Decamethylcyclopentasiloxane information

Decamethylcyclopentasiloxane
	; Structural formula
	; Ball-and-stick model of the molecule as found in the crystal structure determined by single-crystal X-ray diffraction
	; Sample of decamethylcyclopentasiloxane
Names
	Preferred IUPAC name Decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane
	Other names Cyclopentamethicone; Cyclic dimethylsiloxane pentamer; D5; D5; 2,2,4,4,6,6,8,8,10,10-Decamethylcyclopentasiloxane;
Identifiers
CAS Number	541-02-6 ;
3D model (JSmol)	Interactive image; Interactive image;
Beilstein Reference	1800166
ChEMBL	ChEMBL1885178;
ChemSpider	10451 ;
DrugBank	DB11244;
ECHA InfoCard	100.007.969
EC Number	208-764-9;
MeSH	Decamethylcyclopentasiloxane
PubChem CID	10913;
RTECS number	GY5945200;
UNII	0THT5PCI0R ;
CompTox Dashboard (EPA)	DTXSID1027184 ;
	InChI InChI=1S/C10H30O5Si5/c1-16(2)11-17(3,4)13-19(7,8)15-20(9,10)14-18(5,6)12-16/h1-10H3 Key: XMSXQFUHVRWGNA-UHFFFAOYSA-N ; InChI=1/C10H30O5Si5/c1-16(2)11-17(3,4)13-19(7,8)15-20(9,10)14-18(5,6)12-16/h1-10H3 Key: XMSXQFUHVRWGNA-UHFFFAOYAC;
	SMILES C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1; O1[Si](O[Si](O[Si](O[Si](O[Si]1(C)C)(C)C)(C)C)(C)C)(C)C;
Properties
Chemical formula	[(CH3)2SiO]5
Molar mass	370.770 g·mol−1
Appearance	Colourless liquid
Density	0.958 g/cm3
Melting point	−47 °C; −53 °F; 226 K
Boiling point	210 °C (410 °F; 483 K)
Solubility in water	17.03±0.72 ppb (23 °C)
log P	8.07
Vapor pressure	20.4±1.1 Pa (25 °C)
Viscosity	3.74 cP
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H226, H361, H412, H413
Precautionary statements	P201, P202, P210, P233, P240, P241, P242, P243, P273, P280, P281, P303+P361+P353, P308+P313, P370+P378, P403+P235, P405, P501
NFPA 704 (fire diamond)	1 2 0
Flash point	73 °C (163 °F; 346 K)
Safety data sheet (SDS)	External MSDS
Related compounds
Related Organosilicon compounds	Octamethylcyclotetrasiloxane
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Decamethylcyclopentasiloxane, also known as D₅ and D5, is an organosilicon compound with the formula [(CH₃)₂SiO]₅. It is a colorless and odorless liquid that is slightly volatile.^[5]

^ S. Parsons, D. Rankin, P. A. Wood (2004). "CSD Communication YAGTOQ: decamethylpentasilsesquioxane". Cambridge Structural Database: Access Structures. Cambridge Crystallographic Data Centre. doi:10.5517/cc89wzd. Retrieved 2021-08-18.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^ Sudarsanan Varaprath; Cecil L. Frye; Jerry Hamelink (1996). "Aqueous solubility of permethylsiloxanes (silicones)". Environmental Toxicology and Chemistry. 15 (8): 1263–1265. doi:10.1002/etc.5620150803.
^ Shihe Xu, Bruce Kropscott (2012). "Method for Simultaneous Determination of Partition Coefficients for Cyclic Volatile Methylsiloxanes and Dimethylsilanediol". Analytical Chemistry. 84 (4): 1948–1955. doi:10.1021/ac202953t. PMID 22304371.
^ Ying Duan Lei; Frank Wania; Dan Mathers (2010). "Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers". Journal of Chemical & Engineering Data. 55 (12): 5868–5873. doi:10.1021/je100835n.
^ Record of Decamethylcyclopentasiloxan in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 25. September 2015.

