Stannous Dioctanoate
Synonyms
Stannous caprylate;
Stannous octanoate;
Tin octanoate;
Tin(II) octanoate;
Octanoic acid, tin(2+) salt;
Octanoic acid, tin(2+) salt (2:1);
Tin dioctanoate;
Category
Anionic Surfactant
> Carboxylate
>> Chain Carboxylate
>>> Alkyl Carboxylate
>>>> Linear Alkyl Carboxylate
Chemical Numbering System
CASRN：1912-83-0
EINECS：217-624-6
Molecular Formula & Molecular Weight
Molecular Formula: C16H30O4Sn; C8H16O2.1/2Sn
Molecular Weight: 405.12
Structure
Properties
Appearance (1), yellow paste; (2), liquid.
Solubility insoluble in water. soluble in petroleum ether.
Stability stable. Easily oxidized.
Risk Paste form: toxic (having neurotoxicity); flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS (Rev.10) label: 
Animal Toxicity
Table 1 Animal toxicity values
|
mammals (unknown variety, route unreported) LDLo |
1000mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent catalytic, dispersing abilities.
Synthesis
Sodium octanoate reacts with stannous chloride, then obtain.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Paste |
|
|
Actives, %, ≥ |
|
|
Total tin, %, ≥ |
28.0 |
|
Stannous, %, ≥ |
27.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents - Detergents - Testing methods
GB/T 5173 Surface active agents and detergents－Determination of anionic-active matter by direct two-phase titration procedure
ISO 2271 Surface active agents -- Detergents -- Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
(2), Total tin
(3), Stannous
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Paste |
|
|
Heavy metals (as Pb, except Zn), mg/Kg, ≤ |
20 |
|
As, mg/Kg, ≤ |
3 |
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents - Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents - Determination of total arsenic
3, Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
Major Uses
1, Typical applications
Use as catalyst.
2, Organic synthesis
Catalyst in polyurethane, silicone rubber.
Catalyst-type curing agent in epoxy resin.
Manufacturers
References
[1]: ChemIDplus. 1912-83-0, Tin octanoate
Update: 20131102(1); 20180220(2);