Sodium 4-hydroxybenzenesulfonate

Basic Information

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CAS Number

825-90-1

Molecular Formula

C6H5NaO4S

Molecular Weight

196.16 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

>300°C

SMILES

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C1=CC(=CC=C1O)S(=O)(=O)[O-].[Na+]

InChI

InChI=1S/C6H6O4S.Na/c7-5-1-3-6(4-2-5)11(8,9)10;/h1-4,7H,(H,8,9,10);/q;+1/p-1

InChIKey

BYMHXIQVEAYSJD-UHFFFAOYSA-M

LogP

1.37710

Complexity

212

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Synonyms & References

English

Sodium phenolsulfonate anhydrous
NSC-147483
MFCD00044734
FT-0618690
P-PHENOLSULFONICACIDSODIUMSALT
AKOS015897636
sodium 4-hydroxybenzenesulfonate
SODIUM SULFOPHENATE
95H8X8YVQR
4-Hydroxybenzenesulfonic acid sodium salt
EINECS 212-550-0
CS-W010605
UNII-95H8X8YVQR
NSC 147483
Sodium P-phenolsulfonate anhydrous
DTXCID307321
4-hydroxybenzene sulphonic acid sodium salt
Monosodium 4-phenolsulfonate
CAS-825-90-1
Sodium p-hydroxybenzenesulfonate
Sodium 4-hydroxybenzenesulphonate
p-Hydroxybenzenesulfonic acid, monosodium salt
DTXSID8027321
BP-31159
Phenol-4-sulfonic acid sodium salt dihydrate
p-Phenolsulfonic Acid Sodium Salt
Q27271793
4-Phenolsulfonic acid sodium salt
sodium 4-hydroxybenzene sulfonate
W-104170
4-hydroxybenzenesulfonate sodium salt

MDL Number

MFCD00044734

FAQ

What is Sodium 4-hydroxybenzenesulfonate (CAS: 825-90-1)?

Sodium 4-hydroxybenzenesulfonate (CAS: 825-90-1) is an inorganic sodium salt of 4-hydroxybenzenesulfonic acid. It is a white crystalline solid that is highly soluble in water. Commonly used as a food additive and in industrial applications, it functions as a stabilizer and acidulant. Its chemical formula is C7H7NaO4S.

What are the main uses of Sodium 4-hydroxybenzenesulfonate (CAS: 825-90-1)?

Sodium 4-hydroxybenzenesulfonate (CAS: 825-90-1) is primarily used as a food preservative and stabilizer, particularly in acidic food products. It also finds applications in pharmaceuticals as a buffering agent and in the production of dyes and other chemical compounds. Additionally, it is used in research for various chemical synthesis processes.

Is Sodium 4-hydroxybenzenesulfonate (CAS: 825-90-1) safe?

Sodium 4-hydroxybenzenesulfonate (CAS: 825-90-1) is generally recognized as safe (GRAS) for use in food when consumed within recommended limits. However, it should be handled with care, as prolonged exposure may cause skin or eye irritation. Safety standards ensure its proper use in industrial and pharmaceutical settings, and protective measures such as gloves and goggles are recommended during handling.

How should Sodium 4-hydroxybenzenesulfonate (CAS: 825-90-1) be stored?

Sodium 4-hydroxybenzenesulfonate (CAS: 825-90-1) should be stored in a cool, dry place away from direct light. It is typically kept in airtight containers to prevent moisture absorption. Proper storage conditions ensure its stability and extend shelf life, making it suitable for use in food, pharmaceutical, and industrial applications.