MilliporeSigma
All Photos(3)

W270733

Sigma-Aldrich

6-Methyl-5-hepten-2-one

greener alternative

natural, ≥98%, FCC

Sign Into View Organizational & Contract Pricing

Select a Size

Synonym(s):
6-methylhept-5-en-2-one, Methyl heptenone
Linear Formula:
(CH3)2C=CHCH2CH2COCH3
CAS Number:
Molecular Weight:
126.20
FEMA Number:
2707
Beilstein:
1741705
EC Number:
Council of Europe no.:
149c
MDL number:
PubChem Substance ID:
Flavis number:
7.015
NACRES:
NA.21

grade

Fragrance grade
Kosher
natural

Quality Level

Agency

follows IFRA guidelines
meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009
FCC

Assay

≥98%

greener alternative product characteristics

Less Hazardous Chemical Syntheses
Use of Renewable Feedstocks
Learn more about the Principles of Green Chemistry.

refractive index

n20/D 1.439 (lit.)

bp

73 °C/18 mmHg (lit.)

density

0.858 g/mL at 20 °C
0.855 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

greener alternative category

Organoleptic

apple; musty; fruity

SMILES string

C\C(C)=C\CCC(C)=O

InChI

1S/C8H14O/c1-7(2)5-4-6-8(3)9/h5H,4,6H2,1-3H3

InChI key

UHEPJGULSIKKTP-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
W270709W488401W376108
agency

follows IFRA guidelines, meets purity specifications of JECFA

agency

follows IFRA guidelines, meets purity specifications of JECFA

agency

follows IFRA guidelines

agency

meets purity specifications of JECFA

assay

≥98%

assay

≥98%

assay

≥95%

assay

98%

refractive index

n20/D 1.439 (lit.)

refractive index

n20/D 1.439 (lit.)

refractive index

n20/D 1.448 (lit.)

refractive index

n20/D 1.444 (lit.)

bp

73 °C/18 mmHg (lit.)

bp

73 °C/18 mmHg (lit.)

bp

78 °C/14 mmHg (lit.)

bp

170 °C (lit.)

density

0.858 g/mL at 20 °C, 0.855 g/mL at 25 °C (lit.)

density

0.858 g/mL at 20 °C, 0.855 g/mL at 25 °C (lit.)

density

0.844 g/mL at 25 °C (lit.)

density

0.845 g/mL at 25 °C (lit.)

General description

6-Methyl-5-hepten-2-one is one of the main flavor volatile of tomatoes.
We are committed to bringing you Greener Alternative Products, which adhere to one of the four categories of Greener Alternatives . This product is a Biobased products, showing key improvements in Green Chemistry Principles “Less Hazardous Chemical Syntheses” and “Use of Renewable Feedstock”.

Pictograms

Flame

Signal Word

Warning

Hazard Statements

Hazard Classifications

Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

132.8 °F - closed cup

Flash Point(C)

56 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 4

1 of 4

(S)-cis-Verbenol 95%

Sigma-Aldrich

247065

(S)-cis-Verbenol

Furfural natural, ≥98%, FCC, FG

Sigma-Aldrich

W248924

Furfural

Acetaldehyde natural, FG

Sigma-Aldrich

W200336

Acetaldehyde

Water suitable for HPLC

Sigma-Aldrich

270733

Water

Thangavel Rajagopal et al.
Behavioural processes, 85(1), 58-67 (2010-06-16)
In ungulates the process of chemical communication by urinary scent marking has been directly related to reproductive dominance, territorial defense and proximity to resources. The differences in the frequency of urine marking and chemical composition of urine of males Antelope
B D Whitaker et al.
Journal of agricultural and food chemistry, 48(6), 2040-2043 (2000-07-11)
Conjugated triene (CT) oxidation products of alpha-farnesene have long been thought to be involved in development of superficial scald in apple fruit. Early studies found that CT hydroperoxides and the volatile 6-methyl-5-hepten-2-one (MHO) are major in vitro autoxidation products of
E Sprecher et al.
Antonie van Leeuwenhoek, 49(4-5), 493-499 (1983-11-01)
The accumulation of volatile metabolites in cultures of 34 strains comprising ten species of the genus Ceratocystis (Ascomycetes) has been investigated under defined culture conditions. The identified compounds include short-chain alcohols and esters, lower terpenes, terpenoids, and 2-phenylethyl acetate. Certain
Yohko Hanzawa et al.
Journal of oleo science, 61(11), 631-640 (2012-11-10)
3-hydroxy acids, 3-hydroxy-3,7-dimethyloct-6-enoic acid (1) and 3-hydroxy-2,2,3,7-tetramethyloct-6-enoic acid (2), were prepared from 6-methyl-5-hepten-2-one, and they were subsequently used to prepare (2,6,6-trimethyltetrahydropyran-2-yl)acetic acid (3) and 2-methyl-2-(2,6,6-trimethyltetrahydropyran-2-yl)propanoic acid (4), respectively, via cyclization with an acidic catalyst such as boron trifluoride diethyl etherate
W Reichardt
Canadian journal of microbiology, 27(1), 144-147 (1981-01-01)
Certain norcarotenoids, which have recently been found as excretion products of freshwater cyanobacteria and algae, are potent inhibitors of different metabolic functions in heterotrophic bacteria. 6-Methylhept-5-en-2-one showed the strongest effects and acted as a noncompetitive inhibitor of both glucose uptake

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service