Diphenyldimethoxysilane

HCID 81284
NotesReactions
Substructure searchFind similar structures

Basic information

CAS
6843-66-9
Standard SMILES
CO[Si](OC)(c1ccccc1)c1ccccc1
InChIKey
AHUXYBVKTIBBJW-UHFFFAOYSA-N
Molecular formula
C14H16O2Si
Average molar mass
244.36 g/mol
Monoisotopic mass
244.09195628

Names & identifiers

Preferred name
Diphenyldimethoxysilane
IUPAC
dimethoxy(diphenyl)silane
English name
Diphenyldimethoxysilane
Molecular formula
C14H16O2Si
Molecular weight
244.36

Names & synonyms

DimethoxydiphenylsilaneDiphenyldimethoxysilane6843-66-9KBM 202KBM 202LS5300TSL 8172NSC-93509DPDMS cpdBenzene, 1,1'-(dimethoxysilylene)bis-02QB6788GCZ 6074RefChem:588070
Show more names
DMDPSDPDMSz6074kbm202HD-129KH-621CD6010DPMDMStsl8172
229-929-1Silane, dimethoxydiphenyl-dimethoxy(diphenyl)silaneMFCD00025690C14H16O2SiDTXSID2044717NSC93509NCGC00357261-01

Database identifiers

CAS
6843-66-9
PubChem CID
81284
DTXSID
DTXSID2044717
ChEMBL
CHEMBL3560757
UNII
02QB6788GC
EC Number
229-929-1
Nikkaji
J130.543C

Properties

Computed structural properties

Topological polar surface area
18.5 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
2
Rotatable bonds
4
Heavy atoms
17

Experimental & physicochemical properties

Chemical ClassesMetals -> Metalloid Compounds (Silicon)
SpringerMaterials PropertiesOptical coefficient
Boiling Point286 °C @760 [mm Hg]
Physical Description · 2 items

Liquid

Colorless liquid; [Alfa Aesar MSDS]

Physicochemical properties

Melting point
0 °C · <0°C
Boiling point
161 °C15 · 161 °C15 mm Hg(lit.)
Density
1.08 g/mL · 1.08 g/mL at 20 °C(lit.)
vapor pressure
0.03 Pa · 0.03Pa at 25℃
refractive index
20 · n20/D 1.541
Flash point
121 °C · 121°C

Safety & regulation

GHS classification

GHS Classification · 4 items

Warning

H315 (99.5%): Causes skin irritation [Warning Skin corrosion/irritation]

P264, P273, P280, P302+P352, P321, P332+P317, P362+P364, P391, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 190 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 4 items

Chemical: Silane, dimethoxydiphenyl-

Benzene, 1,1'-(dimethoxysilylene)bis- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Benzene, 1,1'-(dimethoxysilylene)bis- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 13-04-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/10957

Benzene, 1,1'-(dimethoxysilylene)bis-: 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; [Alfa Aesar MSDS] See Dimethoxydimethylsilane.
Hazard Classes and CategoriesSkin Irrit. 2 (99.5%)

Safety & protection

Protective Action Criteria (PAC) · 3 items

6.0 [mg/m3]

66 [mg/m3]

400 [mg/m3]

Toxicology

Toxicity DataLC (rat) > 42 mg/m3/4hr

Safety data

F
10-21
PPE
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
wgk
2
tsca
TSCA listed
rtecs
VV3643332
hs_code
29319090

Chemistry & industry

Uses & manufacturing

U.S. Production2023: 75,000 - <500,000 lb
Industry UsesAdhesion/cohesion promoter
General Manufacturing Information · 2 items

Synthetic Rubber Manufacturing

Benzene, 1,1'-(dimethoxysilylene)bis-: ACTIVE

Applications · 3 items

UsesReagent for preparation of diphenylsilylene derivatives of diols by exchange.

UsesDMDPS may be useful as a precursor to prepare silica.{58} Itmay be used in lithium ion batteries as an electrolyte additive. It prevents the batteries from overcharging.{59}

General DescriptionDimethoxydiphenylsilane (DMDPS, DDS) is an acetylating reagent.{57}

Upstream & downstream products

Downstream products

Suppliers100 total

梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
杭州大地化工有限公司0571-82699306 13906719152 · [email protected]
河北创海生物科技有限公司+86-86-13131129325 · [email protected]
爱斯特（成都）生物制药股份有限公司+86-28-85122536 85324413 · [email protected]

Related reactions

1 records
New reaction record

Compound notes

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