Molekula
3-Amino-1,2,4-triazole
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
3-Amino-1,2,4-triazole is a heterocyclic organic compound used in pharmaceutical synthesis, agrochemicals, and as a corrosion inhibitor. It is best known as a herbicide for controlling grasses, broadleaf and aquatic weeds in non-crop areas, and also serves as a plant growth regulator and chemical synthesis feedstock. It is a white to off-white crystalline powder with a molecular formula of C2H4N4 and a molecular weight of 84.08 g/mol. It is stable at ambient temperatures and should be stored under normal conditions. Hazard classification includes the signal word Danger. Molekula supplies 3-Amino-1,2,4-triazole 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 — £51.40 per pack ex VAT · £61.68 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 to light crystalline powder |
| Assay | 96.0% min |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Transparent to off white crystalline powder |
| Odour | Odorless when pure. |
| Melting Point | 159 °C |
| Density | 1.14 (relative, water = 1) |
| Water Solubility | 280 g/L at 25 °C |
| Vapour Pressure | 4.4 × 10⁻⁷ mmHg at 25 °C |
| pKa | pKa1 = 4.2 |
| log P (octanol/water) | -0.97 |
Source: PubChem CID 1639 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 69030032 |
| CAS Number | 61-82-5 |
| IUPAC Name | 1H-1,2,4-triazol-5-amine |
| EC Number | 200-521-5 |
| Molecular Formula | C2H4N4 |
| Molecular Weight | 84.08 |
| Exact Mass | 84.0436 |
| SMILES | C1=NNC(=N1)N |
| InChIKey | KLSJWNVTNUYHDU-UHFFFAOYSA-N |
| InChI | InChI=1S/C2H4N4/c3-2-4-1-5-6-2/h1H,(H3,3,4,5,6) |
| PubChem CID | 1639 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933.99.97.01 |
| Tariff Code | 2933998090 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H361d Suspected of damaging fertility. Suspected of damaging the unborn child.
- H372 Causes damage to organs through prolonged or repeated exposure
- H401 Toxic to aquatic life
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- 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
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
- P501 Dispose of contents/container to an approved waste disposal plant
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
- 1H-1,2,4-Triazol-3-amine
- 1H-1,2,4-Triazol-5-amine
- 3-Amino-1H-1,2,4-triazole
- 3-Amino-s-triazole
- 3-Aminotriazole
- Aminotriazole
- Amitrol
- Amitrole
- Amizol
- Weedazol
Frequently asked questions
What is 3-Amino-1,2,4-triazole used for?
It is primarily used as a corrosion inhibitor and in the synthesis of pharmaceuticals and agrochemicals.
What is the chemical formula and molecular weight of 3-Amino-1,2,4-triazole?
The formula is C2H4N4 and the molecular weight is 84.08 g/mol.
How should 3-Amino-1,2,4-triazole be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available for 3-Amino-1,2,4-triazole?
Available in technical grade; custom grades may be available upon request.
Can Molekula supply 3-Amino-1,2,4-triazole in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with an order of 3-Amino-1,2,4-triazole?
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.