CAS 110-41-8PubChem CID 61031
2-Methylundecanal
2-methyl-Undecanal is a saturated fatty aldehyde and a 2-methyl-branched fatty aldehyde. — ChEBI
- IUPAC name
- 2-methylundecanal
- Molecular formula
- C12H24O
- Molecular weight
- 184.32 g/mol
- Exact mass
- 184.182715385 Da
- XLogP3
- 4.9
- Topological polar surface area
- 17.1 Ų
- Hydrogen-bond donors
- 0
- Hydrogen-bond acceptors
- 1
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
UNDECANAL, 2-METHYL-Aldehyde M.N.A.MethylnonylacetaldehydeAldehyde C-12Methyl-n-nonylacetaldehyde2-MethylhendecanalMethylnonylacetic aldehydeAldehyde C-12 mna
16 more reported names
2-methyl UndecanalMethyl n-nonyl acetaldehydeMethyl nonyl acetic aldehyde2-Methyl-1-undecanalFEMA No. 2749Methyl nonyl acetaldehydeMethyl n-nonyl acetic aldehydeUNII-S94QNS2VY5EINECS 203-765-0S94QNS2VY5NSC 46127Aldehyde C-12, M.N.A.BRN 1758291AI3-03960NSC-461272-METHYLUNDECANAL [FCC]
External database identifiers
- ChEBI:CHEBI:229419
- ChEMBL:CHEMBL3182849
- EPA DTXSID:DTXSID9047629
Evidence from additional scientific databases
NIH PubChem PUG-View
Exact identifier match61031
Attributed physical-property, hazard, environmental and use annotations.
- Boiling Point: 171 °C Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Density: 0.822-0.830 Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Physical Description: Dry Powder; Liquid; Liquid; CBI Source: EPA Chemical Data Reporting (CDR)
- Physical Description: Slightly yellow liquid with a fatty odor; [Acros Organics MSDS] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Physical Description: colourless to slightly yellow liquid with a fatty odour Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Refractive Index: 1.431-1.436 Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Solubility: soluble in fixed oils, alcohol, and propylene glycol (solution may be turbid); insoluble in glycerol Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Solubility: (in ethanol) Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Signal: Warning Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H315 (> 99.9%): Causes skin irritation [Warning Skin corrosion/irritation]; H317 (85.7%): May cause an allergic skin reaction [Warning Sensitization, Skin]; H319 (11.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H400 (84.1%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]; H410 (80%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]; H412 (14.3%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P261, P264, P264+P265, P272, P273, P280, P302+P352, P305+P351+P338, P321, P332+P317, P333+P317, P337+P317, P362+P364, P391, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 1925 reports by companies from 13 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- Consumer Uses: Fragrance Source: EPA Chemical Data Reporting (CDR)
- Industry Uses: Fragrance Source: EPA Chemical Data Reporting (CDR)
- Sources/Uses: Used as flavoring agent or adjuvant; [FDA] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.