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| CAS No.: | 1558-33-4 |
|---|---|
| Name: | Chloromethyldichloromethylsilane |
| Article Data: | 25 |
| Molecular Structure: | |
|
|
|
| Formula: | C2H5Cl3Si |
| Molecular Weight: | 163.506 |
| Synonyms: | (Chloromethyl)dichloromethylsilane;(Chloromethyl)methyldichlorosilane;Dichloro(chloromethyl)methylsilane;LS 110;Methyl(chloromethyl)dichlorosilane;Methyldichloro(chloromethyl)silane;Silane,dichloro(chloromethyl)methyl-; |
| EINECS: | 216-319-5 |
| Density: | 1.243 g/cm3 |
| Melting Point: | <0°C |
| Boiling Point: | 120 °C at 760 mmHg |
| Flash Point: | 35 °C |
| Solubility: | reacts with water |
| Appearance: | Clear to straw liquid |
| Hazard Symbols: |
 C
|
| Risk Codes: | R10;R14;R20;R34 |
| Safety: | 26-36/37/39-45-8-16 |
| Transport Information: | UN 2927 6.1/PG 2 |
| PSA: | 0.00000 |
| LogP: | 2.73230 |
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| Conditions | Yield |
|---|---|
| With chlorine Irradiation; | 98% |
| With chlorine for 3h; Irradiation; visible light; | 89% |
| With chlorine Irradiation.mit UV-Licht in der Dampfphase; |
- 75-78-5
dimethylsilicon dichloride
A
- 1558-31-2
(dichloromethyl)methyldichlorosilane
B
- 1558-33-4
chloromethylmethyldichlorosilane
| Conditions | Yield |
|---|---|
| With chlorine for 15h; Heating; Irradiation; | A 8% B 89% |
| With SO2Cl2 In further solvent(s) boiling of (CH3)2SiCl2 and SO2Cl2 in bromobenzene in presence of dibenzoyl peroxide for a longer period of time;; | |
| With SO2Cl2 In tetrachloromethane boiling of (CH3)2SiCl2 and SO2Cl2 in CCl4 in presence of dibenzoyl peroxide for a longer period of time;; | |
| With SO2Cl2 In chlorobenzene boiling of (CH3)2SiCl2 and SO2Cl2 in chlorobenzene in presence of dibenzoyl peroxide for a longer period of time;; |
- 75-78-5
dimethylsilicon dichloride
A
- 1558-31-2
(dichloromethyl)methyldichlorosilane
B
- 77428-14-9
(Dichloro-methyl-silanyl)-methanesulfonyl chloride
C
- 1558-33-4
chloromethylmethyldichlorosilane
| Conditions | Yield |
|---|---|
| With yttrium(III) chloride; sulfuryl dichloride at 70℃; for 10h; Product distribution; Irradiation; other catalysts (HoCl3,TmCl3); | A 10% B 38% C 42% |
| With sulfuryl dichloride; copper dichloride at 50 - 70℃; Product distribution; Irradiation; various inorganic additives (chlorides and oxychlorides of 32 elements), effect of addition of S; effect of inorganic chlorides and oxychlorides on the photochemical reaction of methylchlorosilanes with SO2Cl2; | A 26 % Spectr. B 8 % Spectr. C 15 % Spectr. |
- 186581-53-3, 908094-01-9
diazomethane
- 75-79-6
Methyltrichlorosilane
- 1558-33-4
chloromethylmethyldichlorosilane
| Conditions | Yield |
|---|---|
| copper In diethyl ether (CH3)SiCl3 and diazomethane in ether above -30°C with Cu powder as catalyst;; | 12% |
| copper(II) sulfate In diethyl ether (CH3)SiCl3 and diazomethane in ether above -30°C with anhyd. CuSO4 as catalyst;; | 12% |
| With diethyl ether; copper(II) sulfate | |
| With diethyl ether; copper |
- 3704-44-7
octamethyltrisilane
A
- 75-77-4
chloro-trimethyl-silane
B
- 1719-57-9
Chloro(chloromethyl)dimethylsilane
C
- 75-78-5
