FEMA 2952

Synonym(s):3-Propylidene-1(3H)-isobenzofuranone

yellow liquid

3-Propylidenephthalide has a very powerful and warm, spicy herbaceous odor with a warm, spicy, herbaceous flavor.

Reported found in lovage root

3-Propylidenephthalide is used in Celery Essential Oil and preparation method thereof.

By condensing phthalic anhydride and butyric anhydride at 175°C in the presence of sodium butyrate.

Taste characteristics at 25 ppm: green, celery, sweet and lovage with vegetative and herbal nuances.

Clear yellow liquid.

May be sensitive to prolonged exposure to air and moisture . Insoluble in water.

A ketone and an ether derivative.

ACUTE/CHRONIC HAZARDS: FEMA 2952 can cause irritation of the skin and eyes. When heated to decomposition it emits acrid smoke and fumes.

FEMA 2952 is probably combustible.

Melting point:	5 °C(lit.)
Boiling point:	170 °C12 mm Hg(lit.)
Density	1.122 g/mL at 25 °C(lit.)
refractive index	n20/D 1.586(lit.)
FEMA	2952 \| 3-PROPYLIDENEPHTHALIDE
Flash point:	>230 °F
Odor	at 10.00 % in dipropylene glycol. celery herbal cortex lovage maple fenugreek phenolic brothy vegetable brown
JECFA Number	1168
BRN	4486
Stability:	Stable. Combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference	17369-59-4(CAS DataBase Reference)
EPA Substance Registry System	3-Propylidenephthalide (17369-59-4)

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H317:Sensitisation, Skin
Precautionary Statement Codes	P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water.