1-Hydroxybenzotriazole hydrate
CAS 123333-53-9
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1-Hydroxybenzotriazole hydrate CAS 123333-53-9 Product Information
| Product Name: | 1-Hydroxybenzotriazole hydrate |
| Synonyms: | HOBTM;HOBT HYDRATE;HOBT H2O;1H-1,2,3-benzotriazol-1-ol hydrate solution;1-HYDROXYBENZOTRIAZOLE 15 WT. % SOLUTI&;1H-Benzo[d][1,2,3]triazol-1-ol xhydrate;1H-benzo[d][1,2,3]triazol-1-ol hydrate;HOBT.H2O1-Hydroxybenzotriazole hydrate |
| CAS: | 123333-53-9 |
| MF: | C6H7N3O2 |
| MW: | 153.14 |
| EINECS: | 602-929-2 |
| Melting point | 155-158 °C(lit.) |
| Boiling point | 248.8°C (rough estimate) |
| density | 1.065 g/cm |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | DMF: 100 mg/mL, clear |
| form | Solid |
| color | White to Off-White |
| Water Solubility | slightly soluble |
1-Hydroxybenzotriazole hydrate CAS 123333-53-9Product Description
CAS number 123333-53-9 corresponds to 1-Hydroxybenzotriazole hydrate. It is a chemical compound commonly used in organic synthesis as a reagent and as an additive in peptide synthesis.
- Chemical Properties:
- Molecular Formula: C6H5N3O · H2O
- Molecular Weight: 135.12 g/mol (anhydrous basis)
- Melting Point: 155-158°C (lit.)
- Solubility: Slightly soluble in dimethylformamide (DMF)
- Density: 1.065 g/cm³
- Flash Point: 162.2°C
- Empirical Formula: C6H5N3O · xH2O
- Applications:
- Peptide Synthesis: 1-Hydroxybenzotriazole hydrate is a coupling reagent used in the synthesis of amides by condensation reactions between activated esters/acids and amino groups of protected amino acids.
- Racemization Suppressor: It is also employed as a racemization suppressor during peptide synthesis.
- Other Uses: This compound can be used to prepare poly-γ-glutamic acid methyl ester from a dimer of γ-glutamic acid and oxadiazoles via cyclo condensation of amidoximes with trifluoroacetic anhydride or benzoic acid derivatives.
Remember that its use should be handled with care and in accordance with legal regulations. If you need further information, feel free to ask! 😊
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