7-Amino-4-hydroxy-2-naphthalenesulfonic acid

Basic Information

View in Editor

CAS Number

87-02-5

Molecular Formula

C10H9NO4S

Molecular Weight

239.25 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

>330°C

Boiling Point

Density

1.4338 (rough estimate)

Refractive Index

1.6500 (estimate)

SMILES

View in Editor

C1=CC2=C(C=C(C=C2C=C1N)S(=O)(=O)O)O

InChI

InChI=1S/C10H9NO4S/c11-7-1-2-9-6(3-7)4-8(5-10(9)12)16(13,14)15/h1-5,12H,11H2,(H,13,14,15)

InChIKey

KYARBIJYVGJZLB-UHFFFAOYSA-N

LogP

1.3743

Topological Polar Surface Area

100.62 Å²

Hydrogen Bond Donor/Acceptor

4 / 5

Complexity

350

Safety Information

View Safety Information

Hazard Statement

H320 Causes eye irritation
Serious eye damage/eye irritation

H341 Suspected of causing genetic defects
Germ cell mutagenicity

Hazard Class

Class 8 Class 8

Synonyms & References

English

AS-17223
AKOS015854951
87-02-5
D00SSW
SCHEMBL154124
I acid
H11790
1-NAPHTHOL-3-SULFONIC ACID, 6-AMINO-
2-amino-5-hydroxynaphthalene-7-sulfonic acid
7-AMINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID
9A1IU1C93L
1-hydroxy-6-aminonaphthalene-3-sulphonic acid
NSC-7556
7-Amino-4-hydroxy- 2-naphthalenesulfonic acid
6-amino-3-sulfo-1-naphthol
3-AMINO-8-HYDROXY-6-NAPHTHALENESULFONIC ACID
7-amino-4-hydroxynaphthalen-2-sulfonsyre
W-104047
WLN: L66J BQ DSWQ HZ
BDBM50206424
6-AMINO-1-HYDROXY-3-SULFONAPHTHALENE
cid_6868
6-amino-1-hydroxynaphthalene-3-sulfonic acid
DTXCID206520
Kyselina I
CHEBI:87316
SMR001547516
DTXSID7026520
Kyselina 2-amino-5-naftol-7-sulfonova
KYARBIJYVGJZLB-UHFFFAOYSA-N
BRN 2217192

MDL Number

MFCD00003970

FAQ

What is 7-Amino-4-hydroxy-2-naphthalenesulfonic acid (CAS: 87-02-5)?

7-Amino-4-hydroxy-2-naphthalenesulfonic acid (CAS: 87-02-5) is an organic compound with the chemical formula C10H11NO5S. It is a white crystalline solid that is soluble in water and commonly used as a precursor in the synthesis of various pharmaceuticals and dyes. The compound exhibits acidic properties due to the presence of a sulfonic acid group and has a characteristic aromatic structure.

What are the main uses of 7-Amino-4-hydroxy-2-naphthalenesulfonic acid (CAS: 87-02-5)?

7-Amino-4-hydroxy-2-naphthalenesulfonic acid (CAS: 87-02-5) is primarily used in the pharmaceutical industry as an intermediate in the production of sulfa drugs. It also finds applications in the dye industry for manufacturing azo dyes and in research for developing new chemical compounds. Additionally, it may be used in food-related applications as a flavor enhancer or stabilizer, depending on regulatory approvals.

Is 7-Amino-4-hydroxy-2-naphthalenesulfonic acid (CAS: 87-02-5) safe?

7-A amino-4-hydroxy-2-naphthalenesulfonic acid (CAS: 87-02-5) is generally considered safe when handled properly, but it should be treated with caution. It is toxic if ingested or inhaled in large quantities, and skin contact may cause irritation. Safety standards recommend using appropriate personal protective equipment (PPE) such as gloves and goggles, and working in a well-ventilated area to minimize exposure risks.

How should 7-Amino-4-hydroxy-2-naphthalenesulfonic acid (CAS: 87-02-5) be stored?

7-Amino-4-hydroxy-2-naphthalenesulfonic acid (CAS: 87-02-5) should be stored in a cool, dry place away from light. It is best kept in a sealed container to prevent moisture absorption and maintain its stability. Storage conditions should be controlled to avoid exposure to high temperatures or humidity, which can affect its chemical integrity and shelf life.