ChemicalBook >> CAS DataBase List >>5-METHYL-2-HEPTEN-4-ONE

5-METHYL-2-HEPTEN-4-ONE

CAS No.
81925-81-7
Chemical Name:
5-METHYL-2-HEPTEN-4-ONE
Synonyms
FILBERTONE;FEMA 3761;Hazelnut ketone;filbert heptenone;5-METHYL-2-HEPT-4-ONE;5-methyl-2-hepten-4-on;5-Methylhept-2-en-4-one;5-METHYL-2-HEPTEN-4-ONE;2-hepten-4-one,5-methyl-;5-Methyl-2-hepten-4-one,99%
CBNumber:
CB0156208
Molecular Formula:
C8H14O
Molecular Weight:
126.2
MDL Number:
MFCD00792509
MOL File:
81925-81-7.mol
Last updated:2024-04-16 13:12:53

5-METHYL-2-HEPTEN-4-ONE Properties

Melting point -66.9°C (estimate)
Boiling point 170 °C(lit.)
Density 0.845 g/mL at 25 °C(lit.)
refractive index n20/D 1.444(lit.)
FEMA 3761 | 5-METHYL-2-HEPTEN-4-ONE
Flash point 126 °F
Odor at 1.00 % in dipropylene glycol. raw nut skin myrcene ketonic sweet hazelnut filbert
Odor Type nutty
JECFA Number 1133
LogP 1.97
CAS DataBase Reference 81925-81-7(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) 5-METHYL-2-HEPTEN-4-ONE
EWG's Food Scores 1
FDA UNII 8K2S58736F
EPA Substance Registry System 2-Hepten-4-one, 5-methyl- (81925-81-7)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS02
Signal word  Warning
Hazard statements  H226
Precautionary statements  P210
Risk Statements  10
Safety Statements  16
RIDADR  UN 1993 3/PG 1
WGK Germany  3
TSCA  Yes
HazardClass  3
PackingGroup  III
NFPA 704
2
2 0

5-METHYL-2-HEPTEN-4-ONE price More Price(16)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich W376109 5-Methyl-2-hepten-4-one solution natural, 10?wt. % in ethanol, FG 81925-81-7 25g $169 2024-03-01 Buy
Sigma-Aldrich W376109 5-Methyl-2-hepten-4-one solution natural, 10?wt. % in ethanol, FG 81925-81-7 100g $458 2024-03-01 Buy
Sigma-Aldrich W376108 5-Methyl-2-hepten-4-one, predominantly trans 98%, FG 81925-81-7 sample-k $54.6 2024-03-01 Buy
Sigma-Aldrich W376108 5-Methyl-2-hepten-4-one, predominantly trans 98%,FG 81925-81-7 100g $535 2024-03-01 Buy
Sigma-Aldrich W376108 5-Methyl-2-hepten-4-one, predominantly trans 98%,FG 81925-81-7 1kg $2760 2024-03-01 Buy
Product number Packaging Price Buy
W376109 25g $169 Buy
W376109 100g $458 Buy
W376108 sample-k $54.6 Buy
W376108 100g $535 Buy
W376108 1kg $2760 Buy

5-METHYL-2-HEPTEN-4-ONE Chemical Properties,Uses,Production

Description

5-Methyl-2-hepten-4-one has a hazelnut, metallic, buttery odor and a hazelnut, buttery, mushroom taste.

Chemical Properties

(2E)-5-Methyl-2-hepten-4-one has a fruity, hazelnut, and green odor reminding of dried fruits and a characteristic, nutty, roasted, and nougat-like hazelnut flavor. It was identified as the character compound of natural hazelnut flavor. Preparation is possible, for example, by Grignard reaction of 2-butyl magnesium chloride with crotonaldehyde and subsequent oxidation or by reaction of 2-methylbutanoyl chloride with propene.
The material is used in fragrances as top-note booster in exotic fruit and citrus notes and in nut, cocoa, coffee, and so on, flavors.

Chemical Properties

5-Methyl-2-hepten-4-one has a hazelnut, metallic, buttery odor and a hazelnut, buttery, mushroom taste.

Occurrence

Reported found in roasted hazelnuts and roasted filberts.

Aroma threshold values

Aroma characteristics at 1.0%: sweet roasted hazelnuts, rich nutty with a roasted nut skin.

Taste threshold values

Taste characteristics at 5 ppm: nutty, roasted, coffee, cocoa, brown with an earthy brown and meaty nuance, sugar fondant, delicate, hazelnut, with macadamia and pecan nuances

Trade name

Filbertone (Symrise).

5-METHYL-2-HEPTEN-4-ONE Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 129)Suppliers
Supplier Tel Email Country ProdList Advantage
Henan Fengda Chemical Co., Ltd
+86-371-86557731 +86-13613820652 info@fdachem.com China 7786 58
career henan chemical co
+86-0371-86658258 15093356674; factory@coreychem.com China 29826 58
Fuxin Pharmaceutical
+86-021-021-50872116 +8613122107989 contact@fuxinpharm.com China 10297 58
SIMAGCHEM CORP
+86-13806087780 sale@simagchem.com China 17367 58
Career Henan Chemica Co
+86-0371-86658258 15093356674; laboratory@coreychem.com China 30255 58
Dayang Chem (Hangzhou) Co.,Ltd.
571-88938639 +8617705817739 info@dycnchem.com CHINA 52867 58
CD Chemical Group Limited
+8615986615575 info@codchem.com China 20356 58
Henan Alfa Chemical Co., Ltd
+8618339805032 alfa4@alfachem.cn China 12755 58
Hefei TNJ Chemical Industry Co.,Ltd.
0551-65418684 +8618949823763 sales@tnjchem.com China 25363 58
Hangzhou MolCore BioPharmatech Co.,Ltd.
+86-057181025280; +8617767106207 sales@molcore.com China 49739 58

View Lastest Price from 5-METHYL-2-HEPTEN-4-ONE manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
5-METHYL-2-HEPTEN-4-ONE pictures 2024-04-16 5-METHYL-2-HEPTEN-4-ONE
81925-81-7
US $36.00-1.20 / kg 1kg 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
5-METHYL-2-HEPTEN-4-ONE pictures 2021-08-11 5-METHYL-2-HEPTEN-4-ONE
81925-81-7
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
5-METHYL-2-HEPTEN-4-ONE pictures 2019-12-23 5-METHYL-2-HEPTEN-4-ONE
81925-81-7
US $1.00 / KG 1KG 99% 1000KGS Career Henan Chemical Co
2-hepten-4-one,5-methyl- 5-methyl-2-hepten-4-on 5-METHYL-2-HEPTEN-4-ONE 98% PREDOMINAN 5-Methyl-2-hepten-4-one,99% 5-METHYL-2-HEPT-4-ONE 5-METHYL-2-HEPTEN-4-ONE IN 10% IN ETHANOL 5-METHYL-2-HEPTEN-4-ONE NATURAL 10% IN ETHANOL FEMA 3761 5-METHYL-2-HEPTEN-4-ONE Hazelnut ketone 5-Methylhept-2-en-4-one 5-Methyl-2-hepten-4-one, predoMinantly trans, 99% 5-Methyl-2-hepten-4-one, predominantly trans filbert heptenone 5-Methyl-2-hepten-4-one solution FILBERTONE Natural 5-Methyl-2-hepten-4-one 81925-81-7 C2H5CHCH3COCHCHCH3 Alphabetical Listings Flavors and Fragrances M-N