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DODECAMETHYLPENTASILOXANE

DODECAMETHYLPENTASILOXANE structure

CAS No.: 141-63-9

Chemical Name:: DODECAMETHYLPENTASILOXANE

Synonyms: Pentasiloxane, dodecamethyl-;DK539;KF 96L2CS;DKFELEX0131;DC 200 Fluid 2;Simethicone Impurity 8;Penta(dimethylsiloxane);odecamethylpentasiloxane;dodecamethyl-pentasiloxan;DODECAMETHYLPENTASILOXANE

CBNumber:: CB6259604

Molecular Formula:: C12H36O4Si5

Molecular Weight:: 384.84

MDL Number:: MFCD00039795

MOL File:: 141-63-9.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-12 09:20:59

Product description	Number	Pack Size	Price
Dodecamethylpentasiloxane 97%	447269	10ml	$84
Dodecamethylpentasiloxane 97%	447269	50ml	$271
Dodecamethylpentasiloxane >98.0%(GC)	D4394	25mL	$132
Dodecamethylpentasiloxane ≥98%(GC)	40528	25ML	$176.26
Dodecamethylpentasiloxane	BA2205	10mL	$54
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DODECAMETHYLPENTASILOXANE Properties

Melting point	-81 °C (lit.)
Boiling point	230 °C (lit.)
Density	0.875 g/mL at 25 °C (lit.)
vapor pressure	<1 mm Hg ( 20 °C)
refractive index	n20/D 1.392(lit.)
Flash point	187 °F
storage temp.	Refrigerator
solubility	Benzene (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form	liquid
Specific Gravity	0.876
color	Colourless
Viscosity	1.7mm2/s
Water Solubility	70.41ng/L at 23℃
Hydrolytic Sensitivity	1: no significant reaction with aqueous systems
Merck	14,3404
Henry's Law Constant	8.7×10^-8 mol/(m³Pa) at 25℃, Mazzoni et al. (1997)
Dielectric constant	2.5（20℃）
Cosmetics Ingredients Functions	ANTIFOAMING
InChI	1S/C12H36O4Si5/c1-17(2,3)13-19(7,8)15-21(11,12)16-20(9,10)14-18(4,5)6/h1-12H3
InChIKey	FBZANXDWQAVSTQ-UHFFFAOYSA-N
SMILES	C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C
LogP	9.411 at 25℃
CAS DataBase Reference	141-63-9(CAS DataBase Reference)
EWG's Food Scores	2
FDA UNII	0QDQ2VQ5YJ
EPA Substance Registry System	Pentasiloxane, dodecamethyl- (141-63-9)
UNSPSC Code	12352103
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319-H335
Precautionary statements	P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
RIDADR	NA 1993 / PGIII
WGK Germany	3
RTECS	SB0970000
TSCA	TSCA listed
HS Code	2931.90.9010
Storage Class	10 - Combustible liquids
Hazardous Substances Data	141-63-9(Hazardous Substances Data)
Toxicity	guinea pig,LDLo,oral,50gm/kg (50000mg/kg),Journal of Industrial Hygiene and Toxicology. Vol. 30, Pg. 332, 1948.
REACH Registrations	Active

DODECAMETHYLPENTASILOXANE price More Price(24)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	447269	Dodecamethylpentasiloxane 97%	141-63-9	10ml	$84	2026-04-30	Buy
Sigma-Aldrich	447269	Dodecamethylpentasiloxane 97%	141-63-9	50ml	$271	2026-04-30	Buy
TCI Chemical	D4394	Dodecamethylpentasiloxane >98.0%(GC)	141-63-9	25mL	$132	2026-04-30	Buy
Chem-Impex	40528	Dodecamethylpentasiloxane ≥98%(GC)	141-63-9	25ML	$176.26	2026-05-19	Buy
ApexBio Technology	BA2205	Dodecamethylpentasiloxane	141-63-9	10mL	$54	2026-05-06	Buy

Product number	Packaging	Price	Buy
447269	10ml	$84	Buy
447269	50ml	$271	Buy
D4394	25mL	$132	Buy
40528	25ML	$176.26	Buy
BA2205	10mL	$54	Buy

DODECAMETHYLPENTASILOXANE Chemical Properties,Uses,Production

Chemical Properties

clear colorless liquid

Uses

A non-cyclic polydimethyl siloxane. Study shows that it can be transformed by a specific microflora and in the natural environment degraded by mechanisms similar to other organic compounds.

Uses

As a basis for silicone oils or fluids designed to withstand extremes of temperature; as a foam suppressant in petroleum lubricating oil.

Definition

ChEBI: An organosiloxane that is pentasiloxane in which all the hydrogens have been replaced by methyl groups. Metabolite observed in cancer metabolism.

Flammability and Explosibility

Non flammable

Toxics Screening Level

The initial threshold screening level (ITSL) for dodecamethylpentasiloxane remains at 0.1 μg/m3 based on an annual averaging time.

