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2-methyloxolan-3-one

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Origin: China

Cas No: 3188-00-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 3188-00-9 Formula: C5H8O2 Molecular Weight: 100.11600

Description

Coffee furanone (2-methyltetrahydrofuran-3-one) is a pleasant smelling liquid furan derivative which is a volatile constituent of the aroma complex of roasted coffee. Coffee furanone is less odorous than furfuryl mercaptan, which with an odor threshold of 0.005 ppb was the first high impact aroma chemical, but has a very pleasant sweet caramel character, with some nuttiness.

Basic Info

Chemical Name	2-methyloxolan-3-one
Synonyms	2-Methyltetrahydro-3-furanone; 2-methyl-4,5-dihydro-3-furanone; Tetrahydro-2-methylfuran-3-one; 2-methyltetrahydrofuran-3-one; Dihydro-2-methyl-3-furanone; 2-Methyltetrahydro-3-furanone (4,5-Dihydro-2-methyl-3(2H)-furanone; 2-Methyl-2H-furan-3-one; 2-Methyl-3-oxotetrahydrofuran; 2-Methyl tetrahydro-3-furanone; 4,5-Dihydro-2-methyl-3(2H)-furanone;
CAS No.	3188-00-9
Molecular Formula	C5H8O2
Molecular Weight	100.11600
PSA	26.30000
LogP	0.36430

Properties

Appearance & Physical State	Colorless to light yellow liquid
Density	1.045
Boiling Point	139ºC
Flash Point	38ºC
Refractive Index	1.426-1.431
Stability	Stable under normal temperatures and pressures.
Storage Condition	Keep away from heat, sparks, and flame.

Safety Info

RTECS	LU3579000
Hazard Class	3
Safety Statements	S24/25
HS Code	2932190090
WGK Germany	3
Packing Group	III
RIDADR	UN 1224 3/PG 3
Risk Statements	R36/37/38
Hazard Codes	Xi
Hazard Declaration	H226; H302
Symbol	GHS02, GHS07
Signal Word	Warning

Synthesis Route

L-ascorbic acid→2-acetylfuran+cyclohex-2-enone
α-Acetylbutyrolactone→2-methyloxolan-3-one
2,5-Didesoxy-D-glycero-3-pentulose-trimethylendithioacetal→2-methyloxolan-3-one

Precursor

Vitamin B1
2,5-Didesoxy-D-glycero-3-pentulose-trimethylendithioacetal
α-Acetylbutyrolactone
1-methyl-2-oxa-6,10-dithiaspiro[4.5]decane

Downstream Product

2-methylfuran-3-one

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