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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
- All
- Classifications
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- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
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/h1-2H3InChIKey
LIKFHECYJZWXFJ-UHFFFAOYSA-NSmiles
[Si](C)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.