dimethylsilicon dichloride
D
- 1558-33-4
chloromethylmethyldichlorosilane
| Conditions | Yield |
|---|---|
| With tetrachloromethane; Perbenzoic acid; chlorine 1) 80 deg C, 18 h; 2) 5-10 deg C; Multistep reaction; |
- 7782-50-5
chlorine
- 75-78-5
dimethylsilicon dichloride
A
- 1558-31-2
(dichloromethyl)methyldichlorosilane
B
- 4218-23-9
(trichloromethyl)methyldichlorosilane
C
- 1558-33-4
chloromethylmethyldichlorosilane
| Conditions | Yield |
|---|---|
| at 24 - 40℃; UV-Licht.Irradiation; | |
| at 24 - 40℃; UV-Licht.Irradiation; |
- 75-78-5
dimethylsilicon dichloride
A
- 1558-31-2
(dichloromethyl)methyldichlorosilane
B
- 4218-23-9
(trichloromethyl)methyldichlorosilane
C
- 1558-33-4
chloromethylmethyldichlorosilane
| Conditions | Yield |
|---|---|
| With chlorine In not given Irradiation (UV/VIS); (CH3)2SiCl2 and Cl2 at 20-40°C under irradiation of light;; | |
| With Cl2 In not given Irradiation (UV/VIS); (CH3)2SiCl2 and Cl2 at 20-40°C under irradiation of light;; |
- 112746-60-8
dimethylhydrazone of the trimethylsilyl ester of benzoic acid
- 1558-33-4
chloromethylmethyldichlorosilane
| Conditions | Yield |
|---|---|
| In hexane; chloroform at 20℃; for 168000h; | 99% |
- 999-97-3
1,1,1,3,3,3-hexamethyl-disilazane
- 1558-33-4
chloromethylmethyldichlorosilane
A
- 75-77-4
chloro-trimethyl-silane
B
- 135764-55-5
1-Chloro-1-chloromethyl-1,3,3,3-tetramethyl-disilazane
| Conditions | Yield |
|---|---|
| at 20℃; for 24h; | A n/a B 98% |
| Conditions | Yield |
|---|---|
| for 24h; Ambient temperature; | 97% |
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Chemistry
The Molecular Structure of Chloromethyldichloromethylsilane (CAS NO.1558-33-4):
Empirical Formula: C2H5Cl3Si
Molecular Weight: 163.5056
Nominal Mass: 162 Da
Average Mass: 163.5056 Da
Monoisotopic Mass: 161.922609 Da
Index of Refraction: 1.439
Molar Refractivity: 34.57 cm3
Molar Volume: 131.4 cm3
Surface Tension: 22.4 dyne/cm
Density: 1.243 g/cm3
Flash Point: 35 °C
Enthalpy of Vaporization: 34.33 kJ/mol
Boiling Point: 120 °C at 760 mmHg
Vapour Pressure: 18.6 mmHg at 25°C
Water solubility: reacts
IUPAC Name: dichloro-(chloromethyl)-methylsilane
Appearance: Clear to straw liquid
Product Categories: Dichlorosilanes;Si (Classes of Silicon Compounds);Si-Cl Compounds;Silicon Compounds (for Synthesis);Synthetic Organic Chemistry;Alpha Silanes;Chloro Silanes
Synonyms: EINECS 216-319-5 ; Dichloro(chloromethyl)methylsilane ; Silane, dichloro(chloromethyl)methyl- Silane, dichloro(chloromethyl)methyl-
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LC50 | inhalation | 6800mg/m3/4H (6800mg/m3) | LUNGS, THORAX, OR RESPIRATION: DYSPNEA | National Technical Information Service. Vol. OTS0540526, |
Safety Profile
Hazard Codes: 
C
Risk Statements: 10-14-20-35-37-34
R10: Flammable
R14: Reacts violently with water
R20: Harmful by inhalation
R35: Causes severe burns
R37: Irritating to respiratory system
R34: Causes burns
Safety Statements: 26-36/37/39-45-8-16
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S16: Keep away from sources of ignition
RIDADR: UN 2927 6.1/PG 2
WGK Germany: 3
RTECS: VV2160000
F: 10
TSCA: Yes
HazardClass: 3.2
PackingGroup: III