Hematoxylin

Hematoxylin structural formula

Structural formula

Business number 05BV
Molecular formula C16H14O6
Molecular weight 302.28
label

Sappan (wood) color,

Reagents for histochemical research

Numbering system

CAS number:517-28-2

MDL number:MFCD00005394

EINECS number:208-235-2

RTECS number:None

BRN number:112676

PubChem ID:None

Physical property data

1. Properties: Pure Soviet Fangmu is orange -yellow crystals

2. Density (G/CM 3 , 25/4 ° C): Not sure

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

4. Melting point (ºC): 130℃ (decomposition)

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

6. Boiling point (ºC, 8kPa): Undetermined

7. Refractive index: Undetermined

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8. Flash point (ºC): Undetermined

9. Specific 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. The logarithmic value of the oil-water (octanol/water) partition coefficient: Undetermined

17. The upper limit of explosion (%, V/V): Undetermined

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

19. Solubility: Soluble in alcohol, ether and NaOH aqueous solution, insoluble in hydrocarbon solvents.

Toxicological data

Oncogenic data: Oral TDLo in rats: 400 mg/kg/26W-C, tumor RTECS standard, blood-lymphoma, including Hodgkin’s disease.

Ecological data

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

Molecular structure data

Compute chemical data

1. Hydrophobic parameter calculation reference value (XlogP): 1.2

2. Number of hydrogen bond donors: 5

3. Number of hydrogen bond acceptors: 6

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 693

6. Topological molecular polar surface area (TPSA): 110

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7. Number of heavy atoms: 22

8. Surface charge: 0

9. Complexity: 444

10. Number of isotope atoms :0

11. Determine the number of atomic stereocenters: 2

12. Uncertain number of atomic stereocenters: 0

13. Determined number of chemical bond stereocenters: 0

14. Uncertain number of chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

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

Storage method

Non-toxic plastic bag coated with kraft paper bag packaging. Store in a cool, dry and dark place.

Synthesis method

It is extracted from the core material of hematoxylin by water leaching and then refined.

Purpose

Can be used as food coloring agent.

Resource:allhdi.com

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/30485

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