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86-65-7

86-65-7 Structure

86-65-7 Structure
IdentificationMore
[Name]

7-Amino-1,3-naphthalenedisulfonic acid
[CAS]

86-65-7
[Synonyms]

2-NAPHTHYLAMINE-3,6,8-TRISULFONIC ACID
7-AMINO-1,3,6-NAPHTHALENETRISULFONIC ACID
AMINO K ACID
K-ACID
7-amino-3-naphthalenedisulfonicacid
7-aminonaphthalene-1,3-disulphonic acid
2-NAPHTHYLAMINE-6,8-DISULFONIC ACID (AMINO G SALT)
7-aminonaphthalene-1,3-disulfonic acid
1,3-Disulfo-7-naphthylamine
7-Amino-1,3-naphthalenedisulfonic acid, tech.
1,3-Naphthalenedisulfonic acid, 7-amino-
7-Amino-1,3-naphthalenedisulfonic acid
7-Naphthylamine-1,3-disulfonic acid
Amido G acid
Amino-1,3-naphthalenedisulfonic acid, 7-
6,8-Disulfo-2-aminonaphthalene
2-Amino-6,8-naphthalenedisulfonic acid
2-Aminonaphthalene-6,8-disulfonic acid
[EINECS(EC#)]

201-689-2
[Molecular Formula]

C10H9NO6S2
[MDL Number]

MFCD00035721
[Molecular Weight]

303.31
[MOL File]

86-65-7.mol
Chemical PropertiesBack Directory
[Appearance]

off-white to beige-green to light brown
[Melting point ]

300°C
[density ]

1.6329 (rough estimate)
[refractive index ]

1.7330 (estimate)
[form ]

Powder or Needles
[pka]

-0.93±0.40(Predicted)
[color ]

Off-white to beige-green to light brown
[Water Solubility ]

soluble
[CAS DataBase Reference]

86-65-7(CAS DataBase Reference)
[EPA Substance Registry System]

86-65-7(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

C
[Risk Statements ]

R34:Causes burns.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
[RIDADR ]

1759
[HazardClass ]

8
[PackingGroup ]

III
[HS Code ]

29214900
[Safety Profile]

Questionable carcinogen with experimental neoplastigenic data. When heated to decomposition it emits toxic fumes of NOx and SOx.
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

7-Amino-1,3-naphthalenedisulfonic acid(86-65-7).msds
Hazard InformationBack Directory
[Chemical Properties]

off-white to beige-green to light brown
[Uses]

Azo dye intermediate.
[Production Methods]

The disodium or dipotassium salt of 2-hydroxynaphthalene-6,8-disulfonic acid is heated with excess aqueous ammonia and ammonium bisulfite at 185℃ for 18 h. The reaction mixture is basified, heated to remove excess ammonia, neutralized, and evaporated while any residual sulfite is removed. The resulting amino G acid liquor (95 % yield) is used directly for caustic fusion to give g acid, the major outlet.
Spectrum DetailBack Directory
[Spectrum Detail]

7-Amino-1,3-naphthalenedisulfonic acid(86-65-7)MS
7-Amino-1,3-naphthalenedisulfonic acid(86-65-7)IR1
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

7-Amino-1,3-naphthalenedisulfonic acid, tech.(86-65-7)
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