3-Amino-4-hydroxybenzenesulfonic acid | CAS No. 98-37-3

Q: What is 3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3)?

3-Amino-4-hydroxybenzenesulfonic acid, with the CAS number 98-37-3, is an organic compound containing an amino group, a hydroxyl group, and a sulfonic acid group attached to a benzene ring. It is commonly used as an intermediate in the synthesis of various pharmaceuticals and dyes. Its chemical formula is C7H9NO5S, and it is a white crystalline solid that is soluble in water.

Q: What are the main uses of 3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3)?

3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3) is primarily used in pharmaceuticals as a precursor for drugs like sulfa medications. It also finds applications in the dye industry for producing azo dyes and in research for synthesizing other organic compounds. Additionally, it may be used in some food-related applications as a stabilizer or preservative.

Q: Is 3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3) safe?

3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3) is generally considered safe when handled properly. It has low toxicity but should be treated with care to avoid skin contact and inhalation. Safety standards recommend using appropriate personal protective equipment (PPE) and following standard chemical handling protocols to ensure safe use in laboratories and industrial settings.

Q: How should 3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3) be stored?

3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3) should be stored in a cool, dry, and well-ventilated area, away from direct light. It is best kept in a sealed container to prevent moisture absorption and maintain stability. Proper storage conditions help preserve its chemical integrity and ensure safe handling over time.

3-Amino-4-hydroxybenzenesulfonic acid

Basic Information

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CAS Number

98-37-3

Molecular Formula

C6H7NO4S

Molecular Weight

189.19 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 °C

Boiling Point

°Cat760mmHg

Density

1.5149 (rough estimate)

Water Solubility

<0.1 g/100 mL at 21.5 ºC

Refractive Index

1.5500 (estimate)

SMILES

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C1=CC(=C(C=C1S(=O)(=O)O)N)O

InChI

InChI=1S/C6H7NO4S/c7-5-3-4(12(9,10)11)1-2-6(5)8/h1-3,8H,7H2,(H,9,10,11)

InChIKey

ULUIMLJNTCECJU-UHFFFAOYSA-N

LogP

0.22109999999999996

Topological Polar Surface Area

100.62 Å²

Hydrogen Bond Donor/Acceptor

4 / 5

Complexity

245

Safety Information

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GHS Hazard Pictograms

H314

Hazard Statement

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

Hazard Class

Class 8 Class 8

Stability

Stable. Incompatible with strong oxidizing agents, strong acids and strong bases.

Synonyms & References

English

3-Amino-4-hydroxybenzenesulphonic acid
DTXCID404500
Amino-1-phenol-4-sulfonic acid, 2-
BENZENESULFONIC ACID,3-AMINO,4-HYDROXY 2-AMINO,4-SULFOPHENOL
InChI=1/C6H7NO4S/c7-5-3-4(12(9,10)11)1-2-6(5)8/h1-3,8H,7H2,(H,9,10,11
NCGC00091448-02
2-AMINOPHENOL-4-SULFONIC ACID
Metanilic acid, 4-hydroxy-
2-amino-9-[(2R,4S,5R)-4-fluoro-5-(hydroxymethyl)tetrahydrofuran-2-yl]-3H-purin-6-one
Benzenesulphonic acid, 3-amino-4-hydroxy-
1-AMINO-2-HYDROXY-5-BENZENESULFONIC ACID
NSC 1491
CHEMBL1455467
3-amino-4-hydroxybenzene-1-sulfonic acid
CAS-98-37-3
2-Aminophenol-4-sulphonicacid
AC-10750
Benzenesulfonic acid, 3-amino-4-hydroxy-
2-Amino-1-phenol-4-sulfonic acid
NCGC00091448-01
4WE7CX7RD5
3-AMINO-4-HYDROXYBENZENE SULFONIC ACID
UNII-4WE7CX7RD5
NS00002269
W-100082
AI3-14898
EC 202-662-8
?2-Aminophenol-4-sulfonic acid
2-Amino-1-phenol-4-sulphonic acid
98-37-3
NSC1491

MDL Number

MFCD00007696

Customs Code

2922299090

FAQ

What is 3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3)?

3-Amino-4-hydroxybenzenesulfonic acid, with the CAS number 98-37-3, is an organic compound containing an amino group, a hydroxyl group, and a sulfonic acid group attached to a benzene ring. It is commonly used as an intermediate in the synthesis of various pharmaceuticals and dyes. Its chemical formula is C7H9NO5S, and it is a white crystalline solid that is soluble in water.

What are the main uses of 3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3)?

3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3) is primarily used in pharmaceuticals as a precursor for drugs like sulfa medications. It also finds applications in the dye industry for producing azo dyes and in research for synthesizing other organic compounds. Additionally, it may be used in some food-related applications as a stabilizer or preservative.

Is 3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3) safe?

3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3) is generally considered safe when handled properly. It has low toxicity but should be treated with care to avoid skin contact and inhalation. Safety standards recommend using appropriate personal protective equipment (PPE) and following standard chemical handling protocols to ensure safe use in laboratories and industrial settings.

How should 3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3) be stored?

3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3) should be stored in a cool, dry, and well-ventilated area, away from direct light. It is best kept in a sealed container to prevent moisture absorption and maintain stability. Proper storage conditions help preserve its chemical integrity and ensure safe handling over time.