Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information



Appearance/physical state/colour

Dibuytltin maleate was described as a white powder.

Melting point/freezing point

The melting range of dibutyltin maleate has been determined to be from approximately 107 to approximately 139 °C (380 to 412 K).

Boiling point

The test item was reported to decompose from 260°C (533 K) at 100.8 kPa


1.6 at 20 °C

Particle size distribution (Granulometry)

Proportion of test item having an inhalable particle size <100 µm = 20.5%

Proportion of test item having a thoracic particle size <10.0 µm = 2.23 %

Proportion of test item having a respirable particle size <5.5 µm = 0.689 %

Vapour pressure

0.00026 Pa at 25 °C

Partition coefficient

Data waiver written

Water solubility

The water solubility of the test item has been determined to be less than 1.00 x 10-2g/l of solution at 20.0 ± 0.5°C

Surface tension

Data waiver written

Flash point

Data waiver written


Data waiver written




Data waiver written

Oxidising properties

Data waiver written