1H-Benzotriazole-1-methanol
1H-Benzotriazole-1-methanol (CAS: 28539-02-8, C7H7N3O) is a chemical compound with a molecular weight of 149.15 g/mol. It serves as a safe and effective reagent for the *in situ* generation of anhydrous formaldehyde in organic solvents. This property makes it a valuable tool in various organic synthesis applications, particularly where precise control over formaldehyde release is required.
- IUPAC
- 1-(Hydroxymethyl)benzotriazole,1-Benzotriazolemethanol,NSC 12463
- Synonyms
- 1-(Hydroxymethyl)benzotriazole1-BenzotriazolemethanolNSC 12463

Anhydrous Formaldehyde Generation
1H-Benzotriazole-1-methanol is a preferred reagent for the controlled *in situ* generation of anhydrous formaldehyde. This is crucial in organic synthesis where precise stoichiometric control and avoidance of water are necessary for optimal reaction outcomes.
Organic Synthesis
This compound acts as a synthetic reagent, contributing to C-C bond formation and broader chemical synthesis. Its utility lies in its ability to safely introduce formaldehyde equivalents into reaction mixtures.
Research and Development
Used in laboratory settings for chemical synthesis and research purposes, 1H-Benzotriazole-1-methanol supports the development of new chemical entities and synthetic methodologies.
| Molecular weight | 149.15 |
|---|---|
| Empirical formula | C7H7N3O |
| Assay | 98% |
| Application | Safe reagent for the in situ generation of anhydrous formaldehyde in organic solvents.8 |
| Melting point | 150-152 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 1H-Benzotriazole-1-methanol primarily used for?
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1H-Benzotriazole-1-methanol is primarily used as a safe reagent for the *in situ* generation of anhydrous formaldehyde in organic solvents, supporting various organic synthesis applications.
What is the CAS number and molecular formula for 1H-Benzotriazole-1-methanol?
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The CAS number for 1H-Benzotriazole-1-methanol is 28539-02-8, and its molecular formula is C7H7N3O.
What grade and purity does Tech Serve Solutions supply for 1H-Benzotriazole-1-methanol?
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Tech Serve Solutions supplies 1H-Benzotriazole-1-methanol with a minimum assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 1H-Benzotriazole-1-methanol be handled safely?
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Handle 1H-Benzotriazole-1-methanol with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation to avoid inhaling dust, and follow precautionary statements P261 and P305 + P351 + P338.
Is 1H-Benzotriazole-1-methanol available for international export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1H-Benzotriazole-1-methanol.
How can I request a quote or sample for 1H-Benzotriazole-1-methanol?
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To request a quote or sample, please contact our sales team through the website or by phone.
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