (g/mL, air=1): not determined

4. Melting point (oC): 245-248°C(dec.)

5. Boiling point (oC, normal pressure): not determined

6. Boiling point (oC, 5.2kPa): not determined

7. Refractive index: not determined

8. Flash point (oC): not determined

9. Specific rotation (o): not determined

10. Self-ignition point or ignition temperature (oC): not determined

11. Vapor pressure (kPa, 25oC): Not determined

12. Saturated vapor pressure (kPa, 60oC): Not determined

13. Heat of combustion (KJ/mol): Not determined

14. Critical temperature (oC): not determined

15. Critical pressure (KPa): not determined

16. The logarithm of the partition coefficient of oil and water (octanol/water): not determined

17. Upper explosion limit (%,V/V): Not determined

18. Lower explosion limit (%,V/V): Not determined

19. Solubility: slightly soluble in water, ethanol, acetone

Safety instructions

Safety instructions: S24/25: Prevent skin and eye contact.

Dangerous goods mark: TT: Toxic substances

Hazard category code: R25: Toxic if swallowed.

Dangerous goods transportation number: UN3146

msds report: msds report for dibutyltin oxide

CAS 870-08-6 Dioctyl tin oxide dioctyl tin oxide Di-n-octyl tin oxide DI-N-OCTYLTIN OXIDE Octyl tin oxide metal organics


white to slightly yellow powder

This product is mainly used to produce PVC heat stabilizer, paint enhancer, and mainly used to produce PVC heat stabilizer

It can also be used as a catalyst for the production of some antioxidants

Storage and transportation:

Should be sealed and stored in a dry, cool and ventilated warehouse


200KG/bucket Storage: It is recommended to store in a dry and cool area with proper ventilation. After the original packaging, please fasten the packaging cover as soon as possible to prevent the product performance from being mixed with other substances such as waterproof grade. Store in a cool, dry place, keep the container tightly closed, and avoid contact with oxides. Do not inhale dust and avoid contact with skin and mucous membranes. Smoking, eating and drinking are prohibited in the workplace. After work, take a shower and change clothes. Store contaminated clothes separately and use them after washing. Maintain good hygiene habits.