Ethyltrichlorosilane Ethyltrichlorosilane

Structural formula

• Numbering system
• Physical property data
• Toxicological data
• Ecological data
• Molecular structure data
• Computing chemical data
• More
  • Properties and Stability
  • Storage method
  • Synthesis method
  • Purpose

Numbering system

CAS number:115-21-9

MDL number:MFCD00000485

EINECS number:204-072-6

RTECS number:VV4200000

BRN number:1361384

PubChem number:24867584

Physical property data

1. Properties: Colorless transparent liquid with pungent odor. ^[1]

2. Melting point (℃): -105.6^[2]

3. Boiling point (℃): 99^[3]

4. Relative density (water = 1): 1.24^[4]

5. Relative vapor Density (air=1): 5.6^[5]

6. Saturated vapor pressure (kPa): 5.32 (28℃)^[6]

7. Critical temperature (℃): 286.8^[7]

8. Critical pressure (MPa): 3.33^[8]

9. Octanol/water partition coefficient: 2.5^[9]

10. Flash point (℃): 22 (OC); 13.9 ( CC) ^[10]

11. Solubility: Soluble in benzene, ether, halogenated hydrocarbons, heptane, perfluoroethylene, etc. ^[11]

Toxicological data

1. Acute toxicity^[12]

LD50: 1330mg/kg (rat oral)

LC50 : 300mg/m³ (mouse inhalation, 2h)

2. Irritation ^[13]

Rabbit transdermal: 500mg (24h), mild stimulation.

Rabbit eye: 250μg (24h), severe irritation.

Ecological data

1. Ecotoxicity No data available

2. Biodegradability No data available

3 .Non-biodegradability No information available

Molecular structure data

1. Molar refractive index: 34.57

2. Molar volume (cm³/mol): 131.4

3. Isotonic specific volume (90.2K ): 286.2

4. Surface tension (dyne/cm): 22.4

5. Polarizability (10^-24cm³): 13.70

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 0

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: none

6. Topological molecule polar surface area 0

7. Number of heavy atoms: 6

8. Surface charge: 0

9. Complexity: 38.5

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Uncertain chemical bond establishmentNumber of ��centers: 0

15. Number of covalent bond units: 1

Properties and stability

1. Stability^[14] Stable

2. Incompatible substances^[15] Strong oxidants, strong alkalis, water, alcohols

3. Conditions to avoid contact^[16] Humid air

4. Polymerization hazard^[17] No polymerization

5. Decomposition products^[18] Hydrogen chloride

Storage method

Storage Precautions^[19] Stored in a cool, dry and well-ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 37°C. The packaging must be sealed and must not come into contact with air. They should be stored separately from oxidants, alkalis, etc. and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials.

Synthesis method

It can be prepared by reacting silicon powder with ethyl chloride in the presence of copper catalyst.

Purpose

Used as an intermediate in the manufacture of silicones. ^[20]