Product Name

  • Name

    DIRECT BLUE 15

  • EINECS 219-385-3
  • CAS No. 2429-74-5
  • Density
  • Solubility
  • Melting Point
  • Formula C34H28N6O16S4.4Na
  • Boiling Point
  • Molecular Weight 992.80
  • Flash Point
  • Transport Information
  • Appearance Deep purple to dark blue microcrystalline powder
  • Safety 53-45
  • Risk Codes 45
  • Molecular Structure Molecular Structure of 2429-74-5 (DIRECT BLUE 15)
  • Hazard Symbols T
  • Synonyms 2,7-Naphthalenedisulfonicacid,3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxy-,tetrasodium salt (9CI);C.I. Direct Blue 15 (8CI);Direct Sky Blue (6CI);Airedale Blue D;Aizen Direct Sky Blue 5B;AmanilSky Blue;Atul Direct Sky Blue;Benzanil Sky Blue;Benzo Sky Blue A-CF;Benzo Sky Blue S;C.I. 24400;Chloramine Sky Blue 4B;Chrome Leather Pure Blue;Cresotine Pure Blue;Diacotton Sky Blue 5B;DiamineBlue 6B;Diaphtamine Pure Blue;Diazol Pure Blue 4B;Diphenyl Sky Blue 6B;Direct Blue 15;DirectBlue FFN;Direct Blue HH;Direct Lake Blue 5B;DirectPure Blue;Direct Sky Blue 5B;EnianilPure Blue AN;Hispamin Sky Blue 3B;Kayafect Blue Y;KayakuDirect Sky Blue 5B;Methyl Violet 5BN;Niagara Blue 4B;Niagara Sky Blue;Nippon SkyBlue;Paper Blue S;PhenamineSky Blue A;Pontamine Sky Blue 5BX;Shikiso Direct Sky Blue5B;Sky Blue 4B;Sky Blue 5B;Vondacel Blue HH;
  • PSA 422.72000
  • LogP 10.18560

Direct Blue 15 Consensus Reports

IARC Cancer Review: Group 2B IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 57 , 1993,p. 235.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 57 , 1993,p. 235.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human Inadequate Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 57 , 1993,p. 235.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory.

Direct Blue 15 Specification

The C.I. Direct Blue 15, Tetrasodium Salt is an organic compound with the formula C34H28N6O16S4.4Na. The IUPAC name of this chemical is tetrasodium 5-amino-3-[[4-[4-[2-(8-amino-1-oxo-3, 6-disulfonatonaphthalen-2-ylidene)hydrazinyl]-3-methoxyphenyl]-2-methoxyphenyl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate. With the CAS registry number 2429-74-5, it is also named as Tetrasodium 3,3'-[(3,3'-dimethoxybiphenyl-4,4'-diyl)di(E)diazene-2,1-diyl]bis(5-amino-4-hydroxynaphthalene-2,7-disulfonate). The product's categories are Dyes and Pigments; Organics. Besides, it is a deep purple to dark blue microcrystalline powder, which should be stored in a closed and dry place. It is mainly used for dyeing of cotton, rayon, other cellulose fiber and coloring of paper, film biological staining.

Physical properties about C.I. Direct Blue 15, Tetrasodium Salt are: (1)#H bond acceptors: 22; (2)#H bond donors: 10; (3)#Freely Rotating Bonds: 15; (4)Polar Surface Area: 422.72 Å2.

You can still convert the following datas into molecular structure:
(1)SMILES: COc1cc(ccc1N=Nc2c(cc3cc(cc(c3c2O)N)S(=O)(=O)[O-])S(=O)(=O)[O-])c4ccc(c(c4)OC)N=Nc5c(cc6cc(cc(c6c5O)N)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]
(2)InChI: InChI=1/C34H28N6O16S4.4Na/c1-55-25-9-15(3-5-23(25)37-39-31-27(59(49,50)51)11-17-7-19(57(43,44)45)13-21(35)29(17)33(31)41)16-4-6-24(26(10-16)56-2)38-40-32-28(60(52,53)54)12-18-8-20(58(46,47)48)14-22(36)30(18)34(32)42;;;;/h3-14,41-42H,35-36H2,1-2H3,(H,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54);;;;/q;4*+1/p-4/b39-37-,40-38-;;;;
(3)InChIKey: OLSOUGWNONTDCK-GQOFDCLQBE
(4)Std. InChI: InChI=1S/C34H28N6O16S4.4Na/c1-55-25-9-15(3-5-23(25)37-39-31-27(59(49,50)51)11-17-7-19(57(43,44)45)13-21(35)29(17)33(31)41)16-4-6-24(26(10-16)56-2)38-40-32-28(60(52,53)54)12-18-8-20(58(46,47)48)14-22(36)30(18)34(32)42;;;;/h3-14,41-42H,35-36H2,1-2H3,(H,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54);;;;/q;4*+1/p-4/b39-37-,40-38-;;;;
(5)Std. InChIKey: OLSOUGWNONTDCK-MCOZZWBDSA-J

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