2,4-Diaminobenzenesulfonic acid

Basic Information

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CAS Number

88-63-1

Molecular Formula

C6H8N2O3S

Molecular Weight

188.21 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

260-266 °C (dec.)

Boiling Point

500°C (estimate)

Density

1.366 (estimate)

Refractive Index

1.6490 (estimate)

SMILES

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C1=CC(=C(C=C1N)N)S(=O)(=O)O

InChI

InChI=1S/C6H8N2O3S/c7-4-1-2-6(5(8)3-4)12(9,10)11/h1-3H,7-8H2,(H,9,10,11)

InChIKey

JVMSQRAXNZPDHF-UHFFFAOYSA-N

LogP

0.09770000000000034

Topological Polar Surface Area

106.41000000000001 Å²

Hydrogen Bond Donor/Acceptor

5 / 5

Complexity

246

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H317 May cause an allergic skin reaction
Sensitization, Skin

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Hazard Class

Class 8 Class 8

Synonyms & References

English

Kyselina 1,3-fenylendiamin-4-sulfonova
Kyselina 2,4-diaminobenzensulfonova [Czech]
2,4-Diaminobenzenesulfonicacid
DTXSID3044465
Z240985232
NSC 7835
1,3-Phenylenediamine-4-sulfonic acid
DTXCID1024465
NSC-7835
NSC7835
CS-0244369
Kyselina 2,4-diaminobenzensulfonova
863X637R5Q
JVMSQRAXNZPDHF-UHFFFAOYSA-N
MFCD00035772
88-63-1
LS-31840
o-Aminosulfanilic acid
1,3-Diaminobenzenesulfonic acid
2,4-Diaminobenzenesulphonic acid
m-Phenylenediamine-4-sulfonic acid
Kyselina 1,3-fenylendiamin-4-sulfonova [Czech]
CAS-88-63-1
2,4-Diaminobenzenesulfonic acid
m-Phenylenediaminesulfonic acid
UNII-863X637R5Q
E70013
2,4-Diaminobenzenesulfonic acid, >=98.0% (T)
2-14-00-00443 (Beilstein Handbook Reference)
1,3-Diaminobenzene-6-sulfonic acid
EINECS 201-846-5

MDL Number

MFCD00035772

Customs Code

2921519090

FAQ

What is 2,4-Diaminobenzenesulfonic acid (CAS: 88-63-1)?

2,4-Diaminobenzenesulfonic acid, with the CAS number 88-63-1, is an organic compound containing two amino groups and a sulfonic acid group attached to a benzene ring. It is a white crystalline solid with a molecular formula of C6H8N2O3S and is commonly used as an intermediate in the synthesis of various chemicals and pharmaceuticals.

What are the main uses of 2,4-Diaminobenzenesulfonic acid (CAS: 88-63-1)?

2,4-Diaminobenzenesulfonic acid is primarily used in the production of dyes, pharmaceuticals, and specialty chemicals. It serves as a key intermediate in the synthesis of sulfa drugs, azo compounds, and other functional materials, making it relevant in both industrial and research applications.

Is 2,4-Diaminobenzenesulfonic acid (CAS: 88-63-1) safe?

2,4-Diaminobenzenesulfonic acid is generally considered safe when handled properly. However, it may cause skin and eye irritation, so protective measures such as gloves and goggles are recommended. Safety data sheets (SDS) should be consulted for detailed handling and disposal guidelines, and exposure should be minimized in industrial settings.

How should 2,4-Diaminobenzenesulfonic acid (CAS: 88-63-1) be stored?

2,4-Diaminobenzenesulfonic acid should be stored in a cool, dry place away from moisture and direct light. It is best kept in a sealed container at a temperature below 25°C. Proper storage ensures stability and prevents degradation, which is crucial for maintaining its chemical integrity and effectiveness.