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Cas Database |
| Name |
Chloromethyldimethylethoxysilane |
EINECS | N/A |
| CAS No. | 13508-53-7 | Density | 0.927g/cm3 |
| PSA | 9.23000 | LogP | 2.42430 |
| Solubility | N/A | Melting Point |
N/A |
| Formula | C5H13 Cl O Si | Boiling Point | 129.6°Cat760mmHg |
| Molecular Weight | 152.696 | Flash Point | 28.8°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Moderately toxic by ingestion and inhalation. A skin and eye irritant. When heated to decomposition it emits toxic fumes of Cl−. | Risk Codes | 10-22-37/38-41 |
| Molecular Structure |
|
Hazard Symbols |
|
| Synonyms |
(Chloromethyl)dimethylethoxysilane;(Chloromethyl)ethoxydimethylsilane; NSC 107485 |
Article Data | 13 |
Chloromethyldimethylethoxysilane Chemical Properties
IUPAC Name: Chloromethyl-ethoxy-dimethylsilane
Synonyms of Chloromethyldimethylethoxysilane (CAS NO.13508-53-7): (Chloromethyl)dimethylethoxysilane ; Chloromethyl-ethoxy-dimethylsilane ; Dimethyl-chlormethyl-ethoxysilan ; Silane, (chloromethyl)ethoxydimethyl- ; Silane, (dimethyl(chloromethyl)ethoxy)-
CAS NO: 13508-53-7
Molecular Formula: C5H13ClOSi
Molecular Weight : 152.694620 g/mol
Molecular Structure: 
EINECS: 236-835-4
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 3
Polar Surface Area: 9.23 Å2
Index of Refraction: 1.407
Molar Refractivity: 40.52 cm3
Molar Volume: 164.5 cm3
Surface Tension: 20 dyne/cm
Density: 0.927 g/cm3
Flash Point: 28.8 °C
Enthalpy of Vaporization: 35.21 kJ/mol
Boiling Point: 129.6 °C at 760 mmHg
Vapour Pressure: 12.3 mmHg at 25°C
Chloromethyldimethylethoxysilane Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LC50 | inhalation | 2560ppm/4H (2560ppm) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1224, 1986. | |
| rat | LD50 | oral | 1550mg/kg (1550mg/kg) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1224, 1986. |
Chloromethyldimethylethoxysilane Consensus Reports
Reported in EPA TSCA Inventory.
Chloromethyldimethylethoxysilane Safety Profile
Hazard Codes: 
Xn
Risk Statements: 10-22-37/38-41
R10: Flammable.
R22: Chloromethyldimethylethoxysilane (CAS NO.13508-53-7) is harmful if swallowed.
R37/38: Irritating to respiratory system and skin.
R41: Risk of serious damage to the eyes.
Safety Statements: 16-26-36
S16: Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
RIDADR UN: 1993 3/PG 3
WGK Germany: 3
RTECS: VV3675000
TSCA: Yes
Moderately toxic by ingestion and inhalation. A skin and eye irritant. When Chloromethyldimethylethoxysilane (CAS NO.13508-53-7) is heated to decomposition, it emits toxic fumes of Cl−.
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