O-(Benzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium tetrafluoroborate
SIAL/12806 - ≥97.0% (N)
Synonym: N,N,N′,N′-Tetramethyl-O-(benzotriazol-1-yl)uronium tetrafluoroborate; TBTU
CAS Number: 125700-67-6
Empirical Formula (Hill Notation): C11H16BF4N5O
Molecular Weight: 321.08
MDL Number: MFCD00077413
Linear Formula: C11H16N5O · BF4
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 12806-1KG-F
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 12806-250G-F
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 12806-100G-F
| application(s) | peptide synthesis |
| assay | ≥97.0% (N) |
| form | solid |
| InChI | 1S/C11H16N5O.BF4/c1-14(2) |
| InChI key | JKEKMBGUVUKMQB-UHFFFAOYSA |
| mp | 205 °C (dec.) (lit.) |
| Quality Level | 200  |
| SMILES string | F[B-](F)(F)F.CN(C)C(On1n |
| solubility | acetonitrile: 0.1 g/mL, clear, colorless |
| storage temp. | 2-8°C |
| Application: | Coupling reagent which is ideally suited for solid-phase peptide synthesis. |
| Other Notes: | Recent studies show that crystal as well as solution structure of this coupling agent is a guanidinium N-oxide and not an uronium compound; Coupling reagent which is ideally suited for solid-phase peptide synthesis. |
| Packaging: | 1 kg in glass bottle |
| Packaging: | 5, 25, 100, 250 g in glass bottle |
| Symbol |   GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H228 - H315 - H319 - H335 |
| Precautionary statements | P210 - P240 - P241 - P261 - P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | E,Xi |
| Risk Statements | 2-36/37/38 |
| Safety Statements | 26-35 |
| RIDADR | UN1325 - class 4.1 - PG 2 - Flammable solids, organic, n.o.s., H |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥97.0% (N) |
| mp | 205 °C (dec.) (lit.) |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352100 |