苯基三(三甲基硅氧基)硅烷

Description

Phenyltris(trimethylsiloxy)silane · CAS 2116-84-9 · C15H32O3Si4. UNII S3QI0ZXT5X.

Identification

CAS Registry Number	2116-84-9
PubChem CID	62427
Molecular formula	C15H32O3Si4
IUPAC name	trimethyl-[phenyl-bis(trimethylsilyloxy)silyl]oxysilane
UNII (FDA)	S3QI0ZXT5X

Computed Descriptors

Molecular Weight	372.75
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	7
Exact Mass	372.14285102
Monoisotopic Mass	372.14285102
Topological Polar Surface Area	27.7
Heavy Atom Count	22
Formal Charge	0
Complexity	308

Physical description & handling notes

• Liquid

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Emollient; Antifoaming; Antistatic
GHS notification summary	10.7% (32 / 298)

GHS Hazard Classification

GHS notification summary	10.7% (32 / 298)
Reported hazard statements	H315 (43.3%), H319 (43.6%), H330 (45.3%), H335 (43%)

Documented Uses

• Cosmetics -> Emollient; Antifoaming; Antistatic
• Not Known or Reasonably Ascertainable
• All Other Chemical Product and Preparation Manufacturing
• Trisiloxane, 1,1,1,5,5,5-hexamethyl-3-phenyl-3-[(trimethylsilyl)oxy]-: ACTIVE

Synonyms

1,1,1,5,5,5-Hexamethyl-3-phenyl-3-(trimethylsilyloxy)trisiloxane; DTXSID6051857; RefChem:1051654; DTXCID9030414; 2116-84-9; Phenyltris(trimethylsiloxy)silane; 1,1,1,5,5,5-hexamethyl-3-phenyl-3-((trimethylsilyl)oxy)trisiloxane; Tris(trimethylsiloxy)phenylsilane; trimethyl-[phenyl-bis(trimethylsilyloxy)silyl]oxysilane; C15H32O3Si4; MFCD00053665; Silicone DC 556; S3QI0ZXT5X; DC 556; s21150; CS-0186280

Frequently Asked Questions

What are the CAS number and molecular formula of Phenyltris(trimethylsiloxy)silane?

CAS 2116-84-9; molecular formula C15H32O3Si4; molecular weight — g/mol.

What other names is Phenyltris(trimethylsiloxy)silane known by?

1,1,1,5,5,5-Hexamethyl-3-phenyl-3-(trimethylsilyloxy)trisiloxane, DTXSID6051857, RefChem:1051654, DTXCID9030414, 2116-84-9, Phenyltris(trimethylsiloxy)silane.

What is the regulatory status of Phenyltris(trimethylsiloxy)silane?

Documented regulatory listings: CIR / INCI: Emollient; Antifoaming; Antistatic.

Is Phenyltris(trimethylsiloxy)silane classified as hazardous?

10.7% of GHS notifications report no hazard classification (32 of 298).

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.