2,4-dihydroxypyridine structural formula

2,4-dihydroxypyridine structural formula

Structural formula

Business number 06ST
Molecular formula C5H5NO2
Molecular weight 111.10






Numbering system

CAS number:626-03-9

MDL number:MFCD00006273

EINECS number:210-924-8

RTECS number:UV1146800

BRN number:108533

PubChem number:24863634

Physical property data

1. Characteristics: slightly white solid.

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

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

4. Melting point (ºC): 275-277

5. Boiling point (ºC,Normal pressure): 315

6. Boiling point (ºC,5.2kPa): Undetermined

7. Refractive Index: Undetermined

8. Flash Point (ºC): Undetermined

9. Specific optical rotation (º): Undetermined

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

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

12. Saturated vapor pressure (kPa,60ºC): 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 water) partition coefficient: -1.39

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

18. Lower explosion limit (%,V/V): Undetermined

19. Solubility: Not determined.

Toxicological data

1, acute toxicity: mice (peritoneal)LD50: 4,895mg/kg

Since the LD50 of table salt is 3,000 mg/kg span>, BPA has the same acute toxicity as table salt.

Ecological data

For products that are slightly harmful to water, do not let large amounts of products come into contact with groundwater, waterways or sewage systems. Do not discharge materials into the surrounding environment without government permission.

Molecular structure data

1. Molar refractive index:28.10

2. Molar Volume (cm3/mol):79.5

3. isotonic ratio (90.2K):231.4

4. Surface Tension (dyne/cm):71.7

5. Polarization Rate10-24cm3):11.14

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): -0.4

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 2


4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 9

6. Topological molecule polar surface area 49.3

7. Number of heavy atoms: 8

8. Surface charge: 0

9. Complexity: 169

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

Keep away from oxides.


Store in an airtight container in a cool, dry place. Store away from oxidizing agents.

Synthesis method





BDMAEE:Bis (2-Dimethylaminoethyl) Ether

CAS NO:3033-62-3

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