DODECAMETHYLPENTASILOXANE synthesis

Synthesis of DODECAMETHYLPENTASILOXANE from Chlorotrimethylsilane and 1,1,3,3-TETRAMETHYL-1,3-DIETHOXYDISILOXANE

DODECAMETHYLPENTASILOXANE Preparation Products And Raw materials

Raw materials

TETRADECAMETHYLHEXASILOXANE DECAMETHYLTETRASILOXANE

Preparation Products

Octamethyltrisiloxane Hexamethyldisiloxane

DODECAMETHYLPENTASILOXANE Suppliers

Global( 161)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shanghai Zhuangming Biopharma Co., Ltd.		inquiry@zmsilane.com	China	728	58
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	13902	58
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	33024	60
Win-Win Chemical CO., Limited	0086-577-64498589	sales@win-winchemical.com	CHINA	998	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29794	58
Hubei Co-Formula Material Tech Co., Ltd.	+86-27-84459282	sales@cfmats.com	CHINA	882	58
BEYOND INDUSTRIES (CHINA) LIMITED	+86-21-52699951; +8613917686115	sales@beyondindustriesgroup.com	China	699	58
TargetMol Chemicals Inc.	+1-781-999-5354; +17819995354	marketing@targetmol.com	United States	32467	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
Win-Win chemical CO., Limited	+86-0086-577-64498589 +86-15355981851	sales@win-winchemical.com	China	14304	58

Supplier	Advantage
Shanghai Zhuangming Biopharma Co., Ltd.	58
Shanghai Daken Advanced Materials Co.,Ltd	58
ATK CHEMICAL COMPANY LIMITED	60
Win-Win Chemical CO., Limited	58
career henan chemical co	58
Hubei Co-Formula Material Tech Co., Ltd.	58
BEYOND INDUSTRIES (CHINA) LIMITED	58
TargetMol Chemicals Inc.	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Win-Win chemical CO., Limited	58

View Lastest Price from DODECAMETHYLPENTASILOXANE manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-05-11	Dodecamethylpentasiloxane 141-63-9	US $29.00 / mg		97.62%	10g	TargetMol Chemicals Inc.
2025-07-02	DODECAMETHYLPENTASILOXANE 141-63-9	US $0.00 / KG	1KG	98%	205-492-2	Shanghai Daken Advanced Materials Co.,Ltd
2019-12-26	DODECAMETHYLPENTASILOXANE 141-63-9	US $1.00 / KG	1KG	99%	600kg	Career Henan Chemical Co

Dodecamethylpentasiloxane
141-63-9
US $29.00 / mg
97.62%
TargetMol Chemicals Inc.

DODECAMETHYLPENTASILOXANE
141-63-9
US $0.00 / KG
98%
Shanghai Daken Advanced Materials Co.,Ltd

DODECAMETHYLPENTASILOXANE
141-63-9
US $1.00 / KG
99%
Career Henan Chemical Co

DODECAMETHYLPENTASILOXANE Spectrum

DODECAMETHYLPENTASILOXANE(141-63-9)¹HNMR

141-63-9(DODECAMETHYLPENTASILOXANE)Related Search:

Trimethylstearylammonium Chloride N-(N-OCTADECYL)ACRYLAMIDE HEXAETHYLDISILOXANE methacryloxypentamethyldisiloxane HEXAVINYLDISILOXANE

chloromethylphenethyltris(trimethylsiloxy)silane,mixed m-,p- ,a-,b-isomers Methyltris(dimethylsiloxy)silane BIS(TRIMETHYLSILOXY)METHYLMETHOXYSILANE TETRAKIS(TRIMETHYLSILOXY)SILANE CHLOROMETHYLTRIS(TRIMETHYLSILOXY)SILANE

HEXAPHENYLDISILOXANE Methyltris(trimethylsiloxy)silane CHLOROMETHYLPENTAMETHYLDISILOXANE Octadecyltrimethoxysilane Chloro(dodecyl)dimethylsilane

Pentamethyldisiloxane DODECAMETHYLPENTASILOXANE 1,1,3,3,5,5-HEXAMETHYLTRISILOXANE

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1,1,1,3,3,5,5,7,7,9,9,9-Dodecamethylpentasiloxane dodecamethyl-pentasiloxan Dodecamethyl-2,4,6,8-tetraoxa-1,3,5,7,9-pentasilanonane Dodecamethylnonanepentasiloxane Penta(dimethylsiloxane) Dodecamethylpentasiloxane,97% DODECAMETHYLPENTASILOXANE DC 200 Fluid 2 KF 96L2CS Pentasiloxane, 1,1,1,3,3,5,5,7,7,9,9,9-dodecamethyl- odecamethylpentasiloxane Simethicone Impurity 8 DK539 DKFELEX0131 Pentasiloxane, dodecamethyl- Dodecamethylpentasiloxane (Standard) 141-63-9 CH33SiOSiCH32O3SiCH33 Organosilicon Siloxanes Organometallic Reagents Organics Organometallic Reagents Organosilicon Siloxanes Intermediates & Fine Chemicals Pharmaceuticals Chemical Synthesis Organometallic Reagents