CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | White solid; [Merck Index] Light yellow fine crystals with lumps; [Sigma-Aldrich MSDS] |
|---|---|
| Solubility | 8.4 [ug/mL] (The mean of the results at pH 7.4) |
| Chemical Classes | Nitrogen Compounds -> Triazoles |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02 |
| GHS Hazard Statements |
H228:Flammable solids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. |
COMPUTED DESCRIPTORS
| Molecular Weight | 135.12 g/mol |
|---|---|
| XLogP3 | 1.2 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 135.043261791 g/mol |
| Monoisotopic Mass | 135.043261791 g/mol |
| Topological Polar Surface Area | 50.9 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 130 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
1-Hydroxybenzotriazole is a coupling reagent used to synthesize amides by the condensation reaction between the activated ester/acid and the amino group of protected amino acids. It is also used as a racemization suppressor during peptide synthesis.
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