Product Name

  • Name

    disodium 4-amino-3-[[4'-[(2-amino-8-hydroxy-6-sulphonatonaphthyl)azo][1,1'-biphenyl]-4-yl]azo]naphthalene-1-sulphonate

  • EINECS 217-709-8
  • CAS No. 1937-35-5
  • Density
  • Solubility
  • Melting Point
  • Formula C32H22N6Na2O7S2
  • Boiling Point
  • Molecular Weight 712.08
  • Flash Point
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 1937-35-5 (disodium 4-amino-3-[[4'-[(2-amino-8-hydroxy-6-sulphonatonaphthyl)azo][1,1'-biphenyl]-4-yl]azo]naphthalene-1-sulphonate)
  • Hazard Symbols
  • Synonyms Fenamin Bordeaux B;Naphtamine Bordeaux B;Nippon Bordeaux GS;Orbamin Bordeaux B;Phenamine Bordeaux B;Symulon DirectBordeaux NS;Tertrodirect Bordeaux B;Union Bordeaux BB;Vondacel Bordeaux B;1-Naphthalenesulfonicacid,4-amino-3-[[4'-[(2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-,disodium salt (9CI);C.I. Direct Red 13 (7CI);C.I. Direct Red 13, disodiumsalt (8CI);Pontamine Bordeaux B (6CI);Aizen Direct Bordeaux GH;AmanilBordeaux B;Atlantic Bordeaux B;Belamine Bordeaux B;Benzanil Bordeaux B;Benzanol Brilliant Bordeaux BN;Benzo Bordeaux B;Bordeaux BG;Bordeaux Direct;Chlorazol Bordeaux B;Chlorazol Bordeaux BP;Chrome LeatherBordeaux BC;Cotton Bordeaux R;Cotton Red 10B;Cresotine Bordeaux BG;Diacotton Bordeaux GS;Diacotton Bordeaux KS;Diamine Bordeaux B;DiamineBordeaux BA-CF;Diamine Bordeaux BC;Diazol Bordeaux B;Diphenyl Bordeaux BX;Diphenyl Garnet RB;Direct Bordeaux;Direct Bordeaux A;Direct Bordeaux AN;Direct Bordeaux B;Direct Bordeaux BG;Direct Bordeaux BN;Direct Bordeaux GB;Direct Claret;Direct Garnet LG;Direct Red 13;Direct Red M 10B;Erie BordeauxB;Fastolite Brilliant Bordeaux BN;
  • PSA 252.87000
  • LogP 10.49300

Direct Red 13 Chemical Properties

Chemistry informtion about C.I. Direct Red 13, Disodium Salt (CAS NO.1937-35-5) is:
IUPAC Name: Disodium 5-[2-[4-[4-(1-Amino-4-Sulfonatonaphthalen-2-Yl)Diazenylphenyl]Phenyl]Hydrazinyl]-6-Imino-4-Oxonaphthalene-2-Sulfonate
Synonyms: Disodium 4-Amino-3-[[4'-[(2-Amino-8-Hydroxy-6-Sulphonatonaphthyl)Azo][1,1'-Biphenyl]-4-Yl]Azo]Naphthalene-1-Sulphonate ; Direct Bordeaux B ; Directredb ; 1-Naphthalenesulfonic Acid, 4-Amino-3-4-(2-Amino-8-Hydroxy-6-Sulfo-1-Naphthalenyl)Azo1,1-Biphenyl-4-Ylazo-, Disodium Salt ; C.I.Directred13,Disodiumsalt ; C.I. Direct Red 13 ; Aizen Direct Bordeaux Gh ; Amanil Bordeaux B
Product Categories: Dyes and Pigments
Molecular Formula: C32H22N6Na2O7S2
Molecular Weight: 712.66262
EINECS: 217-709-8
InChI
InChI=1/C32H24N6O7S2.2Na/c33-26-14-9-20-15-23(46(40,41)42)16-28(39)30(20)32(26)38-36-22-12-7-19(8-13-22)18-5-10-21(11-6-18)35-37-27-17-29(47(43,44)45)24-3-1-2-4-25(24)31(27)34;;/h1-17,39H,33-34H2,(H,40,41,42)(H,43,44,45);;/q;2*+1/p-2/b37-35+,38-36+;;
Smiles
c1cc(c(\N=N\c2ccc(c3ccc(\N=N\c4cc(c5c(c4N)cccc5)S(=O)(=O)[O-])cc3)cc2)c2c1cc(cc2O)S(=O)(=O)[O-])N.[Na+].[Na+]
Following is the molecular structure of C.I. Direct Red 13, Disodium Salt (CAS NO.1937-35-5) is:

Direct Red 13 Uses

 C.I. Direct Red 13, Disodium Salt (CAS NO.1937-35-5) was used as an pigment.

Direct Red 13 Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 7900mg/kg (7900mg/kg) behavioral: somnolence (general depressed activity) kidney, ureter, and bladder: other changes in urine composition skin and appendages (skin): "dermatitis, other: after systemic exposure" Toksikologicheskii Vestnik. Vol. (2), Pg. 34, 1998.
rat LD50 intraperitoneal 560mg/kg (560mg/kg) behavioral: somnolence (general depressed activity) kidney, ureter, and bladder: other changes in urine composition skin and appendages (skin): "dermatitis, other: after systemic exposure" Toksikologicheskii Vestnik. Vol. (2), Pg. 34, 1998.
rat LD50 oral > 10gm/kg (10000mg/kg)
behavioral: somnolence (general depressed activity) kidney, ureter, and bladder: other changes in urine composition skin and appendages (skin): "dermatitis, other: after systemic exposure"
 Toksikologicheskii Vestnik. Vol. (2), Pg. 34, 1998.

Direct Red 13 Safety Profile

Moderately toxic by intraperitoneal route. Low toxicity by ingestion. When heated to decomposition it emits toxic vapors of NOx and SOx.

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