Epoxy curing agent Knowledge 2-Amino-3,5-dibromobenzoic acid methyl ester

2-Amino-3,5-dibromobenzoic acid methyl ester

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2-amino-3,5-dibromobenzoic acid methyl ester structural formula

Structural formula

Business number 068Y
Molecular formula C8H7Br2NO2
Molecular weight 308.95
label

3,5-Dibromo-2-aminobenzoic acid methyl ester,

3,5-Dibromoanthranilic acid methyl ester,

Methyl 3,5-dibromoanthranilate,

Br2C6H2-2-(NH2)CO2CH3

Numbering system

CAS number:606-00-8

MDL number:MFCD00010873

EINECS number:None

RTECS number:None

BRN number:None

PubChem number:24857930

Physical property data

Physical property data:
1. Character:Solid crystal

2. Melting point (): 89~91

Toxicological data

None

Ecological data

3. Ecological data:


1. Other harmful effects: This substance may be harmful to the environment and should be harmful to water bodies. Give special attention.

Molecular structure data


5. Molecular property data:


1, Molar refractive index:57.64


2, Molar volume (m3/mol):161.9


3, Isotonic specific volume (90.2K ):438.9


4, Surface tension (dyne/ cm):53.9


5 Polarizability (10-24cm3): 22.85

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 3

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: 3

6. Topological molecule polar surface area 52.3

7. Number of heavy atoms: 13

8. Surface charge: 0

9. Complexity: 201

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. Basic properties

This product is a solid crystal. 98%The melting point of industrial products is89-91℃.

Storage method

Storage:


Seal the secret container and store it in a sealed main container in a cool place Dry position.

Synthesis method

2. Brief description of production method

Obtained from the bromination of methyl anthranilate. Combine methyl anthranilate with15%‘s hydrochloric acid stirring Mix and cool until5-15℃, add bromine dropwise Hydrochloric acid mixture. Gabby, in15℃The following reaction1h, adjust with sodium hydroxide solutionpHThe value is2. Filter, wash with water until neutral, and dry at low temperature to obtain the finished product. The yield is90%Above.

Purpose

3. Purpose


For the synthesis of the drug bromide.

Resource:allhdi.com

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