Molekula
3-Ethoxy-4-hydroxybenzaldehyde
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch
3-Ethoxy-4-hydroxybenzaldehyde, also called ethyl vanillin, is a synthetic aromatic aldehyde used primarily as a flavouring agent for its strong, creamy vanilla odour and taste. It is also employed in flavor formulations and as an intermediate in organic synthesis. This chemical has a CAS number of 121-32-4, a molecular formula of C9H10O3, and a molecular weight of 166.1739 g/mol. It is stable at ambient storage conditions with no signal word classification. Molekula supplies 3-Ethoxy-4-hydroxybenzaldehyde from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.
Overview
- SKU
- 89967922
- CAS Number
- 121-32-4
- IUPAC Name
- 3-ethoxy-4-hydroxybenzaldehyde
- EC Number
- 204-464-7
- Molecular Formula
- C9H10O3
- Molecular Weight
- 166.1739
- Exact Mass
- 166.063
- SMILES
- CCOC1=C(C=CC(=C1)C=O)O
- InChIKey
- CBOQJANXLMLOSS-UHFFFAOYSA-N
- InChI
- InChI=1S/C9H10O3/c1-2-12-9-5-7(6-10)3-4-8(9)11/h3-6,11H,2H2,1H3
- PubChem CID
- 8467
Synonyms
- 4-Hydroxy-3-ethoxybenzaldehyde
- Bourbonal
- Ethavan
- Ethovan
- ETHYL VANILLIN
- Ethylprotal
- Quantrovanil
- Vanilal
- Vanillal
- Vanirom
Literature values
Published physical properties of the substance, not batch specifications.
- Appearance
- Fine, crystalline needles
- Odour
- Finer and more intense vanilla
- Melting Point
- 76.7 °C
- Boiling Point
- 285 °C
- Solubility (other solvents)
- Soluble in ethanol, ether, benzene, chloroform
- Vapour Pressure
- 1.04 × 10⁻⁵ mmHg at 25 °C
- log P (octanol/water)
- 1.58
Source: PubChem CID 8467 (HSDB)
See the other grade of CAS 121-32-4 →
Frequently asked questions
What is 3-Ethoxy-4-hydroxybenzaldehyde commonly used for?
This compound is primarily used as a building block in organic synthesis, particularly in the production of pharmaceuticals, fragrances, and flavor compounds like vanillin derivatives.
What is the chemical formula and molecular weight of 3-Ethoxy-4-hydroxybenzaldehyde?
The chemical formula is C₉H₁₀O₃, and the molecular weight is 166.17 g/mol.
How should 3-Ethoxy-4-hydroxybenzaldehyde be stored?
Store at ambient temperature in a cool, dry place, away from direct sunlight and incompatible materials.
What grades or purities of 3-Ethoxy-4-hydroxybenzaldehyde does Molekula supply?
Molekula supplies this compound in analytical and synthetic-grade purity, typically ≥98% by HPLC.
Can Molekula supply 3-Ethoxy-4-hydroxybenzaldehyde in bulk quantities?
Yes, bulk quantities are available upon request—minimum order quantities and packaging options vary by project.
What documentation comes with an order of 3-Ethoxy-4-hydroxybenzaldehyde?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation.
Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.