Epoxy curing agent Knowledge 2,3-Dichlorobenzoic acid 2,3-Dichlorobenzoic acid

2,3-Dichlorobenzoic acid 2,3-Dichlorobenzoic acid

广告位

2,3-Dichlorobenzoic acid structural formula

Structural formula

Business number 013P
Molecular formula C7H4Cl2O2
Molecular weight 191.01
label

Cl2C6H3CO2H

Numbering system

CAS number:50-45-3

MDL number:MFCD00002413

EINECS number:200-039-5

RTECS number:DG6475000

BRN number:1946217

PubChem number:24853491

Physical property data

1. Character: white crystal

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

3. Relative vapor density (g/mL, air =1): Undetermined

4. Melting point (ºC): 168.3 °C (lit.)

5. Boiling point (ºC, normal pressure): Undetermined

6. Boiling point (ºC, 5.2 kPa): Not determined

7. Refractive index: Not determined

8. Flash point (ºC): Not determined

9. Specific rotation (º): Undetermined

10. Autoignition point or ignition temperature (ºC): Undetermined

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

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

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

14. Critical temperature (ºC): Undetermined

15. Critical pressure (KPa): Undetermined

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

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

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

19. Solubility: Slightly soluble in water

Toxicological data

1. Acute toxicity: mouse subcutaneous LD50: 900mg/kg

Ecological data

None

Molecular structure data

1. Molar refractive index: 42.97

2. Molar volume (cm3/mol): 125.8

3. Isotonic specific volume (90.2K ): 341.1

4. Surface tension (dyne/cm): 53.9

5. Polarizability (10-24cm3): 17.03

Compute chemical data

1. Hydrophobic parameter calculation reference value (XlogP): 2.7

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 1

5. Number of tautomers:

6. Topological molecular polar surface area (TPSA): 37.3

7. Number of heavy atoms: 11

8. Surface charge: 0

9. Complexity: 161

10. Number of isotope atoms: 0

11. The number of determined atomic stereocenters: 0

12. The number of uncertain atomic stereocenters: 0

13.��The number of definite chemical bond stereocenters: 0

14. The number of uncertain chemical bond stereocenters: 0

15. The number of covalent bond units: 1

Properties and stability

None

Storage method

This product should be sealed and stored in a dry place away from light.

Synthesis method

Use 2,3-dichloroaniline through diazotization and Malvais reaction to obtain 2,3-dichlorobenzaldehyde, and then oxidize it with potassium permanganate to obtain 2,3-dichlorobenzoic acid. Total yield 45%

Purpose

2,3-Dichlorobenzoic acid is an important intermediate in the synthesis of the specific anti-epileptic drug lamotrigine and other drugs for the treatment of central nervous disorders

广告位
This article is from the Internet, does not represent the position of Epoxy curing agent, reproduced please specify the source.https://www.dmp-30.vip/archives/76437

author:

Previous article
Next article
Contact Us

Contact us

+86 - 152 2121 6908

Online consultation: QQ交谈

E-mail: info@newtopchem.com

Working hours: Monday to Friday, 9:00-17:30, closed on holidays
Follow wechat
Scan wechat and follow us

Scan wechat and follow us

Follow Weibo
Back to top
Home
Phone
Products
Search