ChemicalBook CAS DataBase List 3188-00-9

3188-00-9

Name	2-Methyltetrahydrofuran-3-one
CAS	3188-00-9
EINECS(EC#)	221-685-4
Molecular Formula	C5H8O2
MDL Number	MFCD00010423
Molecular Weight	100.12
MOL File	3188-00-9.mol

Synonyms

2-METHYLTETRAHYDRO-3-FURANONE 2-METHYLTETRAHYDROFURAN-3-ONE 2-METHYLTETRHYDRO-3-FURANONE 4,5-DIHYDRO-2-METHYLFURAN-3(2H)-ONE COFFEE FURANONE DIHYDRO-2-METHYL-3(2H)-FURANONE FEMA 3373 TETRAHYDRO-2-METHYLFURAN-3-ONE 2-Methyl-3-ketotetrahydrofuran 2-methyl-3-oxo-tetrahydrofuran 2-Methyl-4,5-dihydro-3(2H)-furanone 2-Methyldihydro-3(2H)-furanone 2-Methyloxolan-3-one dihydro-2-methyl-3(2h)-furanon Dihydro-2-methyl-3-furanone Dihyro-2-methyl-3(2H)-furanone 4,5-DIHYDRO-2-METHYL-3(2H)-FURANONE 2-METHYLTETRAHYDROFURAN-3-ONE 97+% 3(2H)-Furanone, dihydro-2-methyl- 2-METHYLTETRAHYDROFURAN-3-ONE,98+%

Chemical Properties

Appearance	Colorless to light yellow liqui
Boiling point	139 °C (lit.)
density	1.034 g/mL at 25 °C(lit.)
FEMA	3373
refractive index	n20/D 1.429(lit.)
Fp	103 °F
storage temp.	Sealed in dry,Room Temperature
form	clear liquid
color	Colorless to Yellow to Green
Specific Gravity	1.034
Odor	at 10.00 % in dipropylene glycol. sweet solvent bread buttery nutty
biological source	synthetic
Odor Type	bready
JECFA Number	1448
BRN	1341334
Major Application	flavors and fragrances
InChI	1S/C5H8O2/c1-4-5(6)2-3-7-4/h4H,2-3H2,1H3
InChIKey	FCWYQRVIQDNGBI-UHFFFAOYSA-N
SMILES	CC1OCCC1=O
LogP	-0.65
CAS DataBase Reference	3188-00-9(CAS DataBase Reference)
NIST Chemistry Reference	3(2H)-Furanone, dihydro-2-methyl-(3188-00-9)
EPA Substance Registry System	3188-00-9(EPA Substance)

Safety Data

Symbol(GHS)	GHS02,GHS07
Signal word	Warning
Hazard statements	H226-H302
Precautionary statements	P210-P233-P240-P241-P242-P301+P312
Hazard Codes	Xn,T,Xi
Risk Statements	R10:Flammable. R22:Harmful if swallowed. R36/37/38:Irritating to eyes, respiratory system and skin . less more
Safety Statements	S16:Keep away from sources of ignition-No smoking . S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S36/37/39:Wear suitable protective clothing, gloves and eye/face protection . S24/25:Avoid contact with skin and eyes . less more
RIDADR	UN 1224 3/PG 3
WGK Germany	3
RTECS	LU3579000
F	3-9
Hazard Note	Toxic
TSCA	Yes
REACH Registrations	Inactive
HazardClass	3
PackingGroup	III
HS Code	29329990
Storage Class	3 - Flammable liquids
Hazard Classifications	Acute Tox. 4 Oral Flam. Liq. 3

Hazard Information

Description

2-Methyltetrahydrofuran-3-one has a bread, buttery topnote. May be prepared by hydrolytic decarboxylation of 2-methyl-4-carbomethoxytetrahydrofuran- 3-one; by acid-catalyzed ring closure of p-alkoxy- diazoketones.

Chemical Properties

2-Methyltetrahydrofuran-3-one has an odor reminiscent of wintergreen.

Chemical Properties

Colorless to light yellow liqui

Occurrence

Reported found as a constituent in coffee aroma; also as a volatile flavor component in roasted filbert nuts. Also reported found in guava, raisin, pineapple, onion, baked and fried potato, tomato, wheat bread, crispbread, smoked fish, cooked beef and pork, pork liver, rum, cocoa, coffee, peanuts, potato chips, passion fruit, beans, mushroom, tamarind, sweet potato, licorice, malt, dried bonito, cherimoya, okra and maté

Uses

2-Methyltetrahydro-3-furanone has been employed as an quorum sensing inhibitor-molecule to investigate its effect on growth and biofilm formation in Hafnia alvei.

Definition

ChEBI: Dihydro-2-methyl-3(2H)-furanone is a member of oxolanes.

Preparation

By hydrolytic decarboxylation of 2-methyl-4-carbomethoxytetrahydrofuran-3-one; by acid-catalyzed ring closure of β-alkoxy-diazoketones

Taste threshold values

Taste characteristics at 75 ppm: nutty and astringent with a slight creamy, almond nuance.

Material Safety Data Sheet(MSDS)

Spectrum Detail

Well-known Reagent Company Product Information

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