CAS 88-20-0

o-Toluenesulfonic acid

Description:

o-Toluenesulfonic acid, also known as 2-toluenesulfonic acid, is an aromatic sulfonic acid characterized by its strong acidity and solubility in water and organic solvents. It appears as a colorless to pale yellow crystalline solid or a viscous liquid, depending on its form. The compound has a molecular formula of C7H8O3S and a molecular weight of approximately 174.2 g/mol. It is commonly used as a catalyst in organic synthesis, particularly in the production of esters and ethers, due to its ability to protonate substrates and enhance reactivity. Additionally, o-toluenesulfonic acid serves as a reagent in various chemical reactions, including the synthesis of pharmaceuticals and polymers. Its hygroscopic nature allows it to absorb moisture from the air, which can affect its handling and storage. Safety precautions are necessary when working with this compound, as it can cause irritation to the skin, eyes, and respiratory system. Proper protective equipment should be used to mitigate exposure risks.

Formula: C₇H₈O₃S

InChI: InChI=1/C7H8O3S/c1-6-4-2-3-5-7(6)11(8,9)10/h2-5H,1H3,(H,8,9,10)

InChI key: InChIKey=LBLYYCQCTBFVLH-UHFFFAOYSA-N

SMILES: S(=O)(=O)(O)C1=C(C)C=CC=C1

Synonyms:

• 2-Methylbenzenesulfonic acid
• 2-Methylbenzensulfonic acid
• 2-Toluenesulfonic acid
• Benzenesulfonic acid, 2-methyl-
• NSC 87381
• Toluene-2-sulfonic acid
• o-Methylbenzenesulfonic acid
• o-Toluenesulfonic acid
• 2-Methylbenzene-1-sulfonic acid
• Ortho toluene sulfonic acid
• toluene-2-sulphonic acid
• 2-Methyl-Benzenesulfonic Acid
• Sorafenib Impurity 47

2-Methylbenzenesulfonic acid

CAS: 88-20-0

2-Methylbenzenesulfonic acid

Formula: C₇H₈O₃S

Purity: 97%

Color and Shape: Liquid

Molecular weight: 172.2

Ref: 54-OR1033765

2-Toluenesulfonic acid

CAS: 88-20-0

Formula: C₇H₈O₃S

Purity: 97%

Color and Shape: Solid

Molecular weight: 172.2016

Ref: IN-DA00GSVA

2-Toluenesulfonic acid

CAS: 88-20-0

Formula: C₇H₈O₃S

Molecular weight: 172.20

Ref: 4Z-B-4435

2-Methylbenzenesulfonic acid

CAS: 88-20-0

2-Methylbenzenesulfonic acid

Formula: C₇H₈O₃S

Purity: 98%

Molecular weight: 172.2

Ref: IN-DG78840

2-Methylbenzenesulfonic acid

CAS: 88-20-0

Formula: C₇H₈O₃S

Purity: 97%

Color and Shape: Solid

Molecular weight: 172.2

Ref: 10-F223884

2-Toluenesulfonic acid

CAS: 88-20-0

2-Toluenesulfonic acid is a sulfonic acid with the chemical formula CH3CH2SO3H. It is a colorless liquid that is soluble in water and organic solvents. 2-Toluenesulfonic acid is used as a detergent additive in personal care products, such as shampoos and body washes. It also has been shown to be an effective agent for the treatment of hiv infection, autoimmune diseases, and skin cells. The optimum concentration for 2-toluenesulfonic acid to inhibit receptor activity is between 0.5% to 1%. The structural analysis of this compound shows that it contains a hydroxyl group on the 2 position and a dimethyl fumarate on the 6 position of its ring system.

Formula: C₇H₈O₃S

Purity: Min. 95%

Molecular weight: 172.2 g/mol

Ref: 3D-FT36669