Dichloroacetyl chloride Dichloroacetyl chloride

Dichloroacetyl chloride structural formula

Structural formula

Business number 01PS
Molecular formula C2HCl3O
Molecular weight 174.39
label

dichloroacetyl chloride,

Aliphatic carboxylic acids and their derivatives

Numbering system

CAS number:79-36-7

MDL number:MFCD00000840

EINECS number:201-199-9

RTECS number:AO6650000

BRN number:1209426

PubChem number:24893840

Physical property data

1. Properties: colorless, irritating liquid

2. Density (g/mL, 25/4℃): 1.5315 (16/4℃)

3. Relative density (20℃, 4℃): 1.531516

4. Liquid phase standard hot melt (J·mol-1·K-1): 154.2

5. Boiling point (ºC, normal pressure): 108℃

6. Refractive index at room temperature (n20): 1.4591

7. Refractive index: 1.4591

8. Solubility parameter (J·cm-3)0.5:19.942

9. van der Waals area (cm2·mol-1): 7.610×109

10. van der Waals volume (cm3·mol-1): 54.580

11. Vapor pressure (kPa , 25ºC): Uncertain

12. Saturated vapor pressure (kPa, 60ºC): Uncertain

13. Heat of combustion (KJ/mol): Uncertain

14. Critical temperature (ºC): Uncertain

15. Critical pressure (KPa): Uncertain

16. Log value of oil-water (octanol/water) partition coefficient : Uncertain

17. Explosion upper limit (%, V/V): Uncertain

18. Explosion lower limit (%, V/V): Uncertain

19. Solubility: miscible with ether, will decompose when exposed to water and alcohol, and will smoke in the air.

Toxicological data

1. Acute toxicity

Rat caliber LD50: 2460mg/kg; rat inhalation LC50: 200ppm/4H;

Rabbit skin LD50: 650 uL/kg;

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2. Neurotoxicity

Rabbit skin test: 2mg/24HREACTION; Rabbit eye test: 50ug/24HREACTION

3. Chronic toxicity/carcinogenicity:

Mouse subcutaneous TDL0: 2mg/kg/80W-I;

4. Teratogenicity

Salmonella: 1mg/plate

Ecological data

None yet

Molecular structure data

1. Molar refractive index: 25.85

2. Molar volume (cm3/mol): 93.1

3. Isotonic specific volume (90.2K ): 229.4

4. Surface tension (dyne/cm): 36.7

5. Polarizability (10-24cm3): 10.24

Calculate chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 2.1

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 1

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: none

6. Topological molecule polar surface area 17.1

7. Number of heavy atoms: 6

8. Surface charge: 0

9. Complexity: 59.8

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

This product is highly irritating. Rat oral LD502.46g/kg. The production workshop should be well ventilated and the production equipment should be airtight. Operators should wear protective equipment and pay attention to eye and skin protection.
 

Storage method

This product should be sealed and stored in a cool, dark place. Store tightly in a brown glass bottle, protected by a wooden box, protected from sun and moisture, and stored in a cool, dry and ventilated place. Store and transport according to regulations on irritating substances.

Synthesis method

A variety of process routes can be used in the preparation method. It can be produced by the reaction of dichloroacetic acid and chlorosulfonic acid, the reaction of chloroform and carbon monoxide under the catalysis of anhydrous aluminum trichloride, the reaction of dichloroacetic acid and phosgene in dimethylformamide, and the oxidation of trichlorethylene. This product. Heat trichlorethylene and azobisisobutyronitrile (catalyst) to 100°C, introduce oxygen, react under a pressure of 0.6MPa, maintain the oil bath temperature at 110°C, react for 10 hours, and evaporate the product dichloroethyl under normal pressure. acid chloride. The by-product of this reaction, trichloroethylene oxide, can also be converted into dichloroacetyl chloride by reacting with amine compounds such as methylamine, triethylamine, and pyridine.

Purpose

Used in the synthesis of vinyl insecticides, and also used in wool felt milling finishing, bleaching, decolorization, preservation, sterilization, disinfection, etc.

BDMAEE:Bis (2-Dimethylaminoethyl) Ether

CAS NO:3033-62-3

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