1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane

Modify Date: 2024-01-01 22:31:24

1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane Structure
1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane structure
Common Name 1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane
CAS Number 56-33-7 Molecular Weight 286.516
Density 1.0±0.1 g/cm3 Boiling Point 314.4±9.0 °C at 760 mmHg
Molecular Formula C16H22OSi2 Melting Point -89°C
MSDS N/A Flash Point 118.2±19.1 °C

 Names

Name 1,3-diphenyltetramethyldisiloxane
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 314.4±9.0 °C at 760 mmHg
Melting Point -89°C
Molecular Formula C16H22OSi2
Molecular Weight 286.516
Flash Point 118.2±19.1 °C
Exact Mass 286.120911
PSA 9.23000
LogP 6.46
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.520
Storage condition 2~8°C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
JM9236000
CHEMICAL NAME :
Disiloxane, 1,3-diphenyl-1,1,3,3-tetramethyl-
CAS REGISTRY NUMBER :
56-33-7
BEILSTEIN REFERENCE NO. :
2943229
LAST UPDATED :
199709
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C16-H22-O-Si2
MOLECULAR WEIGHT :
286.56
WISWESSER LINE NOTATION :
1-SI-1&R&O-SI-1&1&R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
700 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

 Safety Information

Hazard Codes Xi
Risk Phrases 36/37/38
Safety Phrases S24/25-S36-S26
RTECS JM9236000
HS Code 2934999090

 Synthetic Route

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1,1,3,3-TETRAMETHYL-1,3-DIPHENYL-DISILOXANE
1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane
EINECS 200-265-4
MFCD00039793
Benzene, 1,1'-(1,1,3,3-tetramethyl-1,3-disiloxanediyl)bis-
[dimethyl(phenyl)silyl]oxy-dimethyl-phenylsilane
1,3-Diphenyl-1,1,3,3-Tetramethyl Disiloxane