Epoxy curing agent Knowledge 5,8-dihydroxy-1,4-naphthoquinone

5,8-dihydroxy-1,4-naphthoquinone

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5,8-dihydroxy-1,4-naphthoquinone structural formula

Structural formula

Business number 0519
Molecular formula C10H6O4
Molecular weight 190.16
label

Naxi,

1,4-dihydroxynaphthoquinone,

5,8-Dihydroxy-1,4-naphthalenedione,

Naphthazarin

Numbering system

CAS number:475-38-7

MDL number:MFCD00001685

EINECS number:207-495-4

RTECS number:QL7970000

BRN number:880561

PubChem number:24851613

Physical property data

1. Character:Undetermined


2. Density (g/ m3,25/4): Undetermined


3. Relative vapor density (g/cm3,AIR=1): Undetermined


4. Melting point (ºC):220-230


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


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/Water) logarithmic value of the partition coefficient: undetermined


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


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


19. Solubility: Undetermined

Toxicological data

Mutagenicity data: microbial organismsTESTSystemic mutation: bacteriaSalmonella Typhimurium:100ug/Tablet

Ecological data

This substance may be harmful to the environment, and special attention should be paid to water bodies.

Molecular structure data

1 Molar refractive index:46.66


2 Molar Volumem3/mol)119.4


3 Isotonic specific volume (90.2K): 360.9


4 Surface tensiondyne/cm)83.5


5 Polarizability(10-24cm318.50

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 1.8

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 4

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 6

6. Topological molecule polar surface area 74.6

7. Number of heavy atoms: 14

8. Surface charge: 0

9. Complexity: 277

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

Use and store according to specifications, will not decompose, and avoid contact with oxides

Storage method

Save in a sealed manner and place it in a ventilated and dry place to avoid contact with other oxides.

Synthesis method

None

Purpose

None

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