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General Material Information

Preferred name 2-methyl undecanal dimethyl acetal
Trivial Name 1,1-Dimethoxy-2-methylundecane
Short Description aldehyde NMA DMA
Formula C14 H30 O2
CAS Number 68141-17-3
ECHA Number 268-839-7
FDA UNII Search
Nikkaji Number J260.944D
xLogP3-AA 5.60 (est)
NMR Predictor External link
Synonyms
  • aldehyde C-12 mna dimethyl acetal
  • aldehyde NMA DMA
  • diethyl acetal of aldehyde C-12 NMA
  • 1,1-dimethoxy-2-methyl undecane
  • 1,1-dimethoxy-2-methylundecane
  • methyl nonyl acetaldehyde dimethyl acetal
  • alpha- methyl-alpha-nonyl acetaldehyde dimethyl acetal
  • methylnonylacetaldehyde dimethacetal
  • 2-methylundecanal dimethyl acetal
  • MNA dimethyl acetal
  • undecane, 1,1-dimethoxy-2-methyl-
  • 1,1-Dimethoxy-2-methylundecane
  • 2-Methylundecanal dimethyl acetal

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Other Information

(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
HMDB (The Human Metabolome Database):Search
Export Tariff Code:2911.00.5000
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 230.39149475098
Specific gravity @ 25 °C
Pounds per Gallon 6.906 to 7.239
Refractive Index 1.425 to 1.44 @ 20 °C
Acid Value 5 max KOH/g
Vapor Pressure 0.025 mmHg @ 25 °C
Flash Point TCC Value 93.33 °C TCC
logP (o/w) 4.942 est
Solubility
alcohol Yes
water, 1.445 mg/L @ 25 °C (est) Yes
water No
Stability
alkalis Unspecified
amines Unspecified
ammonia Unspecified

Organoleptic Properties

Odor Type: Aldehydic
aldehydic, amber, lemon, green, waxy
Odor strength high , recommend smelling in a 1.00 % solution or less
Substantivity 400 hour(s) at 100.00 %
Luebke, William tgsc, (1985) At 1.00 % in dipropylene glycol. aldehydic amber lemon green waxy

Potential Uses

Applications
Odor purposes Aldehydic, Amber, Balsam, Citrus, Green, Herbal, Incense, Lemon, Woody
Other purposes Waxy
Cosmetic purposes Perfuming agents

Safety Information

Safety information

Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-rat LD50 > 5000 mg/kg
Food and Chemical Toxicology. Vol. 30(Suppl), Pg. 89S, 1992.

Dermal Toxicity:
skin-rabbit LD50 > 5000 mg/kg
Food and Chemical Toxicology. Vol. 30(Suppl), Pg. 89S, 1992.

Inhalation Toxicity:
Not determined

Safety in use information

Category:
fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for 2-methyl undecanal dimethyl acetal usage levels up to:
1.0000 % in the fragrance concentrate.
Recommendation for 2-methyl undecanal dimethyl acetal flavor usage levels up to:
not for flavor use.

Safety references

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):68141-17-3
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :109183
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:2
1,1-dimethoxy-2-methylundecane
Chemidplus:0068141173