3-aminosalicylic acid

3-aminosalicylic acid structural formula

3-aminosalicylic acid structural formula

Structural formula

Business number 05TZ
Molecular formula C7H7NO3
Molecular weight 153.14

3-Amino-ortho-hydroxybenzoic acid,

3-Aminosalic acid,

3-Amino-2-hydroxybenzoic acid,


Numbering system

CAS number:570-23-0

MDL number:MFCD00010299

EINECS number:209-328-0

RTECS number:None

BRN number:2090427

PubChem number:24855412

Physical property data

1. Physical property data

1. Appearance: white powder, slight acetone smell

2. Melting point ():240

3. Solubility:Almost insoluble in water and benzene, slightly soluble in ether and propyl ether

ketone, slightly soluble in Ethanol, dissolved in sodium bicarbonate or phosphoric acid solution

Toxicological data


Ecological data

3. Ecological data:

1, other harmful effects: This substance may be harmful to the environment, special attention should be paid to water bodies.

Molecular structure data

5. Molecular property data:

1. Molar refractive index: 39.30

2. Molar volume ( m3/mol):102.6

3. isotonic specific volume (90.2K):310.2

4. Surface Tension (dyne/cm):83.3

5. Polarizability10-24cm3):15.57

Compute chemical data

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

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 4

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: 9

6. Topological molecule polar surface area 83.6

7. Number of heavy atoms: 11

8. Surface charge: 0

9. Complexity: 160

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

Stability and reactivity:

Materials to avoid: Oxides.

Products to be decomposed: carbon monoxide and carbon dioxide, nitrogen oxides.

Storage method


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

Synthesis method



1. Purpose

Applicable to acute exudative pulmonary tuberculosis and mucosal tuberculosis Waiting for illness. Usually with

Streptomycin and isoniazid are used together to Enhance efficacy.

BDMAEE:Bis (2-Dimethylaminoethyl) Ether

CAS NO:3033-62-3

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