Octamethylcyclotetrasiloxane

$10 - $560

Price

Brand	Packaging	Price	Product name
AK Scientific 7595AH	25g	$27	Octamethylcyclotetrasiloxane
AK Scientific J55035	5g	$10	Octamethylcyclotetrasiloxane
Arctom CS-0213747	25g	$12	Octamethylcyclotetrasiloxane
Arctom CS-0213747	25g	$12	Octamethylcyclotetrasiloxane
Biorbyt Ltd orb600676	10μg	$290.7	DPF2
Chem-Impex 26866	1KG	$315.67	Dimethylsiloxane cyclic tetramer
Chem-Impex 26866	25G	$18.53	Dimethylsiloxane cyclic tetramer
Chem-Impex 26866	100G	$34.83	Dimethylsiloxanecyclictetramer,97%(assay)
Chem-Impex 26866	25G	$11.65	Dimethylsiloxanecyclictetramer,97%(assay)
Chem-Impex 26866	100G	$47.47	Dimethylsiloxane cyclic tetramer

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Melting point	17-18 °C (lit.)
Boiling point	175-176 °C (lit.)
Density	0.956 g/mL at 25 °C (lit.)
vapor density	1 (vs air)
vapor pressure	1.32hPa at 25℃
refractive index	n20/D 1.396(lit.)
Flash point	140 °F
storage temp.	Store below +30°C.
solubility	<0.001g/l Hydrolysis
form	liquid
color	colorless
Specific Gravity	0.956
explosive limit	0.4-11.7%(V)
biological source	rabbit
Water Solubility	INSOLUBLE
Sensitive	Moisture Sensitive
Merck	14,6747
BRN	1787074
Henry's Law Constant	7.3×10^-7 mol/(m³Pa) at 25℃, Xu and Kropscott (2014)
Dielectric constant	2.4（20℃）
Cosmetics Ingredients Functions	SOLVENT SKIN CONDITIONING - EMOLLIENT HAIR CONDITIONING
InChI	1S/C8H24O4Si4/c1-13(2)9-14(3,4)11-16(7,8)12-15(5,6)10-13/h1-8H3
InChIKey	HMMGMWAXVFQUOA-UHFFFAOYSA-N
SMILES	C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1
LogP	6.98 at 21.7℃
CAS DataBase Reference	556-67-2(CAS DataBase Reference)
NIST Chemistry Reference	Cyclotetrasiloxane, octamethyl-(556-67-2)
EPA Substance Registry System	Octamethylcyclotetrasiloxane (556-67-2)