Polyether_Polyether Polyol Knowledge Drops of propionic acid

Drops of propionic acid

Structural formula of propionic acid

Structural formula

Business number 03C2
Molecular formula C9H8Cl2O3
Molecular weight 235.06
label

2-(2,4-Dichlorophenoxy)-propionic acid,

2-(2,4-Dichlorophenoxy)propionic acid,

2,4-Dichlorophenoxypropionic acid,

Hormatox,Kildip,Polymone,Polytox,

herbicide

Numbering system

CAS number:120-36-5

MDL number:MFCD00002645

EINECS number:204-390-5

RTECS number:UF1050000

BRN number:6568822

PubChem number:24868574

Physical property data

1. Characteristics: Pure product is colorless and odorless crystal.


2. Density (g/mL,20): Undetermined


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


4. Melting point (ºC):117.5~ 118.1(Pure product)


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


6. Boiling point (ºC,20mmHg): Undetermined


7. Refractive index: Undetermined


8. Flashpoint (ºC): Undetermined


9. Specific rotation (º): Undetermined


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


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


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


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


14. Critical temperature (ºC): Undetermined


15. Critical pressure (KPa): Undetermined


16. Oil and water (octanol/Log value of the partition coefficient for water: undetermined


17. &nbso-list: l0 level2 lfo1; tab-stops: list 36.0pt; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto” align=left>2. Molar volume (m3/mol):165.3


3. isotonic specific volume (90.2K):434.4


4. Surface Tension (dyne/cm):47.6


5. Polarizability10-24cm3):21.21

Compute chemical data

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

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: none

6. Topological molecule polar surface area 46.5

7. Number of heavy atoms: 14

8. Surface charge: 0

9. Complexity: 210

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 1

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

Avoid contact with oxides.

Storage method

None

Synthesis method

By2,4-Dichlorophenol It is obtained by condensation of sodium salt and α-chloropropionic acid. This product is a mixture of two optical isomers, but only the right-handed isomer has biological activity.

Purpose

Inject special post-emergent herbicide. Effective in controlling Polygonum weeds in cereal fields.

Chloropropionic acid is obtained by condensation. This product is a mixture of two optical isomers, but only the right-handed isomer has biological activity.

Purpose

Inject special post-emergent herbicide. Effective in controlling Polygonum weeds in cereal fields.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.polyether-factory.com/archives/19100

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