Molekula
Pyridine-4-aldoxime
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
Pyridine-4-aldoxime is an organic compound featuring a pyridine ring with an aldoxime functional group, primarily used as a reagent in organic synthesis, pharmaceutical research, and as a precursor in the production of pesticides and agrochemicals. It is also employed in analytical chemistry for complexation studies. This chemical has a CAS number of 696-54-8, molecular formula C6H6N2O, and a molecular weight of 122.13 g/mol. It should be stored at ambient conditions and handled with caution, as it carries a signal word of "Warning."
Molekula supplies Pyridine-4-aldoxime at 98% min purity (HPLC) in 25 g and 100 g packs, from £52.32 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. 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
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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25 g — £43.60 per pack ex VAT · £52.32 inc. VAT
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100 g — £124.50 per pack ex VAT · £149.40 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 | off-white or gray solid powder |
| Melting Point | 127~129 |
| Water | 0.5% max |
| Assay (HPLC) | 98% min |
| Residue on Ignition | 0.5% max |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 55953844 |
| CAS Number | 696-54-8 |
| IUPAC Name | (NE)-N-(pyridin-4-ylmethylidene)hydroxylamine |
| EC Number | 211-796-6 |
| Molecular Formula | C6H6N2O |
| Molecular Weight | 122.13 |
| Exact Mass | 122.048 |
| SMILES | C1=CN=CC=C1/C=N/O |
| InChIKey | OFYLBLSSPQTTHT-VMPITWQZSA-N |
| InChI | InChI=1S/C6H6N2O/c9-8-5-6-1-3-7-4-2-6/h1-5,9H/b8-5+ |
| PubChem CID | 135460230 |
| REACH Code | Y110 |
| HTS Code | 2933.39.6191 |
| Tariff Code | 2933399999 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H332 Harmful if inhaled
- 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
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- 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.
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
- (E)-4-Pyridinecarbaldehyde oxime
- (E)-Isonicotinaldehyde oxime
- (E)-N-[(pyridin-4-yl)methylidene]hydroxylamine
- (NE)-N-(pyridin-4-ylmethylidene)hydroxylamine
- 4-(Hydroxyiminomethyl)pyridine
- 4-Pyridinealdoxime
- 4-Pyridinecarboxaldehyde, oxime
- Isonicotinaldehyde oxime
- Isonicotinaldoxime
- Pyridine, 4-formyl-, oxime
Frequently asked questions
What is pyridine-4-aldoxime commonly used for?
Pyridine-4-aldoxime is primarily used as a reactant in organic synthesis, including the preparation of pharmaceuticals, agrochemicals, and as a ligand in coordination chemistry.
What is the chemical formula and molecular weight of pyridine-4-aldoxime?
The chemical formula is C₆H₆N₂O, and the molecular weight is 122.13 g/mol.
How should pyridine-4-aldoxime be stored?
Store in a tightly sealed container at ambient temperature, away from moisture, heat, and incompatible substances.
What purity grades of pyridine-4-aldoxime does Molekula supply?
Molekula supplies pyridine-4-aldoxime in high-purity grades (typically ≥98%), suitable for research and industrial applications.
Can Molekula supply pyridine-4-aldoxime in bulk quantities?
Yes, Molekula can provide pyridine-4-aldoxime in bulk quantities—please contact us for pricing and availability.
What documentation is provided with an order of pyridine-4-aldoxime?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Where can I buy Pyridine-4-aldoxime?
Directly from Molekula, which lists Pyridine-4-aldoxime in 25 g and 100 g packs from £52.32 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.