Dibutyltin Dilaurate (T-12)

Overview

Dibutyltin dilaurate (DBTDL, T-12) is a pale yellow, oily organotin liquid. It is a highly effective catalyst for the isocyanate–hydroxyl reaction in polyurethane coatings, elastomers and adhesives, and a stabilizer for PVC.

Also known as

T-12; DBTDL; Dibutyltin dilaurate

CAS number

77-58-7

Molecular formula

C32H64O4Sn

Molecular weight

631.56

Specifications

Test items	Specifications
Appearance	Light yellow transparent liquid
Tin content /%	18±1
Density (25℃) /(g/cm³)	1.066
Acid value /(mgKOH/g)	≤0.2
Viscosity (25℃) /mPa·s	42

Applications

• Catalyst for polyurethane coatings, elastomers, adhesives and sealants
• Catalyst for curing RTV silicone rubber
• Catalyst for polyurethane prepolymers and rigid foam
• Heat stabilizer for transparent PVC

Packaging

25 kg/drum; 200 kg/drum.

Storage

Store in tightly closed containers in a cool, dry place, protected from moisture.