Molekula
5-Phenyl-1(H)-tetrazole
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-Phenyl-1(H)-tetrazole is a heterocyclic organic compound used in pharmaceutical synthesis and as a building block in medicinal chemistry. It functions as a bioisostere for carboxylic acids and is employed in the development of active pharmaceutical ingredients. Available in 10 g, 100 g, and 1 kg quantities with purity ≥98%. CAS: 18039-42-4, Molecular formula: C7H6N4, Molecular weight: 146.15, Storage: Ambient, Signal word: Warning. Molekula supplies 5-Phenyl-1(H)-tetrazole 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
In stock — same-day dispatch
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 — £89.70 per pack ex VAT · £107.64 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 | White powder |
| Melting Point | 215 - 217°C |
| Identification | Conforms to reference |
| Loss on Drying | ≤0.5% |
| Lead (Pb) | ≤30ppm |
| Assay (Titration) on dried basis | ≥98.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 4.1 |
| Packing Group | III |
Identification
| Property | Value |
|---|---|
| SKU | 81140222 |
| CAS Number | 18039-42-4 |
| IUPAC Name | 5-phenyl-2H-tetrazole |
| EC Number | 241-950-8 |
| Molecular Formula | C7H6N4 |
| Molecular Weight | 146.15 |
| Exact Mass | 146.0592 |
| SMILES | C1=CC=C(C=C1)C2=NNN=N2 |
| InChIKey | MARUHZGHZWCEQU-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H6N4/c1-2-4-6(5-3-1)7-8-10-11-9-7/h1-5H,(H,8,9,10,11) |
| PubChem CID | 87425 |
| UN Number | UN1325 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933998290 |
| Tariff Code | 2933998090 |
Safety & GHS
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Flammable
GHS02
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Health Hazard
GHS07
Hazard statements
- H228 Flammable solid
- H302 Harmful if swallowed
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P220 Keep/Store away from clothing/combustible materials
- 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
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.
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-phenyl-
- 2H-Tetrazole, 5-phenyl-
- 5-Phenyl-2H-tetrazole
- 5-Phenyltetrazole
- Expandex 5PT
- Expandex OX 5PT
- Kempore 50XPT
- MARUHZGHZWCEQU-UHFFFAOYSA-N
- Tetrazole, 5-phenyl-
- Tetrazole, 5-phenyl-(6CI)
Frequently asked questions
What is 5-Phenyl-1(H)-tetrazole used for?
It is primarily used as a building block in the synthesis of pharmaceuticals and agrochemicals, and as a precursor in the development of functional materials.
What is the chemical formula and molecular weight of 5-Phenyl-1(H)-tetrazole?
The formula is C7H6N4 with a molecular weight of 146.15 g/mol.
How should 5-Phenyl-1(H)-tetrazole be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for 5-Phenyl-1(H)-tetrazole?
Available in technical grade; custom purity levels may be available upon request.
Can Molekula supply 5-Phenyl-1(H)-tetrazole in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and lead times.
What documentation comes with an order of 5-Phenyl-1(H)-tetrazole?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
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.