NorrChemica™
2,5-Dimethoxybenzaldehyde
CAS 93-02-7
≥98%
2,5-Dimethoxybenzaldehyde | CAS 93-02-7 | ≥98%
| Pack size | Excl. VAT | Incl. VAT | Add to cart |
|---|---|---|---|
| 5.0 g | €59,90 | ||
| 10 g | €79,90 | ||
| 25 g | €98,20 | ||
| 50 g | €179,20 | ||
| 100 g | €229,20 | ||
| 250 g | €379,20 | ||
| 500 g | €529,20 |
Taxes and fees, e.g. VAT, included in the price. Shipping calculated at checkout.Free shipping on EU, UK and EFTA orders above €250, and above €400 to the rest of the world.
Technical Specifications
| CAS Number | 93-02-7 |
| EC / EINECS Number | 202-211-5 |
| MDL Number | MFCD00003314 |
| RTECS Number | CU5740500 |
| SMILES | COC1=CC(=C(C=C1)OC)C=O |
| InChI | InChI=1S/C9H10O3/c1-11-8-3-4-9(12-2)7(5-8)6-10/h3-6H,1-2H3 |
| InChIKey | AFUKNJHPZAVHGQ-UHFFFAOYSA-N |
| PubChem CID | 66726 |
| Molecular Formula | C₉H₁₀O₃ |
| Molecular Weight | 166.17 g/mol |
| Melting Point | 46-48 °C |
| Solubility | Soluble in water, ethanol, acetone, methanol and DMSO; insoluble in ether |
| Purity | ≥98% |
| Physical Form | Light yellow to yellow-orange crystalline powder |
| HS Code | 2912.49 |
| Country of Origin | Finland |
| Shelf Life | Retest period: 36 months from date of manufacture |
| Storage Conditions | Store in a cool, dry place in a tightly sealed container under inert gas, protected from light and air |
Product Description & Scientific Applications
2,5-Dimethoxybenzaldehyde is an aromatic aldehyde bearing methoxy groups at the 2- and 5-positions — ortho and meta to the carbonyl, and para to one another. That para relationship makes the ring a protected hydroquinone, and most of the compound's synthetic use turns on it.
Applications and Reactions
- Regioselective nitration: converting the aldehyde to its gem-diacetoxy derivative with acetic anhydride directs a subsequent nitric-acid nitration cleanly to the 4-position, giving a one-pot route to a single nitro regioisomer rather than a mixture.
- Horner–Wadsworth–Emmons olefination: condensation with benzylphosphonates under potassium tert-butoxide in DMF at 0 °C gives E-configured dimethoxystilbenes — 86% with a dihexylphenyl phosphonate and 91% with the 4-bromophenyl analogue.
- Route to hydroxyanthraquinones: coupled with an N,N-diethylbenzamide intermediate, then reductively cleaved and ring-closed to a hydroxyanthracene, which is carried on by oxidation and O-demethylation to the anthraquinone.
Shipping Destinations
- EU & UK: Priority delivery, 2–5 business days.
- United States (DDP): 3–7 business days, duties and taxes prepaid.
- EFTA Countries (DDP): 3–7 business days, duties and taxes prepaid.
- Worldwide: 7–14 business days, selected locations.
Safety Information
| GHS Pictograms |
|
| Signal Word | Warning |
| Hazard Class | Not regulated for transport |
| Transport Category | Not classified as dangerous goods for transport (ADR/IATA/IMDG) |
| H-Statements | H315 - H317 - H319 - H335 |
| P-Statements | P261 - P264 - P271 - P272 - P280 - P302+P352 - P304+P340 - P305+P351+P338 - P312 - P333+P313 - P337+P313 - P362+P364 - P403+P233 - P405 - P501 |
Documentation
| Safety Data Sheet | Download PDF |
