Decamethyltetrasiloxane

Structural formula
General
Surname	Decamethyltetrasiloxane
other names	MD 2 M L 4
Molecular formula	C 10 H 30 O 3 Si 4
Brief description	colorless liquid
External identifiers / databases
CAS number 141-62-8 EC number 205-491-7 ECHA InfoCard 100.004.993 PubChem 8852 Wikidata Q4004975
properties
Molar mass	310.68 g mol −1
Physical state	liquid
density	0.854 g cm −3
Melting point	−68 ° C
boiling point	194 ° C
Vapor pressure	52 Pa (20 ° C)
solubility	practically insoluble in water (0.006 mg l −1 at 25 ° C) soluble in benzene
Refractive index	1.389 (20 ° C)
safety instructions
GHS labeling of hazardous substances no GHS pictograms H and P phrases H: no H-phrases P: no P-phrases
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

Decamethyltetrasiloxane is a chemical compound from the group of siloxanes . The compound is on the list of CoRAP substances because of its widespread use .

properties

Decamethyltetrasiloxane is a flammable, hardly inflammable, colorless liquid that is practically insoluble in water.

use

Decamethyltetrasiloxane is used as an intermediate in the manufacture of other chemical compounds and in cleaning products.

safety instructions

The vapors of decamethyltetrasiloxane can form an explosive mixture with air ( flash point 62 ° C).

Due to its potential PBT or vPvB properties as well as exposure to the environment and its wide dispersive use, decamethyltetrasiloxane was examined under REACH in 2015 as part of the substance assessment by Great Britain.

Individual evidence

1. ↑ ^{a b c d e f g h i j k} Entry on decamethyltetrasiloxane in the GESTIS substance database of the IFA , accessed on March 13, 2018(JavaScript required) .
2. ^ William M. Haynes: CRC Handbook of Chemistry and Physics, 92nd Edition . CRC Press, 2011, ISBN 978-1-4398-5512-6 , pp. 143 ( limited preview in Google Book search).
3. ↑ Data sheet Decamethyltetrasiloxane, 97% from Sigma-Aldrich , accessed on March 13, 2018 ( PDF ).
4. ^ GWA Milne: Gardner's Commercially Important Chemicals Synonyms, Trade Names, and Properties . John Wiley & Sons, 2005, ISBN 0-471-73661-9 , pp. 178 ( limited preview in Google Book search).
5. ↑ Community rolling action plan ( CoRAP ) of the European Chemicals Agency (ECHA): decamethyltetrasiloxane , accessed on August 18, 2018.