1,3-Diphenyltetramethyldisiloxane

HCID 5945CAS 56-33-7
Substructure searchFind similar structures

Basic information

Standard SMILES
C[Si](C)(O[Si](C)(C)c1ccccc1)c1ccccc1
InChIKey
YQJPWWLJDNCSCN-UHFFFAOYSA-N
Molecular formula
C16H22OSi2
Average molar mass
286.51 g/mol
Monoisotopic mass
286.12091838

Overview

1,3-diphenyltetramethyldisiloxane is an organosiloxane.

Names & identifiers

Preferred name
1,3-Diphenyltetramethyldisiloxane
IUPAC
[dimethyl(phenyl)silyl]oxy-dimethyl-phenylsilane
English name
1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane
Molecular formula
C16H22OSi2
Molecular weight
286.52

Names & synonyms

1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane1,3-Diphenyltetramethyldisiloxane1,3-Diphenyl-1,1,3,3-tetramethyldisiloxaneDisiloxane, 1,1,3,3-tetramethyl-1,3-diphenyl-DiphenyltetramethyldisiloxaneEINECS 200-265-4UNII-9X93JM12WMNSC 96791BRN 29432299X93JM12WMDTXSID8022537CHEBI:34061
Show more names
d6190DK333DKSI134DKFELEX0209Oxybis(phenyldimethylsilane)TetramethyldiphenyldisiloxaneBis(phenyldimethylsilyl)oxidebis(dimethylphenylsilyl)oxidebis(dimethylphenylsilyl)ether
1,1,3,3-tetramethyl-1,3-diphenyldisiloxanBIS(DIMETHYLPHENYLSILYL) ETHERBIS(PHENYLDIMETHYLSILYL) OXIDENSC-967914-16-00-01475 (Beilstein Handbook Reference)BIS(DIMETHYLPHENYLSILYL) OXIDESYM-DIPHENYLTETRAMETHYLDISILOXANED-6190

Database identifiers

CAS
56-33-7
PubChem CID
5945
DTXSID
DTXSID8022537
ChEBI
CHEBI:34061
UNII
9X93JM12WM
EC Number
200-265-4
Nikkaji
J87.551A

Properties

Computed structural properties

Topological polar surface area
9.2 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
1
Rotatable bonds
4
Heavy atoms
19

Experimental & physicochemical properties

Chemical ClassesMetals -> Metalloid Compounds (Silicon)
CosmeticsEmollient
SpringerMaterials Properties29Si nuclear magnetic resonance spectrum
Vapor Pressure0.000202 [mmHg]
Physical DescriptionClear colorless liquid; [Sigma-Aldrich MSDS]

Physicochemical properties

Melting point
-89 °C · -89°C
Boiling point
155 °C · 155 °C
Density
0.976 · 0.976
refractive index
1.52 · 1.52
Flash point
156 °C · 156°C
storage temp.
2 · 2-8°C

Safety & regulation

GHS classification

GHS Classification · 5 items

This chemical does not meet GHS hazard criteria for 2.4% (1 of 42) of reports.

Warning

H315 (95.2%): Causes skin irritation [Warning Skin corrosion/irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 42 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory InformationDisiloxane, 1,1,3,3-tetramethyl-1,3-diphenyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazards SummaryA skin and strong eye irritant; [Sigma-Aldrich MSDS] See Octamethyltrisiloxane.
Hazard Classes and CategoriesSkin Irrit. 2 (95.2%)

Safety data

tsca
TSCA listed
rtecs
JM9236000
hs_code
29319090
risk_code
36/37/38
Signal word
Warning
Symbol(GHS)
GHS07

Chemistry & industry

Uses & manufacturing

Use ClassificationCosmetics -> Emollient
General Manufacturing InformationDisiloxane, 1,1,3,3-tetramethyl-1,3-diphenyl-: ACTIVE

Upstream & downstream products

Suppliers50 total

梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
上海炎泽化工有限公司15345144255 19975051755 · [email protected]
Junwee Chemical co., Ltd.+86-571-85808636 +86-13958122542 · [email protected]
Dayang Chem (Hangzhou) Co.,Ltd.+86-0571-88938639 17705817739 · [email protected]
毕佳索（上海毕得医药科技股份有限公司）400-6005915 · [email protected]

Additional notes

DefinitionChEBI: 1,3-diphenyltetramethyldisiloxane is an organosiloxane.

Related reactions

2 records
New reaction record

Linked notes

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