ChemicalBook >> CAS DataBase List >>1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane

1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane

1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane structure

CAS No.: 56-33-7

Chemical Name:: 1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane

Synonyms: d6190;DK333;DKSI134;NSC 96791;DKFELEX0209;Oxybis(phenyldimethylsilane);Tetramethyldiphenyldisiloxane;Bis(phenyldimethylsilyl)oxide;bis(dimethylphenylsilyl)oxide;bis(dimethylphenylsilyl)ether

CBNumber:: CB3208984

Molecular Formula:: C16H22OSi2

Molecular Weight:: 286.52

MDL Number:: MFCD00039793

MOL File:: 56-33-7.mol

Last updated:2025-12-23 21:30:31

Product description	Number	Pack Size	Price
1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane >98.0%(GC)	T3348	5g	$113
1,3-Diphenyl-1,1,3,3-tetraMethyldisiloxane	FD39984	10g	$140
{[Dimethyl(phenyl)silyl]oxy}dimethylphenylsilane	OR303373	25g	$153
1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane	0669CA	25g	$165
1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane	6685-1-02	25g	$168
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1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane Properties

Melting point	-89°C
Boiling point	155 °C
Density	0.976
refractive index	1.52
Flash point	156°C
storage temp.	2-8°C
form	liquid
color	Colorless to Almost colorless
Specific Gravity	0.976
λmax	259nm(Cyclohexane)(lit.)
Hydrolytic Sensitivity	1: no significant reaction with aqueous systems
InChI	InChI=1S/C16H22OSi2/c1-18(2,15-11-7-5-8-12-15)17-19(3,4)16-13-9-6-10-14-16/h5-14H,1-4H3
InChIKey	YQJPWWLJDNCSCN-UHFFFAOYSA-N
SMILES	[Si](C)(C)(C1=CC=CC=C1)O[Si](C)(C)C1=CC=CC=C1
CAS DataBase Reference	56-33-7(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	9X93JM12WM
EPA Substance Registry System	Disiloxane, 1,1,3,3-tetramethyl-1,3-diphenyl- (56-33-7)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P280-P261

Hazard Codes

Risk Statements

36/37/38

Safety Statements

24/25-36-26

RTECS

JM9236000

TSCA

TSCA listed

HS Code

29319090

NFPA 704

	1
2		0

1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane price More Price(22)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	T3348	1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane >98.0%(GC)	56-33-7	5g	$113	2025-07-31	Buy
Biosynth Carbosynth	FD39984	1,3-Diphenyl-1,1,3,3-tetraMethyldisiloxane	56-33-7	10g	$140	2021-12-16	Buy
Apolloscientific	OR303373	{[Dimethyl(phenyl)silyl]oxy}dimethylphenylsilane	56-33-7	25g	$153	2021-12-16	Buy
AK Scientific	0669CA	1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane	56-33-7	25g	$165	2021-12-16	Buy
SynQuest Laboratories	6685-1-02	1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane	56-33-7	25g	$168	2021-12-16	Buy

Product number	Packaging	Price	Buy
T3348	5g	$113	Buy
FD39984	10g	$140	Buy
OR303373	25g	$153	Buy
0669CA	25g	$165	Buy
6685-1-02	25g	$168	Buy

1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane Chemical Properties,Uses,Production

Chemical Properties

Colorless or yellowish transparent liquid

Definition

ChEBI: 1,3-diphenyltetramethyldisiloxane is an organosiloxane.

Safety Profile

Experimental reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes.

