2',4'-Dimethylacetophenone

CAS NO.：89-74-7
Empirical Formula: C10H12O
Molecular Weight: 148.2
MDL number: MFCD00003571
EINECS: 201-935-9
SAFETY DATA SHEET (SDS)
Update Date: 2024-12-18 14:08:52

What is 2',4'-Dimethylacetophenone?

Chemical properties

CLEAR COLORLESS TO VERY SLIGHTLY YELLOW LIQUID

Chemical properties

2,4-Dimethylacetophenone has a sweet-floral, woody odor, rather pungent in the pure state, but almost Mimosa-like in extreme dilution or in proper composition with other perfume chemicals.

Occurrence

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

The Uses of 2',4'-Dimethylacetophenone

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 ferric chloride

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

Properties of 2',4'-Dimethylacetophenone

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.)
Flash point:	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
JECFA Number	809
BRN	956772
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 for 2',4'-Dimethylacetophenone

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.