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Home > Encyclopedia > 2-Methylundecanal

2-Methylundecanal

2-Methylundecanal structure

2-Methylundecanal 

structure
  • CAS No:

    110-41-8

  • Formula:

    C12H24O

  • Chemical Name:

    2-Methylundecanal

  • Synonyms:

    Undecanal,2-methyl-;2-Methylundecanal;Methyl n-nonyl acetaldehyde;Methylnonylacetaldehyde;2-Methyl-1-undecanal;Aldehyde M.N.A.;NSC 46127;Aldehyde C-12 MNA;135026-96-9

  • Categories:

    Cosmetic Ingredient  >  Perfuming

Description

2-Methylundecanal has a characteristic fatty odor assuming a floral note on dilution. At high levels, it has an acrid, fatty, unpleasant flavor. At low levels, the flavor is honey and nut-like. clear colourless to yellowish liquid2-Methylundecanal has a characteristic fatty odor assuming a floral note on dilution. It has an acrid, fatty unpleasant flavor at high levels. At low levels, the flavor is honey- and nut-like. It may be prepared by cracking the corresponding glycidic acid; from α-


Liquid|colourless to slightly yellow liquid with a fatty odour

2-Methylundecanal Basic Attributes

184.32

184.32

203-765-0

46127

DTXSID9047629

2912190090

Characteristics

17.1

4.97

Liquid

0.836 g/cm3 @ Temp: 0 °C

119-122 °C @ Press: 16 Torr

200 °F

n 20/D 1.432(lit.)

soluble in fixed oils, alcohol, and propylene glycol (solution may be turbid); insoluble in glycerol

0.0107mmHg at 25°C

The acute oral LD 50 value was reported as > 5 g/kg in the rat . The acute dermal LD 50 for sample no. 71-16 was reported to be > 10 g/kg in the rabbit

Safety Information

1

S24/25

YQ1509000

P261, P264, P272, P273, P280, P302+P352, P305+P351+P338, P321, P332+P313, P333+P313, P337+P313, P362, P363, P391, P501

H315

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P272, P273, P280, P302+P352, P305+P351+P338, P321, P332+P313, P333+P313, P337+P313, P362, P363, P391, and P501|Aggregated GHS information provided by 1771 companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

2-Methylundecanal Use and Manufacturing

Methods of Manufacturing

By methyl nonanone or α-nonyl acrolein and ethyl chloroacetate in the presence of sodium ethoxide. Can be obtained by cracking the corresponding glycidic acid (glycidic acid).

Uses

Perfumery, flavoring.


Odor agents


Air care products

Production

500,000 - 1,000,000 lb

Fragrances|Undecanal, 2-methyl-: ACTIVE

EPA Safer Chemical Functional Use Classes -> Fragrances|Safer Chemical Classes -> Yellow triangle - The chemical has met Safer Choice Criteria for its functional ingredient-class, but has some hazard profile issues|Food additives -> Flavoring Agents|Flavoring Agents -> JECFA Flavorings Index

Flavoring Agents

Computed Properties

Molecular Weight:184.32
XLogP3:4.9
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
Complexity:110
Undefined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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