1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane synthesis

Synthesis of 1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane from PHENYLDIMETHYLETHOXYSILANE

1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane Preparation Products And Raw materials

Raw materials

Chlorodimethylphenylsilane PHENYLDIMETHYLETHOXYSILANE Carbon dioxide Dimethylphenylsilane Methyl 4-formylbenzoate

Toluene 4-Chlorobenzaldehyde

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Preparation Products

3-(Trifluoromethyl)benzaldehyde 1,3-Di(p-tolyl)-1,1,3,3-tetramethyldisiloxane, 97% DIMETHYLPHENYLSILANOL Formic acid Benzyl ether

1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane Suppliers

Global( 126)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Changzhou Pesan Chemical Co.,Ltd.	+8615921661320	zhangk@pesanchem.com	China	1000	58
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD	+86-13017695106 +86-13676922317	jiuyitime@fdachem.com	China	16513	58
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	13635	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21597	55
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	33024	60
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29795	58
Hubei Co-Formula Material Tech Co., Ltd.	+86-27-84459282	sales@cfmats.com	CHINA	882	58
Shaanxi Dideu Medichem Co. Ltd	+86-29-87569266 +86-17392581500	1015@dideu.com	China	3986	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 +8617705817739	info@dycnchem.com	China	52846	58

Supplier	Advantage
Changzhou Pesan Chemical Co.,Ltd.	58
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD	58
Shanghai Daken Advanced Materials Co.,Ltd	58
Henan Tianfu Chemical Co.,Ltd.	55
ATK CHEMICAL COMPANY LIMITED	60
career henan chemical co	58
Hubei Co-Formula Material Tech Co., Ltd.	58
Shaanxi Dideu Medichem Co. Ltd	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Dayang Chem (Hangzhou) Co.,Ltd.	58

View Lastest Price from 1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-12-23	1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane 56-33-7	US $0.00-0.00 / KG	1KG	0.99	1 ton	Changzhou Pesan Chemical Co.,Ltd.
2025-10-13	1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane 56-33-7	US $1.10-9.90 / kg	1kg	99%min	100kg	ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
2019-12-29	1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane 56-33-7	US $1.00 / g	1g	Min98% HPLC	g/kg/ton	Career Henan Chemical Co

1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane
56-33-7
US $0.00-0.00 / KG
0.99
Changzhou Pesan Chemical Co.,Ltd.

1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane
56-33-7
US $1.10-9.90 / kg
99%min
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane
56-33-7
US $1.00 / g
Min98% HPLC
Career Henan Chemical Co

1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane Spectrum

1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane(56-33-7)¹HNMR

56-33-7(1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane)Related Search:

1,1,3,3-Tetramethyldisiloxane 1,3-DIVINYL-1,3-DIPHENYL-1,3-DIMETHYLDISILOXANE DIVINYLTETRAPHENYLDISILOXANE 1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane HEXAPHENYLDISILOXANE

1,1,3,3-TETRAPHENYL-1,3-DIMETHYLDISILOXANE 1,3-Bis(4-methoxyphenyl)-1,1,3,3-tetramethyldisiloxane, 97%

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1,3-DIPHENYLTETRAMETHYLDISILOXANE 1,3-DIPHENYL-1,1,3,3-TETRAMETHYLDISILOXANE 1,1,3,3-tetramethyl-1,3-diphenyl-disiloxan 1,1,3,3-tetramethyl-1,3-diphenyl-Disiloxane Diphenyltetramethyldisiloxane. 1,3-Diphenl-1,1,3,3-tetramethyl-disiloxane Tetramethyldiphenyldisiloxane 1,3-diphenyl-1,1,3,3-tetramethyl-disiloxan bis(dimethylphenylsilyl)ether bis(dimethylphenylsilyl)oxide Bis(phenyldimethylsilyl)oxide d6190 Diphenyltetramethyldisiloxane Disiloxane, 1,1,3,3-tetramethyl-1,3-diphenyl- Disiloxane, 1,3-diphenyl-1,1,3,3-tetramethyl- Sym-tetramethyl-diphenyl-disiloxane Tetramethyl-1,3-diphenyldisiloxane {[Dimethyl(phenyl)silyl]oxy}dimethylphenylsilane 1,1,3,3-Tetramethyl-1,3-diphenylpropanedisiloxane Bis(phenyldimethylsilyl) ether Oxybis(phenyldimethylsilane) NSC 96791 sym-Diphenyltetramethyldisiloxane TIANFU-CHEM - 1,3-DIPHENYL-1,1,3,3-TETRAMETHYLDISILOXANE DK333 DKFELEX0209 DKSI134 56-33-7 C16H22OSi2 Industrial/Fine Chemicals Siloxanes