Reaxis®  C233T - Organotin

REAXIS® C233T is a liquid organotin catalyst blended in toluene that is utilized in the following applications:

  • Catalysis of polyurethanes
  • Esterification and transesterification reactions
  • Polycondensation reactions of silicone resins and silanes
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Technical Information

  • Product Category Dibutyltin Diacetate, Toluene

  • Chemical Name Organotin

  • CAS Number 1067-33-0, 108-88-3

Typical Specifications

Parameter Range
Tin Content (%) 16.6 - 17.2
Density (g/ml) 1.037 - 1.050
Color (Gardner Number) 3 Max
Viscosity (cP @ 20°C) 30 Max

Package & Storage

  • 40 lb (18.1 kg) 05G metal pails

REAXIS® C233T should be stored in the original packaging at moderate temperatures and kept from freezing. The container should be closed tightly after each use to maximize shelf life.

Safety and Handling

Before use of Reaxis products please refer to the relevant Safety Data Sheet (SDS) for safety and toxicological data as well as for the information on proper transportation, storage, and use. SDSs are available by request via our web site, contacting your local representative, or emailing direct to

Hazard Classification (US SDS)

Section Hazard Class Category Hazard Statement
A.2 skin corrosion/irritation 1B H314
A.3 serious eye damage/eye irritation 1 H318
A.4S skin sensitization 1 H317
A.5 germ cell mutagenicity 2 H341
A.7 reproductive toxicity 1B H360FD
A.8 specific target organ toxicity - single exposure 1 H370
A.8D specific target organ toxicity - single exposure (narcotic effects, drowsiness) 3 H336
A.9 specific target organ toxicity - repeated exposure 1 H372
A.10 aspiration hazard 1 H304
B.6 flammable liquid 2 H225

Hazard Pictograms (US SDS)


Transportation Information (US SDS)

DOT IMDG ICAO Environment Hazard
UN Number UN 3265 UN 3265 UN 3265 yes (hazardous to the aquatic environment)
UN Proper Shipping Name Flammable liquid, corrosive, n.o.s., (contains: Toluene, REAXIS® C233) Flammable liquid, corrosive, n.o.s., (contains: Toluene, REAXIS® C233) Flammable liquid, corrosive, n.o.s., (contains: Toluene, REAXIS® C233)
Transport Class 3+8, fish and tree 3+8, fish and tree 3+8, fish and tree
Packing Group ll ll ll

Primary Composition Substance(s)

  • dibutyltin di(acetate)

This information is provided to the best of our knowledge but without obligation. Reaxis is not liable for any incorrect or missing information. This data sheet becomes invalid upon publication of a new version. Please contact us for the latest version.

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