Dichlorodiphenylsilane

Description

Dichlorodiphenylsilane · CAS 80-10-4 · C12H10Cl2Si. UNII 08811ZE689. Boiling Point: 579 °F at 760 mmHg (USCG, 1999); Boiling Point: 305 °C; Boiling Point: 305 °C @760 [mm Hg].

Identification

CAS Registry Number	80-10-4
PubChem CID	6627
Molecular formula	C12H10Cl2Si
IUPAC name	dichloro(diphenyl)silane
UNII (FDA)	08811ZE689

Computed Descriptors

Molecular Weight	253.19
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	2
Exact Mass	251.9928822
Monoisotopic Mass	251.9928822
Topological Polar Surface Area	0
Heavy Atom Count	15
Formal Charge	0
Complexity	174

Physical & Chemical Properties

Boiling Point	579 °F at 760 mmHg (USCG, 1999)
Boiling Point	305 °C
Boiling Point	305 °C @760 [mm Hg]
Melting Point	-22 °C
Melting Point	-20 °C
Flash Point	288 °F (USCG, 1999)
Flash Point	288 °F (142 °C) CC
Density	1.204 g/cu cm at 25 °C
Density	Density: 1.19 at 20 °C
Density	1.204 @25 °C

Physical description & handling notes

• Diphenyldichlorosilane is a colorless liquid with a pungent odor. It will burn though it may require some effort to ignite. It is decomposed by water to hydrochloric acid with evolution of heat. It is corrosive to metals and tissue.
• Liquid
• Colorless liquid; [Hawley]
• Colorless liquid
• SHARP, HYDROCHLORIC ACID-LIKE; PUNGENT
• Soluble in ethanol, ethyl ether, acetone, carbon tetrachloride and benzene

Regulatory Status

GHS notification summary	75.6% (442 / 585)

GHS Hazard Classification

GHS notification summary	75.6% (442 / 585)
Reported hazard statements	H314 (24.4%), H411 (14.5%), H310, H318, H371

Documented Uses

• Used as intermediate for silicone lubricant and dimethyldiloxane oligomers; [HSDB]
• Toxic Gas from Spilling Chemical in Water [Category: Other]
• Intermediate for silicone lubricants
• Production of dimethyldiloxane oligomers
• Reaction of powdered silicon and chlorobenzene in the presence of copper powder as catalyst.
• Reaction of phenylmagnesium chloride with silicon tetrachloride.

Synonyms

DICHLORODIPHENYLSILANE; Diphenyldichlorosilane; 80-10-4; Silane, dichlorodiphenyl-; Dichloro(diphenyl)silane; Diphenylsilicon dichloride; Diphenylsilyl dichloride; Dichlor-difenylsilan; Diphenyl dichlorosilane; TSL 8062; DTXSID2026494; Benzene, 1,1'-(dichlorosilylene)bis-; NSC-77110; DTXCID706494; 08811ZE689; RefChem:7217

Frequently Asked Questions

What are the CAS number and molecular formula of Dichlorodiphenylsilane?

CAS 80-10-4; molecular formula C12H10Cl2Si; molecular weight — g/mol.

What other names is Dichlorodiphenylsilane known by?

DICHLORODIPHENYLSILANE, Diphenyldichlorosilane, 80-10-4, Silane, dichlorodiphenyl-, Dichloro(diphenyl)silane, Diphenylsilicon dichloride.

Is Dichlorodiphenylsilane classified as hazardous?

75.6% of GHS notifications report no hazard classification (442 of 585).

What are the key physical properties of Dichlorodiphenylsilane?

Boiling Point: 579 °F at 760 mmHg (USCG, 1999); Boiling Point: 305 °C; Boiling Point: 305 °C @760 [mm Hg]; Melting Point: -22 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.