Stannous Octoate (T-9)

Overview

Stannous octoate (tin(II) 2-ethylhexanoate, T-9) is a light yellow, viscous liquid. It is a highly active gelling catalyst for flexible slabstock polyurethane foam.

Also known as

T-9; Stannous 2-ethylhexanoate; Tin(II) 2-ethylhexanoate

CAS number

301-10-0

Molecular formula

C16H30O4Sn

Molecular weight

405.12

Specifications

Test items	Specifications
Appearance	Light yellow to pale yellow transparent viscous liquid
Tin content /%	≥28.0
Stannous content /%	≥27.25
Density /(g/cm³)	1.25
Viscosity (25℃) /mPa·s	380

Applications

• Gelling catalyst for flexible slabstock polyether foam
• Catalyst for polyurethane coatings, elastomers and sealants
• Polymerization catalyst for polylactic acid (PLA) and polycaprolactone
• Curing catalyst for room-temperature-vulcanizing silicone rubber

Packaging

25 kg/drum; 200 kg/drum.

Storage

T-9 oxidizes and hydrolyzes on contact with air and moisture. Keep containers tightly closed, preferably under dry nitrogen, in a cool and dry place.