structural formula

business number	01h6
molecular formula	c34h24n6o14s4na4
molecular weight	960.81
label	direct blue 14, trypan blue, 4-chloro-3-iodotrifluorotoluene, 4-chloro-3-iodobenzotrifluoro, trypan blue, trypan blue, 3,3′-{[3,3′-dimethyl(1,1′-biphenyl)-4,4′-diyl]bis(azo)}bis(5-amino-4-hydroxy-2,7-naphthalenedisulfonic acid ) tetrasodium salt, diamine blue, niagara blue, direct blue 14

• numbering system
• physical property data
• toxicological data
• ecological data
• molecular structure data
• computing chemical data
• more
  • properties and stability
  • storage method
  • synthesis method
  • purpose

numbering system

cas number:72-57-1

mdl number:mfcd00003969

einecs number:200-786-7

rtecs number:qj6475000

brn number:4360496

pubchem number:24858268

physical property data

1. character:blue-gray powder

2. density (g/ml,25/4℃): unsure

3. relative vapor density (g/ml,air=1): unsure

4. melting point (ºc):> 300

5. boiling point (ºc,normal pressure): uncertain

6. boiling point (ºc, 5.2 kpa): unsure

7. refractive index:not sure

8. flash point (ºc): unsure

9. specific optical rotation (º): unsure

10. autoignition point or ignition temperature (ºc): unsure

11. vapor pressure (kpa,25 ºc): unsure

12. saturated vapor pressure (kpa,60 ºc): unsure

13. heat of combustion (kj/mol): unsure

14. critical temperature (ºc): unsure

15. critical pressure (kpa): unsure

16. oil and water (octanol/log value of water) partition coefficient: uncertain

17. explosion limit (%,v/v): unsure

18. lower explosion limit (%,v/v): unsure

19. solubility:soluble in water, slightly soluble in ethanol, insoluble in other organic solvents

toxicological data

none

ecological data

none

molecular structure data

none

compute chemical data

1. hydrogen bonding number of donors: 4

2. hydrogen bonding number of receptors: 20

3. rotatable number of chemical bonds: 5

4. interchange number of isomers: 231

5. topological molecules polar surface area (tpsa）：364

6. heavy atoms quantity: 62

7. surface charge ：0

8. complexity ：2030

9. isotope atomic number:0

10. determine the number of atomic stereocenters:0

11. uncertain number of atomic stereocenters:0

12. determine the number of stereocenters of chemical bonds:2

13. uncertain number of chemical bond stereocenters:0

14. number of covalent bond units: 5

properties and stability

none

storage method

this product should be sealed and stored in a cool, dry place.

synthesis method

by3,3′-sodium nitrite for dimethylbenzidine after diazotization with hydrochloric acid, in alkaline medium with hacid coupling, followed by salting out, filtration and drying.

purpose

mainly used for cotton, linen, viscose and other cellulose fiber dyeing can also be used for silk, nylon, and viscose/dyeing of cotton blended fabrics, and can also be used for paper, leather and biological dyeing.

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