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Substance Name: Dodecamethylcyclohexasiloxane
RN: 540-97-6
UNII: XHK3U310BA
InChIKey: IUMSDRXLFWAGNT-UHFFFAOYSA-N

Molecular Formula

  • C12-H36-O6-Si6

Molecular Weight

  • 444.926
 
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Names and Synonyms

Name of Substance

  • Dodecamethylcyclohexasiloxane

Synonyms

  • Dodecamethylcyclohexasiloxane
  • EC 208-762-8
  • EINECS 208-762-8
  • HSDB 7723
  • UNII-XHK3U310BA

Systematic Names

  • Cyclohexasiloxane, 2,2,4,4,6,6,8,8,10,10,12,12-dodecamethyl-
  • Cyclohexasiloxane, dodecamethyl-
  • Dodecamethylcyclohexasiloxane

Superlist Names

  • Cyclohexasiloxane, dodecamethyl-
  • Dodecamethylcyclohexasiloxane

Registry Numbers

CAS Registry Number

  • 540-97-6

FDA UNII

  • XHK3U310BA

System Generated Number

  • 0000540976

Structure Descriptors

InChI

1S/C12H36O6Si6/c1-19(2)13-20(3,4)15-22(7,8)17-24(11,12)18-23(9,10)16-21(5,6)14-19/h1-12H3

InChIKey

IUMSDRXLFWAGNT-UHFFFAOYSA-N

Smiles

[Si]1(O[Si](O[Si](O[Si](C)(C)O[Si](O[Si](O1)(C)C)(C)C)(C)C)(C)C)(C)C

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral > 50gm/kg (50000mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION
National Technical Information Service. Vol. OTS0572798,

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -3.00E+00 deg C   EXP
Boiling Point 245 deg C   EXP
log P (octanol-water) 6.330 (none)   EST
Water Solubility 0.0051 mg/L 25 EXP
Vapor Pressure 0.0225 mm Hg 25 EXP
Henry's Law Constant 0.105 atm-m3/mole 23 EXP
Atmospheric OH Rate Constant 1.80E-12 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.