Dibutyltin dilaurate
Synonyms
Dodecanoic acid, 1,1'-(dibutylstannylene) ester;
Stannane, dibutylbis((1-oxododecyl)oxy)-;
Category
Special surfactant
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>>>> Dilinear Alkyltin Dilinear Alkyl Fatty Acid Ester
Chemical Numbering System
CASRN：77-58-7
EINECS：201-039-8
Molecular Formula & Molecular Weight
Molecular Formula: C32H64O4Sn
Molecular Weight: 631.56
Structure
Properties
Appearance (1), liquid; or soft solid.
Solubility insoluble in water.
Stability stable.
Risk Liquid or soft solid form: 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
|
mouse inhalation LC50 |
150mg/m3/2H[1] |
|
mouse intraperitoneal LD50 |
180mg/kg[1] |
|
mouse oral LD50 |
210mg/kg[1] |
|
rabbit skin LD |
> 2000mg/kg[1] |
|
rabbit oral LD50 |
100mg/kg[1] |
|
rat intravenous LD50 |
33mg/kg[1] |
|
rat oral LD50 |
175mg/kg[1] |
|
rat intraperitoneal LDLo |
85mg/kg[1] |
Reproductive effect[1].
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent lubricating, dispersing abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid or soft solid |
|
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Liquid or soft solid |
|
|
Heavy metals (as Pb, except Sn), 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.
Use as heat stabilizer.
2, Polymer
Heat stabilizer in resins, rubber, paints, etc.
Catalyst in silicone rubber, polyurethane foam, etc.
Manufacturers
References
[1]: ChemIDplus. 77-58-7, Dibutyltin dilaurate
Update: 20180826(1);