Epoxy curing agent Knowledge Pyroline Purpurin

Pyroline Purpurin

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Pyroline structural formula

Structural formula

Business number 01S8
Molecular formula C14H8O5
Molecular weight 256.21
label

1,2,4-Trihydroxyanthraquinone,

1,2,4-Trihydroxyanthraquinone

Numbering system

CAS number:81-54-9

MDL number:MFCD00001203

EINECS number:201-359-8

RTECS number:CB8200000

BRN number:1887127

PubChem number:24888018

Physical property data

1. Character: Orange needle-like crystal or red needle-like crystal


2. Density (g/mL,25/4℃): Unsure


3. Relative vapor density (g/mL,air=1): Unsure


4. Melting point (ºC):253 -256


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


6. Boiling point (ºC,5.2kPa): Unsure


7. Refractive index: Uncertain


8. Flash Point (ºC): Unsure


9. Specific optical rotation (º): Unsure


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


11. Vapor pressure (kPa,25ºC): Unsure


12. Saturated vapor pressure (kPa,60ºC): Unsure


Rabbit eye test: 500mg/24H;

Ecological data

None yet

Molecular structure data

1. Molar refractive index: 64.31


2. Molar volume (m3/mol):154.3


3. isotonic specific volume (90.2K):480.4


4. Surface Tension (dyne/cm):93.9


5. Polarizability10-24cm3):25.49


Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 2.9

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 5

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 30

6. Topological molecule polar surface area 94.8

7. Number of heavy atoms: 19

8. Surface charge: 0

9. Complexity: 407

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

None yet

Storage method

This product should be sealed and stored in a dry and dark place.

Synthesis method

None yet

Purpose

Nuclear staining. Detects zirconium, boron, calcium and fluorine.

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Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 2.9

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 5

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 30

6. Topological molecule polar surface area 94.8

7. Number of heavy atoms: 19

8. Surface charge: 0

9. Complexity: 407

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

None yet

Storage method

This product should be sealed and stored in a dry and dark place.

Synthesis method

None yet

Purpose

Nuclear staining. Detects zirconium, boron, calcium and fluorine.

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