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17156-72-8

17156-72-8 structure

17156-72-8 structure

Name: 2,2,4,4,6,6-hexamethyl-8-phenyl-1,3,5,7,2,4,6,8λ3-tetraoxatetrasilocane
Chemical Name: 2,2,4,4,6,6-hexamethyl-8-phenyl-1,3,5,7,2,4,6,8λ3-tetraoxatetrasilocane
CAS Number: 17156-72-8
Molecular Formula: C₁₂H₂₃O₄Si₄
Molecular Weight: 343.65100
Create Date: 2017-11-16 14:37:50
Modify Date: 2025-10-09 12:50:32

Name	2,2,4,4,6,6-hexamethyl-8-phenyl-1,3,5,7,2,4,6,8λ3-tetraoxatetrasilocane
Synonyms	2,2,4,4,6,6-Hexamethyl-8-phenyl-cyclotetrasiloxan 2,2,4,4,6,6-Hexamethyl-8-phenylcyclotetrasiloxane 2,2,4,4,6,6-hexamethyl-8-phenyl-1,3,5,7,2,4,6,8 CYCLOTETRASILOXANE,2,2,4,4,6,6-HEXAMETHYL-8-PHENYL 2,2,4,4,6,6-hexamethyl-8-phenyl-1,3,5,7,2,4,6,8-tetroxatetrasilocane

Molecular Formula	C₁₂H₂₃O₄Si₄
Molecular Weight	343.65100
Exact Mass	343.06700
PSA	36.92000
LogP	2.56720

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GZ4395000

CHEMICAL NAME :: Cyclotetrasiloxane, 2,2,4,4,6,6-hexamethyl-8-phenyl-

CAS REGISTRY NUMBER :: 17156-72-8

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C12-H24-O4-Si4

MOLECULAR WEIGHT :: 344.72

WISWESSER LINE NOTATION :: T8-SI-O-SI-O-SI-O-SI-HOJ A1 A1 C1 C1 E1 E1 GR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 70 mg/kg

SEX/DURATION :: male 7 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 21,55,1972

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 30 mg/kg

SEX/DURATION :: female 3 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - uterus, cervix, vagina

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 21,68,1972

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