[1] S. Parsons, D. Rankin, P. A. Wood (2004). "CSD Communication YAGTOQ: decamethylpentasilsesquioxane". Cambridge Structural Database: Access Structures. Cambridge Crystallographic Data Centre. doi:10.5517/cc89wzd. Retrieved 2021-08-18.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[2] Sudarsanan Varaprath; Cecil L. Frye; Jerry Hamelink (1996). "Aqueous solubility of permethylsiloxanes (silicones)". Environmental Toxicology and Chemistry. 15 (8): 1263–1265. doi:10.1002/etc.5620150803.

[3] Shihe Xu, Bruce Kropscott (2012). "Method for Simultaneous Determination of Partition Coefficients for Cyclic Volatile Methylsiloxanes and Dimethylsilanediol". Analytical Chemistry. 84 (4): 1948–1955. doi:10.1021/ac202953t. PMID 22304371.

[4] Ying Duan Lei; Frank Wania; Dan Mathers (2010). "Temperature-Dependent Vapor Pressure of Selected Cyclic and Linear Polydimethylsiloxane Oligomers". Journal of Chemical & Engineering Data. 55 (12): 5868–5873. doi:10.1021/je100835n.

[GESTIS-5] Record of Decamethylcyclopentasiloxan in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 25. September 2015.

Decamethylcyclopentasiloxane information

and 9 Related for: Decamethylcyclopentasiloxane information

Decamethylcyclopentasiloxane

Siloxane

Cyclosiloxane

Hexamethylcyclotrisiloxane

Octamethylcyclotetrasiloxane

D5

Dry cleaning

List of compounds with carbon number 10

List of cosmetic ingredients

Names
Structural formula
Ball-and-stick model of the molecule as found in the crystal structure determined by single-crystal X-ray diffraction^[1]
Sample of decamethylcyclopentasiloxane
Preferred IUPAC name Decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane
Other names Cyclopentamethicone Cyclic dimethylsiloxane pentamer D₅ D5 2,2,4,4,6,6,8,8,10,10-Decamethylcyclopentasiloxane
Identifiers
CAS Number	541-02-6^Y
3D model (JSmol)	Interactive image Interactive image
Beilstein Reference	1800166
ChEMBL	ChEMBL1885178
ChemSpider	10451^Y
DrugBank	DB11244
ECHA InfoCard	100.007.969
EC Number	208-764-9
MeSH	Decamethylcyclopentasiloxane
PubChem CID	10913
RTECS number	GY5945200
UNII	0THT5PCI0R^Y
CompTox Dashboard (EPA)	DTXSID1027184
InChI InChI=1S/C10H30O5Si5/c1-16(2)11-17(3,4)13-19(7,8)15-20(9,10)14-18(5,6)12-16/h1-10H3^Y Key: XMSXQFUHVRWGNA-UHFFFAOYSA-N^Y InChI=1/C10H30O5Si5/c1-16(2)11-17(3,4)13-19(7,8)15-20(9,10)14-18(5,6)12-16/h1-10H3 Key: XMSXQFUHVRWGNA-UHFFFAOYAC
SMILES C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 O1[Si](O[Si](O[Si](O[Si](O[Si]1(C)C)(C)C)(C)C)(C)C)(C)C
Properties
Chemical formula	[(CH₃)₂SiO]₅
Molar mass	370.770 g·mol⁻¹
Appearance	Colourless liquid
Density	0.958 g/cm³
Melting point	−47 °C; −53 °F; 226 K
Boiling point	210 °C (410 °F; 483 K)
Solubility in water	17.03±0.72 ppb (23 °C) ^[2]
log P	8.07^[3]
Vapor pressure	20.4±1.1 Pa (25 °C) ^[4]
Viscosity	3.74 cP
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H226, H361, H412, H413
Precautionary statements	P201, P202, P210, P233, P240, P241, P242, P243, P273, P280, P281, P303+P361+P353, P308+P313, P370+P378, P403+P235, P405, P501
NFPA 704 (fire diamond)	1 2 0
Flash point	73 °C (163 °F; 346 K)
Safety data sheet (SDS)	External MSDS
Related compounds
Related Organosilicon compounds	Octamethylcyclotetrasiloxane
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references