2',4'-Dimethylacetophenone CAS 89-74-7

Introduction：Basic information about 2',4'-Dimethylacetophenone CAS 89-74-7, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

2',4'-Dimethylacetophenone Basic information

• Product Name: 2',4'-Dimethylacetophenone
• Synonyms: 4-ACETYL-M-XYLENE;2,4-Dimethyl-5-acetalthiazole;Acetyl-m-xylene;2,4-DIMETHYLACETOPHENONE FOR SYNTHESIS;DiMethylacetophenone;1-(2,4-Dimethylphenyl)ethan-1-one, 4-Acetyl-m-xylene;1-(2,4-DIMETHYLPHENYL)ETHAN-1-ONE;2,4-DIMETHYLACETOPHENONE
• CAS: 89-74-7
• MF: C10H12O
• MW: 148.2
• EINECS: 201-935-9
• Product Categories: C10;Carbonyl Compounds;Ketones;Alphabetical Listings;C-D;Flavors and Fragrances;thiazole Flavor;Aromatic Acetophenones & Derivatives (substituted);FINE Chemical & INTERMEDIATES
• Mol File: 89-74-7.mol

2',4'-Dimethylacetophenone Chemical Properties

• Melting point: 22.95°C
• Boiling point: 117-118 °C18 mm Hg(lit.)
• density: 0.997 g/mL at 25 °C(lit.)
• FEMA: 2387 | 2,4-DIMETHYLACETOPHENONE
• refractive index: n20/D 1.535(lit.)
• Fp: 212 °F
• storage temp.: Store below +30°C.
• solubility: Chloroform (Soluble), Methanol (Slightly)
• form: clear liquid
• color: White to Yellow to Green
• Odor: at 10.00 % in dipropylene glycol. floral woody sweet mimosa minty
• Odor Type: floral
• biological source: synthetic
• JECFA Number: 809
• BRN: 956772
• InChI: 1S/C10H12O/c1-7-4-5-10(9(3)11)8(2)6-7/h4-6H,1-3H3
• InChIKey: HSDSKVWQTONQBJ-UHFFFAOYSA-N
• SMILES: CC(=O)c1ccc(C)cc1C
• LogP: 2.59
• CAS DataBase Reference: 89-74-7(CAS DataBase Reference)
• NIST Chemistry Reference: 2,4-(CH3)2C6H3-COCH3(89-74-7)
• EPA Substance Registry System: Ethanone, 1-(2,4-dimethylphenyl)- (89-74-7)

Safety Information

• Hazard Codes: Xn,Xi
• Risk Statements: 36-20/22
• Safety Statements: 39-26-24/25
• WGK Germany: 2
• Hazard Note: Irritant/Harmful
• TSCA: TSCA listed
• HS Code: 29143990
• Storage Class: 10 - Combustible liquids

2',4'-Dimethylacetophenone Usage And Synthesis

Uses in Perfume

2',4'-Dimethylacetophenone can be used in perfume compositions for NewMown Hay, Fougere, Clover, Mimosa andother floral and non-floral perfumes, mainlyin soap and detergent perfumes, room sprays,etc.
Finds a little use in flavor compositions forimitation Grape, in Vanilla flavors, Creamsoda compositions, etc.

Chemical Properties

CLEAR COLORLESS TO VERY SLIGHTLY YELLOW LIQUID

Chemical Properties

2,4-Dimethylacetophenone has a sweet-floral, woody odor, rather pungent inthe pure state, but almost Mimosa-like inextreme dilution or in proper compositionwith other perfume chemicals.

Occurrence

Reported found in cinnamon bark, wine, tea, watercress and dried bonito.

Uses

2',4'-DIMETHYLACETOPHENONE (cas# 89-74-7) is a useful research chemical. This compound can be used to detect aldosterone aroma in tobacco compounds using Gas Chromatography. It can also be used for protecting food products.

Preparation

By condensation of acetylchloride and m-xylene in the presence of aluminum chloride or in the presence of ferricchloride

Aroma threshold values

Aroma characteristics at 1.0%; sweet chemical, slightly fruity cherry and powdery coumarin like, anisic,slightly camphoraceous with a slightly camphoraceous with a hint of coconut

Taste threshold values

Taste characteristics at 5 ppm: naphthyl phenolic, coumarin, coconut, oily and chemical.

Synthesis Reference(s)

The Journal of Organic Chemistry, 46, p. 2974, 1981 DOI: 10.1021/jo00327a028

2',4'-Dimethylacetophenone Preparation Products And Raw materials

• Raw materials: m-Xylene
• Preparation Products: 5-(2,4-DIMETHYL-PHENYL)-3H-THIENO[2,3-D]PYRIMIDIN-4-ONE-->1-ETHYNYL-2,4-DIMETHYL-BENZENE-->2-AMINO-4-(2,4-DIMETHYL-PHENYL)-THIOPHENE-3-CARBOXYLIC ACID ETHYL ESTER-->2-bromomethyl-4-methyl-benzoic acid methyl ester-->2,6-DIMETHYLACETOPHENONE-->(2E)-1-(2,4-dimethylphenyl)-3-(4-methoxyphenyl)prop-2-en-1-one-->2-(2,4-dimethylphenyl)quinoline-4-carbonyl chloride-->1-(2,4-DIMETHYL-PHENYL)-ETHYLAMINE