1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane
Names
[ CAS No. ]:
56-33-7
[ Name ]:
1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane
[Synonym ]:
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
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
Precursor & DownStream
Precursor
DownStream
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%