2-Amino-1-naphthalenesulfonic acid

Basic Information

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CAS Number

81-16-3

Molecular Formula

C10H9NO3S

Molecular Weight

223.25 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

180 °C

Boiling Point

220°C (rough estimate)

Density

1.3588 (rough estimate)

Refractive Index

1.5250 (estimate)

SMILES

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C1=CC=C2C(=C1)C=CC(=C2S(=O)(=O)O)N

InChI

InChI=1S/C10H9NO3S/c11-9-6-5-7-3-1-2-4-8(7)10(9)15(12,13)14/h1-6H,11H2,(H,12,13,14)

InChIKey

GWIAAIUASRVOIA-UHFFFAOYSA-N

LogP

1.6687

Topological Polar Surface Area

80.39 Å²

Hydrogen Bond Donor/Acceptor

3 / 4

Complexity

322

Safety Information

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GHS Hazard Pictograms

H320

Hazard Statement

H320 Causes eye irritation
Serious eye damage/eye irritation

Hazard Class

Class 8 Class 8

Synonyms & References

English

FT-0611011
AC-10810
2-AMINO-1-NAPHTHALENESULFONIC ACID [HSDB]
CHEMBL3182507
2-Naphthylamino,1-sulfonic acid
CAS-81-16-3
W-104215
Kyselina 2-naftylamin-1-sulfonova [Czech]
81-16-3
DTXCID90922
InChI=1/C10H9NO3S/c11-9-6-5-7-3-1-2-4-8(7)10(9)15(12,13)14/h1-6H,11H2,(H,12,13,14
4-14-00-02792 (Beilstein Handbook Reference)
2-aminonaphthalen-1-sulfonsyre
NSC 5523
Naphthylaminsulfosaure
NCGC00248665-01
LS-7538
EN300-6491456
Naphthylamine sulfonic acid (2, 1-)
VS-12623
WLN: L66J BSWQ CZ
SCHEMBL313224
NSC5523
F9QKW1FCE0
2-AMINO-1-NAPHTHALENESULFONIC ACID
EINECS 201-331-5
RKL10014
2-Naphthylamine-1-sulfonicacid
A0343
BBL034632
2-Naphthylamine-1-sulfonic acid

MDL Number

MFCD00003988

FAQ

What is 2-Amino-1-naphthalenesulfonic acid (CAS: 81-16-3)?

2-Amino-1-naphthalenesulfonic acid (CAS: 81-16-3) is an organic compound with the chemical formula C10H9NO3S. It is a white crystalline solid that is commonly used in the synthesis of various chemical products. The compound is known for its acidic properties and is often found in the form of its sodium salt. It is also referred to as naphthalene sulfonic acid monoamide.

What are the main uses of 2-Amino-1-naphthalenesulfonic acid (CAS: 81-16-3)?

2-Amino-1-naphthalenesulfonic acid (CAS: 81-16-3) is primarily used in the pharmaceutical industry for the synthesis of drugs and as a building block in organic chemistry. It also finds applications in the production of dyes, pigments, and other specialty chemicals. In research settings, it is used for various chemical reactions and as a precursor for more complex molecules. Additionally, it may be used in the food industry as a flavor enhancer or in the development of food additives.

Is 2-Amino-1-naphthalenesulfonic acid (CAS: 81-16-3) safe?

2-Amino-1-naphthalenesulfonic acid (CAS: 81-16-3) is generally considered safe when handled properly. However, it may cause skin and eye irritation, and inhalation of its dust can be harmful. Safety standards recommend wearing appropriate protective gear, such as gloves and goggles, and ensuring adequate ventilation. It is important to follow safety protocols to minimize exposure and ensure safe handling in laboratory and industrial environments.

How should 2-Amino-1-naphthalenesulfonic acid (CAS: 81-16-3) be stored?

2-Amino-1-naphthalenesulfonic acid (CAS: 81-16-3) should be stored in a cool, dry, and well-ventilated area, away from direct sunlight. It is best kept in a sealed container to prevent moisture absorption. Storage conditions should maintain a temperature below 25°C and a humidity level below 60%. Avoid exposure to strong oxidizing agents to ensure stability and safety.