2-Hydroxy-5-sulfobenzoic acid

Basic Information

View in Editor

CAS Number

97-05-2

Molecular Formula

C7H6O6S

Molecular Weight

218.19 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

120 ºC

Boiling Point

328.86°C (rough estimate)

Density

1.7563 (rough estimate)

Flash Point

°Cat760mmHg

Refractive Index

1.5300 (estimate)

SMILES

View in Editor

OC(=O)c1cc(ccc1O)S(=O)(=O)O

InChI

InChI=1S/C7H6O6S/c8-6-2-1-4(14(11,12)13)3-5(6)7(9)10/h1-3,8H,(H,9,10)(H,11,12,13)

InChIKey

YCPXWRQRBFJBPZ-UHFFFAOYSA-N

LogP

0.3371

Topological Polar Surface Area

111.89999999999999 Å²

Hydrogen Bond Donor/Acceptor

3 / 6

Complexity

316

Safety Information

View Safety Information

Hazard Class

Class 8 Class 8

Synonyms & References

English

5-sulphosalicylic acid
2-HYDROXY-5-SULFOBENZOIC ACID
2-HYDROXYBENZOIC-5-SULFONIC ACID
3-CARBOXY-4-HYDROXYBENZENESULFONIC ACID
3-CARBOXY-4-HYDROXYBENZENESULPHONIC ACID
SALICYLSULFONIC ACID
SULFOSALICYLIC ACID
TIMTEC-BB SBB008927
2-hydroxy-5-sulfo-benzoicaci
3-Sulfosalicylicacid
5-sulfo-salicylicaci
cp18121
kalcoloranodizingacid
o-Hydroxybenzoicacid5-sulfonicacid
Salicylicacid5-sulfonicacid
5-Sulfosalicylic
Benzoic acid, 2-hydroxy-5-sulfo-
2-Hydroxy-5-sulfo-benzoic acid
Sulphosalicylic acid
磺基水杨酸
5-Sulfosalicylic acid
Salicylic acid, sulfo-
Benzoic acid, 2-hydroxysulfo-
Salicylic acid, 5-sulfo-
Kalcolor anodizing acid
Sulfosalicylic acid (VAN)
Salicylsulfonic acid (VAN)
Sulphosalicylic acid (VAN)
5-Sulfosalicylate
5-sulfo-Salicylic acid
2-Hydroxy-5-sulfobenzoic acid (ACI)

MDL Number

MFCD00007508

Customs Code

2918290000

FAQ

What is 2-Hydroxy-5-sulfobenzoic acid (CAS: 97-05-2)?

2-Hydroxy-5-sulfobenzoic acid (CAS: 97-05-2) is an organic compound with the chemical formula C7H7NO5S. It contains a hydroxyl group and a sulfonic acid group, making it a versatile chelating agent and surfactant. This compound is commonly used as a pH indicator, such as in methyl red, and exhibits solubility in water with acidic properties at low pH.

What are the main uses of 2-Hydroxy-5-sulfobenzoic acid (CAS: 97-05-2)?

2-Hydroxy-5-sulfobenzoic acid (CAS: 97-05-2) is widely utilized in pharmaceuticals as a buffering agent, in industrial applications for its surfactant properties, and in the food industry as a preservative. It serves as a key intermediate in the synthesis of dyes, pigments, and other chemicals. Additionally, it is employed in research for analytical chemistry and as a component in pH-sensitive materials.

Is 2-Hydroxy-5-sulfobenzoic acid (CAS: 97-05-2) safe?

2-Hydroxy-5-sulfobenzoic acid (CAS: 97-05-2) is generally considered safe when handled properly and used within regulated limits. However, it may cause mild skin or eye irritation. Safety data sheets (SDS) recommend avoiding inhalation and direct contact, using appropriate personal protective equipment (PPE), and following standard laboratory safety protocols to ensure safe handling and disposal.

How should 2-Hydroxy-5-sulfobenzoic acid (CAS: 97-05-2) be stored?

2-Hydroxy-5-sulfobenzoic acid (CAS: 97-05-2) should be stored in a cool, dry place at temperatures below 25°C, away from direct light. Keep in airtight, moisture-resistant containers to maintain stability and prevent degradation. Ensure proper ventilation and avoid exposure to incompatible substances to preserve its chemical integrity.