Molekula
4-Aminoantipyrine
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
4-Aminoantipyrine is a synthetic organic compound used primarily as a reagent in analytical chemistry for the detection and quantification of various substances, including phenols and certain metals. It is also employed in the synthesis of pharmaceuticals and dyes. Available in powder form with a purity of ≥98%, it has a molecular weight of 203.24 g/mol, a molecular formula of C11H13N3O, and a CAS number of 83-07-8. Store at ambient temperature. Molekula supplies 4-Aminoantipyrine 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.
Often bought together
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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25 g — $50.10 per pack
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100 g — $88.40 per pack
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 | Pale yellow to brown powder |
| Melting Point | 105° - 110°C |
| Solubility | Clear yellow liquid @ 50mg/ml in water |
| Purity | ≥98.0% |
| Identification (IR) | Conforms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 43057307 |
| CAS Number | 83-07-8 |
| IUPAC Name | 4-amino-1,5-dimethyl-2-phenylpyrazol-3-one |
| EC Number | 201-452-3 |
| Molecular Formula | C11H13N3O |
| Molecular Weight | 203.24 |
| Exact Mass | 203.1059 |
| SMILES | CC1=C(C(=O)N(N1C)C2=CC=CC=C2)N |
| InChIKey | RLFWWDJHLFCNIJ-UHFFFAOYSA-N |
| InChI | InChI=1S/C11H13N3O/c1-8-10(12)11(15)14(13(8)2)9-6-4-3-5-7-9/h3-7H,12H2,1-2H3 |
| PubChem CID | 2151 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29331100 |
| Tariff Code | 2933119000 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- USH01 May form combustible dust concentrations in air
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
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
- 4-Aminoantipyrene
- 4-Aminophenazone
- Aminoantipyrin
- Aminoantipyrine
- Aminoazophenazone
- Aminoazophene
- AMPYRONE
- Metapirazone
- Solnapyrin-A
- Solvapyrin-A
Frequently asked questions
What is 4-Aminoantipyrine used for?
It is primarily used as a reagent in analytical chemistry for the detection and quantification of various substances, including phenols and certain drugs.
What is the chemical formula and molecular weight of 4-Aminoantipyrine?
The chemical formula is C11H13N3O and the molecular weight is 203.24 g/mol.
How should 4-Aminoantipyrine be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for 4-Aminoantipyrine?
We offer 4-Aminoantipyrine in analytical grade.
Can Molekula supply 4-Aminoantipyrine in bulk?
Yes, we can supply 4-Aminoantipyrine in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with my order of 4-Aminoantipyrine?
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.