2-甲基十一醛

Description

2-Methylundecanal · CAS 110-41-8 · C12H24O. UNII S94QNS2VY5. Boiling Point: 171 °C; Density: 0.822-0.830; Refractive Index: 1.431-1.436.

Identification

CAS Registry Number	110-41-8
PubChem CID	61031
Molecular formula	C12H24O
IUPAC name	2-methylundecanal
UNII (FDA)	S94QNS2VY5
FEMA number	2749
JECFA number	275

Computed Descriptors

Molecular Weight	184.32
XLogP3	4.9
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	9
Exact Mass	184.182715385
Monoisotopic Mass	184.182715385
Topological Polar Surface Area	17.1
Heavy Atom Count	13
Formal Charge	0

Physical & Chemical Properties

Boiling Point	171 °C
Density	0.822-0.830
Refractive Index	1.431-1.436

Physical description & handling notes

• Dry Powder; Liquid; Liquid; CBI
• Slightly yellow liquid with a fatty odor; [Acros Organics MSDS]
• colourless to slightly yellow liquid with a fatty odour
• soluble in fixed oils, alcohol, and propylene glycol (solution may be turbid); insoluble in glycerol
• (in ethanol)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent No safety concern at current levels of intake when used as a flavouring agent TRS 884-JECFA 49/37

GHS Hazard Classification

Reported hazard statements	H315, H317 (85.7%), H319 (11.2%), H400 (84.1%), H410 (80%), H412 (14.3%)

Documented Uses

• Used as flavoring agent or adjuvant; [FDA]
• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index
• Information on 98 consumer products that contain Methylundecanal in the following categories is provided:
• 2023: 10,000,000 - <25,000,000 lb
• 2022: 10,000,000 - <25,000,000 lb

Synonyms

2-Methylundecanal; 110-41-8; UNDECANAL, 2-METHYL-; Aldehyde M.N.A.; Methylnonylacetaldehyde; Aldehyde C-12; Methyl-n-nonylacetaldehyde; 2-Methylhendecanal; Methylnonylacetic aldehyde; Aldehyde C-12 mna; 2-methyl Undecanal; Methyl n-nonyl acetaldehyde; Methyl nonyl acetic aldehyde; 2-Methyl-1-undecanal; FEMA No. 2749; Methyl nonyl acetaldehyde

Frequently Asked Questions

What are the CAS number and molecular formula of 2-Methylundecanal?

CAS 110-41-8; molecular formula C12H24O; molecular weight — g/mol.

What other names is 2-Methylundecanal known by?

2-Methylundecanal, 110-41-8, UNDECANAL, 2-METHYL-, Aldehyde M.N.A., Methylnonylacetaldehyde, Aldehyde C-12.

What is the regulatory status of 2-Methylundecanal?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is 2-Methylundecanal classified as hazardous?

Hazard statements reported: H315, H317, H319, H400, H410.

What are the key physical properties of 2-Methylundecanal?

Boiling Point: 171 °C; Density: 0.822-0.830; Refractive Index: 1.431-1.436.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.