Molecular Formula: C₁₁H₁₂O₂
Molar mass: 176.21 g/mol
Density: 1.034 g/cm³
Flash Point: 80 °C
Index of Refraction: 1.468
Boiling Point: 201.9 °C at 760 mmHg
Vapour Pressure: 0.301 mmHg at 25°C
Appearance: Colorless to light yellow liqui
Structure of 5-Methyl-2-acetylfuran(1193-79-9):
                     
Synonyms of 5-Methyl-2-acetylfuran(1193-79-9): 1-(5-methyl-2-furyl)ethanone;ethanone, 1-(5-methyl-2-furanyl)-;2-Acetyl-5-methyl-furan;5-methyl-2-furylmethylketone;1-(5-Methyl-2-furanyl)ethanone
Product Categories: Furan&Benzofuran;furnan Flavor;Heterocyclic Building Blocks;Alphabetical Listings;Flavors and Fragrances

5-Methyl-2-acetylfuran(1193-79-9) can be used as a daily fragrance.

mouse

LD50

oral

438mg/kg (438mg/kg)

Drug and Chemical Toxicology. Vol. 3, Pg. 249, 1980.

Carcinogenicity of 5-Methyl-2-acetylfuran(1193-79-9) hasn't been listed as a carcinogen by  NTP, IARC,ACGIH, or CA Prop 65.You can see actual entry in RTECS for complete information.

Hazard Note: Harmful
Hazard Codes: Xi,Xn
Risk Statements:
22:  Harmful if swallowed 
Safety Statements:
36:  Wear suitable protective clothing

5-Methyl-2-acetylfuran(1193-79-9) is hazardous,so the first aid measures and others should be known .Such as:
Skin: Get medical aid. Should flush skin with plenty of water immediatelyfor at least 15 minutes while removing contaminated clothing and shoes.
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.Then get medical aid soon. 
Inhalation: Remove from exposure and move to fresh air immediately.
Ingestion: Wash mouth out with water,and get medical aid immediately.
Notes to Physician: Treat supportively and symptomatically.
Polymerization of the 5-Methyl-2-acetylfuran(1193-79-9) is not compatible with incompatible materials ,and you must not take it with strong oxidizing agents and strong bases .And also prevent it to broken down into hazardous decomposition products: Carbon dioxide,carbon monoxide.