Dichloromethylsilane Dichloromethylsilane

Dichloromethylsilane structural formula

Dichloromethylsilane structural formula

Structural formula

Business number 01JQ
Molecular formula CH4Cl2Si
Molecular weight 115.03
label

Methyldichlorosilane,

Monomethyldichlorosilane,

Dow Corning® product Z-1218,

Methyldichlorosilane,

CH3SiHCl2

Numbering system

CAS number:75-54-7

MDL number:MFCD00000494

EINECS number:200-877-1

RTECS number:VV3500000

BRN number:1071194

PubChem number:24867579

Physical property data

1. Properties: colorless liquid, smokes in humid air, has a pungent odor, and is easy to deliquesce. [1]

2. Melting point (℃): -93[2]

3. Boiling point (℃): 41.9[3]

4. Relative density (water = 1): 1.105[4]

5. Relative vapor Density (air=1): 4.0[5]

6. Saturated vapor pressure (kPa): 46.78 (20℃)[6]

7. Critical pressure (MPa): 3.95[7]

8. Octanol/water partition coefficient: 1.70[8]

9. Flash point (℃): -32.22; -9 (CC) [9]

10. Ignition temperature (℃) :290[10]

11. Explosion upper limit (%): 55.0[11]

12. Explosion lower limit ( %): 2.4[12]

13. Solubility: soluble in benzene, ether, and heptane. [13]

Toxicological data

1. Skin/eye irritation

Standard Draize test: rabbit, skin contact: 2mg/24H; severity of reaction: severe.

Standard Draize test: Rabbit, eye contact: 24mg/24H; severity of reaction: moderate.

2. Acute toxicity: Rat oral LD50: 2830μL/kg; rat inhalation LC50: 300ppm/4H.

3. Acute toxicity[14]

LD50: 2830μl (3113mg)/kg (rat oral)

LC50: 300ppm (rat inhalation, 4h)

4. Irritation[15]

Rabbit transdermal: 2mg (24h), severe stimulation.

Rabbit eye: 20mg (24h), moderate irritation.

Ecological data

1. Slightly harmful to water, avoid undiluted or large amounts of product coming into contact with groundwater, waterways or sewage systems.

2. Ecotoxicity No information available

3. Biodegradability No information available

4. Non-biodegradability No information available

Molecular structure data

1. Molar refractive index: not available

2. Molar volume (cm3/mol): not available

3. etc. Zhang specific volume (90.2K): None available

4. Surface tension (dyne/cm): None available

5. Dielectric constant: None available

6. Polarizability (10-24cm3): None available

7. Single isotope mass: 113.945932 Da

8. Standard��Mass: 114 Da

9. Average mass: 115.034 Da

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: 4

8. Surface charge: 0

9. Complexity: 13.5

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. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

1. Stability[16] Stable

2. Incompatible substances [17] Strong oxidants, acids, water

3. Conditions to avoid contact[18] Humid air

4. Polymerization hazard[19] No Polymerization

5. Decomposition products[20] Hydrogen chloride

Storage method

Storage Precautions[21] Store in a cool, dry and well-ventilated dedicated warehouse. Keep away from fire and heat sources. The storage temperature does not exceed 32°C and the relative humidity does not exceed 75%. The packaging must be sealed and protected from moisture. They should be stored separately from oxidants, acids, 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

None

Purpose

1. Used to prepare hydrogenated silicone oil, also used for fabric treatment, waterproofing agent, etc.

2. Used in the manufacture of silicone compounds. [22]

BDMAEE:Bis (2-Dimethylaminoethyl) Ether

CAS NO:3033-62-3

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