Product Name

  • Name

    disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate

  • EINECS
  • CAS No. 3701-40-4
  • Density g/cm3
  • Solubility
  • Melting Point
  • Formula C34H26 N4 O8 S2 . 2 Na
  • Boiling Point °Cat760mmHg
  • Molecular Weight 728.74
  • Flash Point °C
  • Transport Information
  • Appearance
  • Safety Mutation data reported. When heated to decomposition it emits toxic vapors of NOx and SOx.
  • Risk Codes
  • Molecular Structure Molecular Structure of 3701-40-4 (disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate)
  • Hazard Symbols
  • Synonyms 2,7-Naphthalenedisulfonicacid,4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]-,disodium salt (9CI); C.I. Acid Red 99 (7CI); C.I. Acid Red 99, disodium salt(8CI); Acid Leather Red 2BG; Acid Red 99; Acidine Red RD; Airedale Red RM;Benzyl Fast Red 2BG; Best Acid Milling Red FRS; Brilliant Milling Red; C.I.23285; Calcocid Milling Red RC; Coomassie Red R; Dynacid Red RS; Elite Fast RedBG; Elite Fast Red R; Elite Fast Red RS; Kayanol Red RS; Levanol Brilliant RedBB; Milling Fast Red R; Milling Fast Red RS; Milling Fast Red RX; Milling RedPRX; Multicuer Red BRX; Naphthalene Leather Red R; Optanol Red R; Pharmanil RedRB; Polar Red GBD; Polar Red R; Shikiso Acid Red RS; Sulfonine Red RS; SuminolMilling Red GRS; Suminol Red RS; Supranol Fast Red RX; Takaoka Acid Red RS;Triacid Fast Red GRS
  • PSA 214.08000
  • LogP 7.14470

Naphthalene leather red r Chemical Properties

IUPAC Name:  disodium (3Z)-3-[[3-methyl-4-[2-methyl-4-[(2Z)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]phenyl]phenyl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
Synonyms of Naphthalene leather red r (CAS NO.3701-40-4): 3-((2,2'-Dimethyl-4'-((2-hydroxy-1-naphthyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-2,7naphthalenedisulfonic acid, disodium salt ; Acid Leather Red 2BG ; Acid Red 99 ; Acidine Red RD ; Airedale Red RM ; Benzyl Fast Red 2BG ; Brilliant Milling Red ; C.I. 23285 ; C.I. Acid Red 99 ; C.I. Acid Red 99, disodium salt ; Calcocid Milling Red RC ; Coomassie Red R ; EINECS 223-040-2 ; Elite Fast Red BG ; Elite Fast Red R ; Elite Fast Red RS ; Kayanol Red RS ; Milling Fast Red R ; Milling Fast Red RS ; Milling Red PRX ; Optanol Red R ; Pharmanil Red RB ; Polar Red GBD ; Polar Red R ; Shikiso Acid Red RS ; Sulfonine Red RS ; Suminol Milling Red GRS ; Suminol Red RS ; Supranol Fast Red RX ; Takaoka Acid Red RS ; 2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-((4'-((2-hydroxy-1-naphthalenyl)azo)-2,2'-dimethyl(1,1'-biphenyl)-4-yl)azo)-, disodium salt ; 2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-(4'-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-2,2'-dimethyl(1,1'-biphenyl)-4-yl)diazenyl)-, sodium salt (1:2) ; Disodium 4-hydroxy-3-((4'-((2-hydroxynaphthyl)azo)-2,2'-dimethyl(1,1'-biphenyl)-4-yl)azo)naphthalene-2,7-disulphonate ;
CAS NO: 3701-40-4 
Molecular Formula of Naphthalene leather red r (CAS NO.3701-40-4): C34H24N4Na2O8S2   
Molecular Weight: 726.6859
H bond acceptors: 12
H bond donors: 4
Freely Rotating Bonds: 7
Polar Surface Area: 190.84 Å2
Molecular Structure:

Naphthalene leather red r Toxicity Data With Reference

1.    

mma-sat 125 µg/plate

     VHTODE    Veterinary and Human Toxicology. 22 (1980),413.

Naphthalene leather red r Consensus Reports

Reported in EPA TSCA Inventory.

Naphthalene leather red r Safety Profile

Mutation data reported. When heated to decomposition it emits toxic vapors of NOx and SOx.

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