4-Hydroxy-3-ethoxybenzaldehyde (CAS 121-32-4) — formula C9H10O3, molecular weight 166.17; category pharmaceutical intermediates and APIs.
4-Hydroxy-3-ethoxybenzaldehyde (CAS 121-32-4) is a chemical raw material in the pharmaceutical intermediates and APIs category. Its molecular formula C9H10O3 comprises 9 C, 10 H, 3 O atoms. Its molecular weight is about 166.17. Reported physicochemical data: melting point around 171 to 172 °F (NTP, 1992), boiling point around 285 °C, LogP about 1.6. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 121-32-4 |
|---|---|
| Molecular Formula | C9H10O3 |
| Molecular Weight | 166.17 |
| Melting Point | 171 to 172 °F (NTP, 1992) |
| Boiling Point | 285 °C |
| LogP | 1.6 |
| Applications | perfumes, and organic synthesis, In flavoring and perfumery, chemical intermediate, to replace or fortify vanillin, Reported uses (ppm) |
| Category | Pharmaceutical Intermediates & APIs |
Documented applications: perfumes, and organic synthesis, In flavoring and perfumery, chemical intermediate, to replace or fortify vanillin, Reported uses (ppm).
4-Hydroxy-3-ethoxybenzaldehyde is a pharmaceutical intermediate or API compound with CAS registry number 121-32-4 and molecular formula C9H10O3 (molecular weight 166.17), belonging to the pharmaceutical intermediates and APIs segment of chemical raw materials.
CAS number: 121-32-4
Its molecular formula C9H10O3 comprises 9 C, 10 H, 3 O atoms.
Also known as: 4-Hydroxy-3-ethoxybenzaldehyde · Ethyl vanillin · Ethyl Vanillin FCC
Category: pharmaceutical intermediates and APIs
The CAS registry number of 4-Hydroxy-3-ethoxybenzaldehyde is 121-32-4.
Molecular formula C9H10O3, molecular weight 166.17.
It is also registered under: 4-Hydroxy-3-ethoxybenzaldehyde, Ethyl vanillin, Ethyl Vanillin FCC.
Recorded applications: perfumes, and organic synthesis, In flavoring and perfumery, chemical intermediate, to replace or fortify vanillin, Reported uses (ppm).
Category: Pharmaceutical Intermediates & APIs.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 4-Hydroxy-3-ethoxybenzaldehyde (CAS 121-32-4), compiled from public chemistry databases.
| CAS Registry Number | 121-32-4 |
|---|---|
| PubChem CID | 8467 |
| Molecular formula | C9H10O3 |
| IUPAC name | 3-ethoxy-4-hydroxybenzaldehyde |
| UNII (FDA) | YC9ST449YJ |
| FEMA number | 2464 |
| JECFA number | 893 |
| Molecular Weight | 166.17 |
|---|---|
| XLogP3 | 1.6 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 3 |
| Exact Mass | 166.062994177 |
| Monoisotopic Mass | 166.062994177 |
| Topological Polar Surface Area | 46.5 |
| Heavy Atom Count | 12 |
| Boiling Point | 285 °C |
|---|---|
| Boiling Point | 285.00 to 294.00 °C. @ 760.00 mm Hg |
| Melting Point | 171 to 172 °F (NTP, 1992) |
| Melting Point | 76.7 °C |
| Melting Point | 76 - 78 °C |
| Flash Point | 145 °C (293 °F) - closed cup |
| Solubility | In water, 2,822 mg/L at 25 °C |
| Solubility | 2.82 mg/mL at 25 °C |
| Vapor Pressure | 0.0000104 [mmHg] |
| Vapor Pressure | 1.04X10-5 mm Hg at 25 °C |
3-Ethoxy-4-hydroxybenzaldehyde; ETHYL VANILLIN; Ethylvanillin; 121-32-4; Vanillal; Ethylprotal; Bourbonal; Ethavan; Ethovan; Vanirom; Vanilal; Quantrovanil; 4-Hydroxy-3-ethoxybenzaldehyde; Benzaldehyde, 3-ethoxy-4-hydroxy-; Rhodiarome; Vanillin, ethyl-
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT, PH CONTROL AGENT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Floral 3-ETHOXY PROTOCATECHUALDEHYDE |
|---|---|
| GHS notification summary | 78.7% (1611 / 2046) |
| GHS notification summary | 78.7% (1611 / 2046) |
|---|---|
| Reported hazard statements | H319 (20.7%), H302, H315, H335, H402, H412 |
This chemical does not meet GHS hazard criteria for 78.7% (1611 of 2046) of all reports.
H319 (20.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Ethyl Vanillin FCC · CAS 121-32-4 · C9H10O3. UNII YC9ST449YJ. Boiling Point: 285 °C; Boiling Point: 285.00 to 294.00 °C. @ 760.00 mm Hg; Melting Point: 171 to 172 °F (NTP, 1992).
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.