Toluene diisocyanate manufacturer Knowledge 2,6-Diaminoanthraquinone 2,6-Diaminoanthraquinone

2,6-Diaminoanthraquinone 2,6-Diaminoanthraquinone

2,6-Diaminoanthraquinone structural formula

Structural formula

Business number 03MT
Molecular formula C14H10N2O2
Molecular weight 238.24
label

aromatic compounds

Numbering system

CAS number:131-14-6

MDL number:MFCD00001234

EINECS number:205-013-7

RTECS number:CB6450000

BRN number:None

PubChem number:24893375

Physical property data

1. Properties: reddish-brown prisms (in hot pyridine aqueous solution)

2. Melting point (decomposition, ℃): >325

3. Solubility: insoluble in Cold water, slightly soluble in hot water, soluble in hot ethanol, insoluble in chloroform and xylene.

Toxicological data

1. Skin/eye irritation toxicity: Rabbit eye standard Drez eye dye test: 500mg/24H has a slight irritating effect on the eyes.

2. Mutagenicity: Salmonella gene mutation: 100ug/plate

Ecological data

None yet

Molecular structure data

1. Molar refractive index: 67.14

2. Molar volume (cm3/mol): 163.6

3. Isotonic specific volume (90.2K ): 490.7

4. Surface tension (dyne/cm): 80.9

5. Polarizability (10-24cm3): 26.61

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 1.5

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: 15

6. Topological molecule polar surface area 86.2

7. Number of heavy atoms: 18

8. Surface charge: 0

9. Complexity: 346

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

None yet

Synthesis method

The ammoniation method is mainly used. The crude product is obtained by ammoniation reaction between anthraquinone-2,6-disulfonate ammonium salt and ammonia water, which is then filtered and dried. Raw material consumption quota: anthraquinone-2,6-disulfonate ammonium salt (95%) 3381kg/t, 20% ammonia 2150kg/t.

Purpose

Dye intermediates, mainly used to prepare vat dyes such as vat yellow GCN.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/27160

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