Structural formula
Business number | 01U2 |
---|---|
Molecular formula | C10H9NO |
Molecular weight | 159.18 |
label |
1-amino-5-naphthol, Allopurine E, 5-amino-1-naphthol, H2NC10H6OH |
Numbering system
CAS number:83-55-6
MDL number:MFCD00041826
EINECS number:201-486-9
RTECS number:None
BRN number:None
PubChem number:24863445
Physical property data
1. Properties: colorless crystals
2. Density (g/mL, 25/4℃): Uncertain
3. Relative vapor density (g/mL, Air=1): Uncertain
4. Melting point (ºC): 192
5. Boiling point (ºC, normal pressure): Uncertain
6. Boiling point (ºC, 5.2kPa): Uncertain
7. Refractive index: Uncertain
8. Flash point (ºC): Uncertain
9. Specific rotation (º): Uncertain.
10. Autoignition point or ignition temperature (ºC): Uncertain
11. Vapor pressure (kPa, 25ºC): Uncertain
12. Saturation Vapor pressure (kPa, 60ºC): Uncertain
13. Heat of combustion (KJ/mol): Uncertain
14. Critical temperature (ºC): Uncertain
15. Critical pressure (KPa): Uncertain
16. Log value of oil-water (octanol/water) partition coefficient: Uncertain
17. Explosion upper limit (% , V/V): Uncertain
18. Lower explosion limit (%, V/V): Uncertain
19. Solubility: Slightly soluble in water, soluble in alkali solution . The aqueous solution reacts with ferric chloride to form a black precipitate.
Toxicological data
None yet
Ecological data
None yet
Molecular structure data
1. Molar refractive index: 50.21
2. Molar volume (cm3/mol): 124.2
3. Isotonic specific volume (90.2K ): 351.9
4. Surface tension (dyne/cm): 64.3
5. Polarizability (10-24cm3): 19.90
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): None
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: 2
6. Topological molecule polar surface area 46.2
7. Number of heavy atoms: 12
8. Surface charge: 0
9. Complexity: 160
10. Number of isotope atoms: 0
11. Determine the number of atomic stereocenters: 0
12.���Determine the number of atomic stereocenters: 0
13. Determine the number of chemical bond stereocenters: 0
14. Uncertain number of chemical bond stereocenters: 0
15. Number of covalent bond units: 1
Properties and stability
None yet
Storage method
This product should be sealed and stored in a cool, dry place.
Synthesis method
It is obtained by alkali melting of 1-naphthylamine-5-sulfonic acid.
Purpose
Dye intermediates. Used to make azo dyes.