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Substance Name: Dimethyldichlorosilane
RN: 75-78-5
UNII: 8TSJ92JX69
InChIKey: LIKFHECYJZWXFJ-UHFFFAOYSA-N

Molecular Formula

  • C2-H6-Cl2-Si

Molecular Weight

  • 129.061
 

Classification Codes

Classification Code

  • Skin / Eye Irritant

Superlist Classification Code

  • Threshold Planning Quantity (TPQ) = 500 lb
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Names and Synonyms

Name of Substance

  • Dichlorodimethylsilane
  • Dimethyldichlorosilane

Synonyms

  • 4-04-00-04111 (Beilstein Handbook Reference)
  • AI3-51462
  • BRN 0605287
  • CCRIS 783
  • Dichlorodimethylsilane
  • Dichlorodimethylsilicon
  • Dimethyl-dichlorsilan
  • Dimethyl-dichlorsilan [Czech]
  • Dimethyldichlorosilane
  • Dimethylsilane dichloride
  • EC 200-901-0
  • EINECS 200-901-0
  • HSDB 361
  • Inerton AW-DMCS
  • Inerton dw-dmc
  • LS 130
  • NSC 77070
  • Repel-Silan
  • Silane, dichlorodimethyl-
  • UNII-8TSJ92JX69

Systematic Names

  • Dichloro(dimethyl)silane
  • Dimethyldichlorosilane
  • Silane, dichlorodimethyl-

Superlist Names

  • Dichlorodimethylsilane
  • Dimethyldichlorosilane
  • Dimethyldichlorosilane [UN1162] [Flammable liquid]
  • Silane, dichlorodimethyl-
  • UN1162

Registry Numbers

CAS Registry Number

  • 75-78-5

FDA UNII

  • 8TSJ92JX69

System Generated Number

  • 0000075785

Structure Descriptors

InChI

1S/C2H6Cl2Si/c1-5(2,3)4/h1-2H3

InChIKey

LIKFHECYJZWXFJ-UHFFFAOYSA-N

Smiles

[Si](C)(C)(Cl)Cl

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LC50 inhalation 300mg/m3/2H (300mg/m3)   Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 3, Pg. 23, 1961.
rat LC50 inhalation 930ppm/4H (930ppm)   "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1219, 1986.
rat LD50 oral 5660uL/kg (5.66mL/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LIVER: OTHER CHANGES
Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 12, Pg. 573, 1993.
rat LDLo intraperitoneal 10mg/kg (10mg/kg)   Journal of Industrial Hygiene and Toxicology. Vol. 30, Pg. 332, 1948.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -1.60E+01 deg C   EXP
Boiling Point 70.3 deg C   EXP
log P (octanol-water) 2.240 (none)   EST
Water Solubility 1120 mg/L 25 EST
Vapor Pressure 144 mm Hg 25 EXP
Henry's Law Constant 0.019 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.99E-13 cm3/molecule-sec 25 EST

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