Molekula
5-Benzylthio-1H-tetrazole (BTT)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
5-Benzylthio-1H-tetrazole (BTT) is a heterocyclic sulfur-nitrogen compound widely used in organic synthesis, particularly as a building block for pharmaceuticals, agrochemicals, and materials science applications. It serves as a key intermediate in the preparation of tetrazole derivatives, which exhibit biological activity and are essential in drug discovery. This chemical has a CAS number of 21871-47-6, with the molecular formula C8H8N4S and a molecular weight of 192.24. It is stored at ambient conditions but requires careful handling, as indicated by its "Danger" signal word.
Molekula supplies 5-Benzylthio-1H-tetrazole (BTT) at >99% purity in 25 g packs, from £88.44 inc. VAT. It is made or sourced to order. Every batch ships with a certificate of analysis. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
On backorder — expected to ship by 5 December 2026
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £73.70 per pack ex VAT · £88.44 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | A white sandiness crystals |
| Melting Point | 135 - 138 Deg C |
| Water | <0.5% |
| Assay | >99% |
| Clarity & Colour of Solution | Clear |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 89914250 |
| CAS Number | 21871-47-6 |
| IUPAC Name | 5-benzylsulfanyl-2H-tetrazole |
| Molecular Formula | C8H8N4S |
| Molecular Weight | 192.24 |
| Exact Mass | 192.047 |
| SMILES | C1=CC=C(C=C1)CSC2=NNN=N2 |
| InChIKey | GXGKKIPUFAHZIZ-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H8N4S/c1-2-4-7(5-3-1)6-13-8-9-11-12-10-8/h1-5H,6H2,(H,9,10,11,12) |
| PubChem CID | 323185 |
| REACH Code | Y110 |
| HTS Code | 2933.99.8290 |
| Tariff Code | 2933998090 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
We haven't published a Safety Data Sheet for this product yet. Ask us and we'll send you one.
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1H-Tetrazole, 5-[(phenylmethyl)thio]-
- 5-(benzylsulfanyl)-2H-1,2,3,4-tetrazole
- 5-(Benzylthio)tetrazole
- 5-[(Phenylmethyl)Thio]-1H-Tetrazole
- 5-[(Phenylmethyl)thio]-2H-tetrazole
- 5-benzylsulfanyl-2H-tetrazole
- 5-Benzylthio-1H-tetrazole
- BMT Crystal, 5-Benzylmercaptotetrazole
- BTT Activator, 0.3 M
- S-Benzylmercaptotetrazole
Frequently asked questions
What is 5-Benzylthio-1H-tetrazole (BTT) commonly used for?
5-Benzylthio-1H-tetrazole (BTT) is primarily used as a building block in organic synthesis, particularly in the preparation of agrochemicals, pharmaceuticals, and materials science applications like polymer chemistry.
What is the chemical formula and molecular weight of BTT?
The chemical formula is C₈H₈N₄S, and the molecular weight is 192.24 g/mol.
How should 5-Benzylthio-1H-tetrazole be stored?
Store at ambient temperature in a cool, dry place, away from incompatible substances. Follow standard chemical storage practices for hazardous materials.
What purity grades are available for this product?
Molekula supplies 5-Benzylthio-1H-tetrazole to a specification of >99% assay, with water content below 0.5%, a melting point of 135 - 138 Deg C and a clear solution. Custom specifications may be available upon request.
Can Molekula supply 5-Benzylthio-1H-tetrazole in bulk quantities?
Yes, we offer bulk quantities of BTT, with flexible packaging options (drums, bags, or custom solutions) depending on your requirements. Minimum order quantities may apply.
What documentation is provided with an order of 5-Benzylthio-1H-tetrazole?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS/SDS), and batch-specific documentation for traceability.
Where can I buy 5-Benzylthio-1H-tetrazole (BTT)?
Directly from Molekula, which lists 5-Benzylthio-1H-tetrazole (BTT) in 25 g packs from £88.44 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.