CAS 26725-50-8: Benzotriazole-4-sulfonic acid
Description:Benzotriazole-4-sulfonic acid, with the CAS number 26725-50-8, is an organic compound characterized by its sulfonic acid functional group attached to a benzotriazole ring. This compound is typically a white to off-white solid that is soluble in water, making it useful in various applications. It exhibits strong acidity due to the presence of the sulfonic acid group, which can donate protons in solution. Benzotriazole derivatives are known for their ability to act as corrosion inhibitors, particularly in metal protection, and they also serve as UV stabilizers in plastics and coatings. Additionally, the compound has applications in the field of analytical chemistry, particularly in the detection and quantification of metal ions. Its structure allows for strong interactions with metal surfaces, enhancing its effectiveness as a corrosion inhibitor. Overall, Benzotriazole-4-sulfonic acid is valued for its multifunctional properties in industrial and research applications.
Formula:C6H5N3O3S
InChI:InChI=1/C6H5N3O3S/c10-13(11,12)5-3-1-2-4-6(5)8-9-7-4/h1-3H,(H,7,8,9)(H,10,11,12)
- Synonyms:
- 1H-1,2,3-benzotriazole-4-sulfonic acid
- 1H-1,2,3-Benzotriazole-7-sulfonic acid
- 1H-Benzotriazole-4-sulfonic acid
- 1H-Benzotriazole-7-sulfonic acid
- 305-552-9
- 2H-benzotriazole-4-sulfonic acid
Brand | Product data | Purity | Price range | Estimated delivery |
---|---|---|---|---|
![]() | 1H-Benzo[d][1,2,3]triazole-4-sulfonic acid REF: IN-DA003O2WCAS: 26725-50-8 | - - - | To inquire | Thu 17 Apr 25 |
![]() | Benzotriazole-4-sulphonic acid REF: 54-OR10630CAS: 26725-50-8 | - - - | To inquire | Thu 24 Apr 25 |
![]() | 1H-1,2,3-benzotriazole-4-sulfonic acid REF: 10-F772416CAS: 26725-50-8 | 98% | To inquire | Tue 29 Apr 25 |
![]() | Benzotriazole-4-sulfonic acid REF: 3D-BBA72550CAS: 26725-50-8 | Min. 95% | - - - | Discontinued product |

1H-Benzo[d][1,2,3]triazole-4-sulfonic acid
Ref: IN-DA003O2W
Undefined size | To inquire |

Ref: 54-OR10630
Undefined size | To inquire |

Ref: 10-F772416
1g | To inquire |

Benzotriazole-4-sulfonic acid
Ref: 3D-BBA72550
1g | Discontinued | Request information | |
5g | Discontinued | Request information | |
10g | Discontinued | Request information | |
25g | Discontinued | Request information | |
50g | Discontinued | Request information |