Molekula
TBTU (o-Benzotriazol-1-yl-N,N,N',N'-tetramethyluronium tetrafluoroborate)
TBTU is a coupling reagent used in peptide synthesis and organic chemistry to facilitate amide bond formation. It is a stable, crystalline solid with the molecular formula C13H12N4O·BF4 and a molecular weight of 327.07 g/mol. It is stored at ambient temperature and is classified as dangerous due to its reactivity. TBTU is available under CAS number 125700-67-6. Molekula supplies TBTU from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
TBTU is a coupling reagent used in peptide synthesis and organic chemistry to facilitate amide bond formation. It is a stable, crystalline solid with the molecular formula C13H12N4O·BF4 and a molecular weight of 327.07 g/mol. It is stored at ambient temperature and is classified as dangerous due to its reactivity. TBTU is available under CAS number 125700-67-6. Molekula supplies TBTU from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White to Off-white powder |
| Melting Point | 195 - 205°C |
| Assay | ≥ 99.0% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 4.1 |
| Packing Group | II |
| Shelf Life | 48 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 125700-67-6 |
| Molecular Formula | C13H12N4O.BF4 |
| Molecular Weight | 327.07 |
| SMILES | O=N1=N[N+](C=2C=CC=CC21)=C(N(C)C)N(C)C.[F-][B+3]([F-])([F-])[F-] |
| EC / UN Number | 1325 |
| REACH Code | Y110 |
| HTS Code | 2933997900 |
| Tariff Code | 2933998090 |
Safety & GHS
-
Explosive
GHS01
-
Oxidizing
GHS03
Hazard statements
- H228 Flammable solid
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is TBTU used for?
TBTU is used as a coupling reagent in peptide synthesis, particularly in the formation of amide bonds.
What is the chemical formula and molecular weight of TBTU?
The formula is C13H12N4O·BF4 and the molecular weight is 327.07 g/mol.
How should TBTU be stored?
TBTU should be stored at ambient temperature, protected from moisture and light.
What grade of TBTU does Molekula supply?
Molekula supplies TBTU in high purity grade, suitable for synthetic and research applications.
Can Molekula supply TBTU in bulk?
Yes, Molekula can supply TBTU in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a TBTU order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.