TBTU, 99%
Buy TBTU, 99% (CAS 125700-67-6) from Zemixal: C11H16BF4N5O, COA and SDS with every lot, worldwide shipping. Part of our Peptide Synthesis Reagents range.
About TBTU, 99%
Researchers and plant chemists source TBTU, 99% from Zemixal for routine and specialised work. For your records (Puriss), the material is defined by CAS 125700-67-6, formula C11H16BF4N5O and molar mass 321.08 g/mol. It is described as white to off-white powder or crystals.
Where it is used
- Peptide coupling
- Solid-phase peptide synthesis
- Bioconjugation
- Protein & peptide research
Handling and storage
Physical constants on file: melting point 205 °C. It carries the GHS signal word Danger (H228, H315, H317 and H319), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 5 g, 25 g, 100 g, 500 g and 1 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Peptide coupling
- Solid-phase peptide synthesis
- Bioconjugation
- Protein & peptide research
Applications
Specifications and identifiers
| Product name | TBTU, 99% |
|---|---|
| Catalogue number | ZX-002431 |
| CAS number | 125700-67-6 |
| IUPAC name | [benzotriazol-1-yloxy(dimethylamino)methylidene]-dimethylazanium tetrafluoroborate |
| Molecular formula | C11H16BF4N5O |
| Molar mass | 321.08 g/mol |
| Exact mass | 321.1384 |
| Grade | Puriss |
| Purity / assay | 99% |
| Physical form | Crystalline |
| Appearance | White to off-white powder or crystals |
| Melting point | 205 °C |
| H-bond donors / acceptors | 0 / 8 |
| Topological polar surface area | 46.2 Ų |
| HS code | 29339990 |
| InChIKey | JKEKMBGUVUKMQB-UHFFFAOYSA-N |
| SMILES | [B-](F)(F)(F)F.CN(C)C(=[N+](C)C)ON1C2=CC=CC=C2N=N1 |
| PubChem CID | 2733207 |
| Synonyms | O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate, 2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate, 2-(1h-benzo[d][1,2,3]triazol-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate, 2-(1h-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate, N,N,N',N'-Tetramethyl-O-(benzotriazol-1-yl)uronium tetrafluoroborate, o-(benzotriazol-1-yl)-n,n,n',n'-tetra methyluronium tetrafluoroborate, o-(1h-benzotriazol-1-yl)-n,n,n',n'-tetramethyluronium tetrafluoroborate, TBTU Reagent, o-benzotriazol-1-yl-n,n,n',n'-tetramethyluronium tetrafluoroborate, 2-(1H-benzotriazol-1-yl)-1, KTB-1066-PI |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H228Flammable solid
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P210, P240, P241, P261, P264, P264 + P265, P271, P272, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 500 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about TBTU, 99%
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