4-HEXEN-3-ONE

CAS No.：2497-21-4

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.

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4-HEXEN-3-ONE Basic information

Product Name:	4-HEXEN-3-ONE
Synonyms:	FEMA 3352;4-HEXEN-3-ONE;4-HEXENE-3-ONE;4-Hexen-3-one, predominantly trans >=90%;4-Hexen-3-one, 98%, mixture of isomers;NSC 245483;(E)-hex-4-en-3-one;Hexen-3-one, predoMinantly
CAS:	2497-21-4
MF:	C6H10O
MW:	98.14
EINECS:	219-681-2
Product Categories:	C3 to C6;Carbonyl Compounds;Ketones
Mol File:	2497-21-4.mol

4-HEXEN-3-ONE Chemical Properties

Melting point	-71.05°C (estimate)
Boiling point	135-137 °C (lit.)
density	0.858 g/mL at 25 °C (lit.)
refractive index	n20/D 1.44(lit.)
FEMA	3352 \| 4-HEXENE-3-ONE
Fp	94 °F
storage temp.	Sealed in dry,Room Temperature
Specific Gravity	0.855
JECFA Number	1125
CAS DataBase Reference	2497-21-4
EPA Substance Registry System	4-Hexen-3-one (2497-21-4)

Safety Information

Hazard Codes	Xn
Risk Statements	10-22-36/37/38
Safety Statements	16-26-36/37/39
RIDADR	UN 1224 3/PG 3
WGK Germany	3
RTECS	MP8659900
TSCA	Yes
HazardClass	3
PackingGroup	III
HS Code	29141990

MSDS Information

Provider	Language
SigmaAldrich	English

4-HEXEN-3-ONE Usage And Synthesis

Description	May be synthesized by hydration of 4-hexen-2-yne aqueous H2S04/HgS04; by hydrogenation of 2-hexen-5-yn-4-one over PdCaC03 catalyst in methanol.
Chemical Properties	4-Hexene-3-one has a pungent, acrid, metallic, ethereal odor
Chemical Properties	Clear colorless to yellow liquid
Occurrence	Reported found in cooked chicken, beef and pork
Preparation	By hydration of 4-hexen-2-yne aqueous H2SO4-HgSO4; by hydrogenation of 2-hexen-5-yn-4-one over Pd-CaCO3 catalyst in methanol.
Aroma threshold values	Aroma characteristics at 1.0%: pungent, horseradish and mustard with an ethyl vinyl ketone ethereal note, notes reminiscent of vinegar and rum.
Taste threshold values	Taste characteristics at 10 ppm: pungent mustard, pepper, horseradish, rum, roasted onion and slightly tropical nuances
General Description	4-Hexen-3-one is an unsaturated aldehyde that is reported to occur in strawberry fruit, essential oil of Ruta graveolens and Holigarna grahamii leaves. Due to its fruity fragrance, it is also used in the perfume industry.

4-HEXEN-3-ONE Preparation Products And Raw materials

Raw materials

1-Hexene-->TRANS-2-HEXENE

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