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HomeProduct name list4-Methylanisole

4-Methylanisole

  • CAS NO.:104-93-8
  • Empirical Formula: C8H10O
  • Molecular Weight: 122.16
  • MDL number: MFCD00008413
  • EINECS: 203-253-7
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-09-10 19:09:04
4-Methylanisole Structural

What is 4-Methylanisole?

Description

p-Methylanisole has a pungent odor suggestive of ylang-ylang. May be prepared by methylation of p-cresol.

Chemical properties

colourless liquid

Chemical properties

p-Methylanisole has a pungent odor suggestive of ylang-ylang.

Occurrence

Reported found in the oils of ylang-ylang, cananga and flowers of Mimusops elengi L. Also reported found in tomato, blue and Camembert cheese, starfruit, buckwheat, rooibus tea (Aspalathus linearis) and tapereba (Spondias lutea).

The Uses of 4-Methylanisole

4-Methylanisole was used to prepare 5-methoxy-1,8-dimethyltetralin. It was also used as the solubilizate molecule to study the site of incorporation of solubilizates in sodium dodecyl sulfate (SDS) micellar systems.

The Uses of 4-Methylanisole

Perfumery, flavoring.

The Uses of 4-Methylanisole

4-Methylanisole may be used as an analytical standard for the determination of the analyte in Malus taxa flowers, coffee brews, aqueous matrices, food products, and Ficus semicordata by various chromatography techniques.

Preparation

By methylation of p-cresol.

Definition

ChEBI: 1-Methoxy-4-methylbenzene is a member of methoxybenzenes.

Aroma threshold values

Detection: 200 ppb

Taste threshold values

Taste characteristics at 20 ppm: naphthyl, phenolic, camphoraceous, cooling and woody.

Synthesis Reference(s)

Journal of the American Chemical Society, 113, p. 8516, 1991 DOI: 10.1021/ja00022a046
Tetrahedron Letters, 32, p. 2759, 1991 DOI: 10.1016/0040-4039(91)85078-J
The Journal of Organic Chemistry, 59, p. 4687, 1994 DOI: 10.1021/jo00095a054

General Description

4-Methylanisole is an odorant benzenoid belonging to the group of volatile organic compounds (VOCs). It can contribute to the floral scent of the plants. 4-Methylanisole is typically a lignin-derived bio-oil that is also a major ingredient of certain food products.

Safety Profile

Moderately toxic by ingestion. A skin irritant. Flammable liquid when exposed to heat, sparks, or flame. When heated to decomposition it emits acrid smoke and irritating fumes.

Purification Methods

Dissolve 4-methyl anisole in diethyl ether, wash it with M NaOH, water, dry (Na2CO3), evaporate and distil it under vacuum. The picrate has m 103o (from aqueous EtOH). [Beilstein 6 IV 2098.]

Properties of 4-Methylanisole

Melting point: -32°C
Boiling point: 174 °C(lit.)
Density  0.969 g/mL at 25 °C(lit.)
vapor pressure  5.25 mm Hg ( 50 °C)
refractive index  n20/D 1.511(lit.)
FEMA  2681 | P-METHYLANISOLE
Flash point: 128 °F
storage temp.  Sealed in dry,Room Temperature
solubility  Chloroform (Soluble), Ethyl Acetate (Slightly)
form  Liquid
color  Clear colorless to slightly yellow
Odor at 1.00 % in dipropylene glycol. naphthyl cresol ylang powdery nutty
Odor Threshold 0.0012ppm
explosive limit 1.1-8.3%(V)
Water Solubility  slightly soluble
λmax 279nm(MeOH)(lit.)
JECFA Number 1243
BRN  1237336
Dielectric constant 4.0300000000000002
Stability: Stable. Incompatible with strong oxidizing agents. Combustible.
CAS DataBase Reference 104-93-8(CAS DataBase Reference)
NIST Chemistry Reference Benzene, 1-methoxy-4-methyl-(104-93-8)
EPA Substance Registry System p-Methylanisole (104-93-8)

Safety information for 4-Methylanisole

Signal word Warning
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
ghs
Health Hazard
GHS08
GHS Hazard Statements H226:Flammable liquids
H302:Acute toxicity,oral
H315:Skin corrosion/irritation
H361:Reproductive toxicity
H412:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P202:Do not handle until all safety precautions have been read and understood.
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P273:Avoid release to the environment.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P308+P313:IF exposed or concerned: Get medical advice/attention.

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