7-Amino-1,3-naphthalenedisulfonic acid

Basic Information

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CAS Number

86-65-7

Molecular Formula

C10H9NO6S2

Molecular Weight

303.3 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Amines

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

300 ºC

Boiling Point

569

Density

1.6329 (rough estimate)

Refractive Index

1.7330 (estimate)

SMILES

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C1=CC(=CC2=C(C=C(C=C21)S(=O)(=O)O)S(=O)(=O)O)N

InChI

InChI=1S/C10H9NO6S2/c11-7-2-1-6-3-8(18(12,13)14)5-10(9(6)4-7)19(15,16)17/h1-5H,11H2,(H,12,13,14)(H,15,16,17)

InChIKey

CMOLPZZVECHXKN-UHFFFAOYSA-N

LogP

0.9154000000000002

Topological Polar Surface Area

134.76 Å²

Hydrogen Bond Donor/Acceptor

4 / 7

Complexity

531

Safety Information

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Hazard Class

Class 8 Class 8

Synonyms & References

English

7-Amino-1,3-naphthalenedisulfonic acid
UNII-7C482FX29K
CMOLPZZVECHXKN-UHFFFAOYSA-N
beta-Naphthylamine-6,8-disulfonic acid
7-Amino-1,3-naphthalenedisulfonicacid
6,8-disulfo-2-naphthylamine
DTXSID4058944
Q-200558
.beta.-Naphthylamine-6,8-disulfonic acid
7-aminonaphthalene-1,3-disulfonicacid
EINECS 201-689-2
AKOS015904570
7Am-Naphth-1,3diSO3H
AMIDO-G-ACID [MI]
C10-H9-N-O6-S2.H3-N.K
7-Amino-1,3-naphthalenedisulfonic acid, AldrichCPR
7-aminonaphthalene-1,3-disulfonic acid
BRN 2669649
SCHEMBL151762
2-NAPHTHYLAMINE-6,8-DISULFONIC ACID
7-ACA-3-MTT-7-MO
AI3-28530
1,3-Naphthalenedisulfonic acid, 7-amino-
Amino-1,3-naphthalenedisulfonic acid, 7-
7-Amino-1,3-naphthalenedisulfonic acid, tech.
2-Amino-6,8-disulfonaphthalene
NSC4013
2-amino-6,8-naphthalenedisulfonic acid
CHEMBL59189
STL426740
C10H9NO6S2.H3N.K

MDL Number

MFCD00003991

FAQ

What is 7-Amino-1,3-naphthalenedisulfonic acid (CAS: 86-65-7)?

7-Amino-1,3-naphthalenedisulfonic acid (CAS: 86-65-7) is a type of naphthalenedisulfonic acid derivative, commonly used in analytical chemistry and dyes. It is a white to light yellow crystalline solid with a pKa of approximately 3.5.

What are the main uses of 7-Amino-1,3-naphthalenedisulfonic acid (CAS: 86-65-7)?

7-Amino-1,3-naphthalenedisulfonic acid (CAS: 86-65-7) is primarily used as a pH indicator, a reducing agent, and a component in dyes and pigments. It also finds applications in the food industry as a flavor enhancer and in the pharmaceutical industry for analytical purposes.

Is 7-Amino-1,3-naphthalenedisulfonic acid (CAS: 86-65-7) safe?

7-Amino-1,3-naphthalenedisulfonic acid (CAS: 86-65-7) is generally considered safe when used as directed. However, it should be handled with care due to its potential irritancy to skin and eyes. Protective gloves and safety goggles should be worn during handling.

How should 7-Amino-1,3-naphthalenedisulfonic acid (CAS: 86-65-7) be stored?

7-Amino-1,3-naphthalenedisulfonic acid (CAS: 86-65-7) should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in a tightly sealed container to prevent moisture absorption and degradation. Ideal storage conditions include a temperature range of 15-25°C (59-77°F) and a humidity below 50%.