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

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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

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Carbon dioxide
  • Dimethylphenylsilane
  • Chlorodimethylphenylsilane
  • dimethylphenylsilanol
  • Ethoxy(dimethyl)phenylsilane
  • 1,1,2,2-Tetramethyl-1,2-diphenyldisilane
  • Azidotrimethylsilane
  • bis(phenylethynylene)methylphenylsilane
  • allyldimethylphenylsilane

DownStream

  • Dimethylphenylfluorosilane
  • pnb
  • Diphenyldimethylsilane
  • 4-Acetylbiphenyl
  • Dimethylphenylsilanol Sodium Salt
  • dimethylphenylsilanol
  • Chlorodimethylphenylsilane
  • 4-Methoxybiphenyl
  • 3-Phenylpyridine
  • 1,1,2,2-Tetramethyl-1,2-diphenyldisilane

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%

Related Compounds

  • 1,1,3,3-Tetramethyl-1,3-dioctyldisiloxane
  • 1,1,3,3-tetramethyl-1,3-bis(3,3,4,4,5,5,6,6,6-nonafluorohex-1-en-1-yl)disiloxane
  • 1,1,3,3-tetramethyl-1,3-disilinane
  • 1,1,3,3-tetramethyl-1,3-bis[m-(trifluoromethyl)phenyl]disiloxane
  • 1,1,3,3-tetramethyl-1,3-bis(3-phenylpropoxy)disiloxane
  • (1,1,3,3-Tetramethyl-1,3-disiloxanediyl)dimethanol