1-Naphthalenesulfonic acid

Basic Information

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CAS Number

85-47-2

Molecular Formula

C10H8O3S

Molecular Weight

208.24 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

77-79 °C

Boiling Point

317.43°C (rough estimate)

Density

1.3797 (rough estimate)

Flash Point

380.2ºC

Solubility

alcohol: freely soluble

Refractive Index

1.4998 (estimate)

SMILES

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

InChI

InChI=1S/C10H8O3S/c11-14(12,13)10-7-3-5-8-4-1-2-6-9(8)10/h1-7H,(H,11,12,13)

InChIKey

PSZYNBSKGUBXEH-UHFFFAOYSA-N

LogP

2.0864999999999996

Topological Polar Surface Area

54.370000000000005 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

291

Safety Information

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Hazard Statement

H290 May be corrosive to metals
Corrosive to Metals

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

Hazard Class

Class 8 Class 8

Synonyms & References

English

W-109309
AKOS009031607
AC-18225
1-NAPHTHALENESULFONIC ACID [MI]
Naphthalenesulphonic acid
1-naphthalenemonosulfonate
.alpha.-Naphthalenesulfonic acid
VZW67VII75
1-NAPHTHALENESULFONIC ACID
4-(5-CARBOXY-PYRIDIN-2-YL)-PIPERAZINE-1-CARBOXYLICACIDTERT-BUTYLESTER
25155-19-5
EINECS 246-676-2
Naphthalene, sulfonated
naphthalene-alpha-sulphonic acid
naphthalenesulfonic acid
1-sulfonaphthalene
CHEBI:30895
naphthalen-1-sulfonsyre
MFCD00003987
NAPHTHALENE, MONOSULFONATED
naphtalenesulfonic acid
UNII-VZW67VII75
1-Naphthalenesulfonic acid, >50%
naphthalene sulfonic acid
a-naphthalene sulfonic acid
EINECS 270-177-9
1-Naphthyl sulfonic acid
naphthalene-1-sulfonic acid
68153-01-5
EINECS 268-860-1
InChI=1/C10H8O3S/c11-14(12,13)10-7-3-5-8-4-1-2-6-9(8)10/h1-7H,(H,11,12,13)

MDL Number

MFCD00003987

Customs Code

29041000

FAQ

What is 1-Naphthalenesulfonic acid (CAS: 85-47-2)?

1-Naphthalenesulfonic acid is an organic compound with the chemical formula C10H7O3S. It is a white crystalline solid with a slight sulfuric odor. This compound is water-soluble and has acidic properties due to the presence of the sulfonic acid group.

What are the main uses of 1-Naphthalenesulfonic acid (CAS: 85-47-2)?

1-Naphthalenesulfonic acid is primarily used as a sulfonation agent and an intermediate in the production of dyes and other organic compounds. It is also used in the textile industry for dyeing and in analytical chemistry as a reagent.

Is 1-Naphthalenesulfonic acid (CAS: 85-47-2) safe?

1-Naphthalenesulfonic acid is generally safe for industrial use when proper handling precautions are followed. It is slightly corrosive to metals and can cause skin irritation. Protective gloves and eyewear should be worn during handling. Storage and disposal should comply with local regulations and safety standards.

How should 1-Naphthalenesulfonic acid (CAS: 85-47-2) be stored?

1-Naphthalenesulfonic acid 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. Avoid contact with incompatible materials such as strong oxidizers and alkalis. Proper ventilation should be ensured to prevent the accumulation of flammable gases.