Introduction：Basic information about 1-Hydroxybenzotriazole hydrate CAS 123333-53-9, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
1-Hydroxybenzotriazole hydrate Basic 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 |
| Product Categories: | Heterocyclic Compounds;Peptide;Bases & Related Reagents;Nucleotides;Heterocycles;FINE Chemical & INTERMEDIATES;123333-53-9 |
| Mol File: | 123333-53-9.mol |
|
1-Hydroxybenzotriazole hydrate Chemical Properties
| Melting point | 155-158 °C(lit.) |
| Boiling point | 248.8°C (rough estimate) |
| density | 1.065 g/cm |
| refractive index | 1.6910 (estimate) |
| 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 |
| BRN | 4515 |
| Stability: | Hygroscopic |
| Major Application | peptide synthesis |
| InChI | InChI=1S/C6H5N3O.H2O/c10-9-6-4-2-1-3-5(6)7-8-9;/h1-4,10H;1H2 |
| InChIKey | PJUPKRYGDFTMTM-UHFFFAOYSA-N |
| SMILES | ON1N=NC2C=CC=CC1=2.O |
| CAS DataBase Reference | 123333-53-9(CAS DataBase Reference) |
Safety Information
| Hazard Codes | F |
| Risk Statements | 5-11-R5-R11-44-1 |
| Safety Statements | 15-16-35-7/9-33-S7/9-S33-S16-60-37-26 |
| RIDADR | UN 3380 4.1/PG 1 |
| WGK Germany | - |
| F | 4.10-8 |
| Hazard Note | Highly Flammable |
| HazardClass | 4.1 |
| HS Code | 29339980 |
| Storage Class | 4.1A - Other explosive hazardous materials |
| Hazard Classifications | Aquatic Chronic 3
Desen. Expl. 2
Eye Irrit. 2 |
1-Hydroxybenzotriazole hydrate Usage And Synthesis
| Chemical Properties | White to off-white powder |
| Uses | 1-Hydroxybenzotriazole hydrate can be used as a condensation reagent to prepare:
- Poly-γ-glutamic acid methyl ester from a dimer of γ-glutamic acid.
- Oxadiazoles via cyclo condensation of amidoximes with trifluoroacetic anhydride or benzoic acid derivatives.
|
| Uses | A common additive for peptide coupling. |
| Uses | 1-Hydroxybenzotriazole hydrate is used as an additive for oligonucleotide couplings and in racemization-free peptide couplings. |
| General 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. |
| reaction suitability | reaction type: Addition Reactions |
| Toxics Screening Level | The ITSL 1-Hydroxy benzotriazole has been changed from 0.04 μg/m3 to 0.1 μg/m3 based on an annual averaging time. |
1-Hydroxybenzotriazole hydrate Preparation Products And Raw materials
| Raw materials | 4-Methylmorpholine |
| Preparation Products | Cefodizime |
