Molekula
5-Mercapto-1-phenyltetrazole
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
5-Mercapto-1-phenyltetrazole is a sulfur-containing heterocyclic compound used in pharmaceutical synthesis and as a precursor in the production of specialty chemicals. It is a crystalline solid with a molecular formula of C7H6N4S and a molecular weight of 178.21 g/mol. Stored at 2 to 8 °C, it is classified as dangerous due to its reactivity. Molekula supplies 5-Mercapto-1-phenyltetrazole from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
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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100 g — $147.90 per pack
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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 | White crystalline powder |
| Melting Point | 136 - 147 deg C |
| Water | <0.5% |
| Assay | >98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 138 °C |
| Transport Class | 4.1 |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 35197222 |
| CAS Number | 86-93-1 |
| IUPAC Name | 1-phenyl-2H-tetrazole-5-thione |
| EC Number | 201-710-5 |
| Molecular Formula | C7H6N4S |
| Molecular Weight | 178.21 |
| Exact Mass | 178.0313 |
| SMILES | C1=CC=C(C=C1)N2C(=S)N=NN2 |
| InChIKey | GGZHVNZHFYCSEV-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H6N4S/c12-7-8-9-10-11(7)6-4-2-1-3-5-6/h1-5H,(H,8,10,12) |
| PubChem CID | 690730 |
| UN Number | UN1325 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933.99.8290 |
| Tariff Code | 2933998090 |
Safety & GHS
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Flammable
GHS02
-
Health Hazard
GHS07
Hazard statements
- H228 Flammable solid
- H302 Harmful if swallowed
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P220 Keep/Store away from clothing/combustible materials
- 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
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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.
Synonyms
- 1-Phenyl-1H-tetrazole-5-thiol
- 1-Phenyl-5-mercaptotetrazole
- 1-Phenyltetrazole-5-thiol
- 1-Phenyltetrazole-thiol
- 1-Phenyltetrazoline-5-thione
- 1H-Tetrazole-5-thiol, 1-phenyl-
- 2-Tetrazoline-5-thione, 1-phenyl-
- 5H-Tetrazole-5-thione, 1,2-dihydro-1-phenyl-
- Mercaptophenyltetrazole
- Phenylmercaptotetrazole
Frequently asked questions
What is 5-Mercapto-1-phenyltetrazole used for?
It is primarily used as a stabilizer and intermediate in the synthesis of pharmaceuticals and specialty chemicals.
What is the chemical formula and molecular weight of 5-Mercapto-1-phenyltetrazole?
The formula is C7H6N4S with a molecular weight of 178.21 g/mol.
How should 5-Mercapto-1-phenyltetrazole be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade is available for 5-Mercapto-1-phenyltetrazole?
Available in technical grade; custom purity options may be available upon request.
Can Molekula supply 5-Mercapto-1-phenyltetrazole in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with an order of 5-Mercapto-1-phenyltetrazole?
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.