6-Methylhept-5-en-2-on

Other Classes -> Aliphatic Ketones, Other

Other Classes -> Aliphatic Ketones, Other

Fragrance Ingredient (6-Methyl-5-hepten-2-one) -> IFRA transparency List

Fragrance Ingredient (Methylheptenone (isomer unspecified)) -> IFRA transparency List

0.8546 @ 16 °C/4 °C

0.846-0.854

INSOL IN WATER; SOL IN ALL PROP WITH ALCOHOL, ETHER

3351 /mg/L @ 20 °C (exp)

Insoluble in water; soluble in oils and organic solvents

Miscible at room temperature (in ethanol)

Warning

H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]

P210, P233, P240, P241, P242, P243, P264+P265, P280, P303+P361+P353, P305+P351+P338, P337+P317, P370+P378, P403+P235, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 1822 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

This chemical does not meet GHS hazard criteria for < 0.1% (1 of 1601) of reports.

Warning

Chemical: 5-Hepten-2-one, 6-methyl-

Chemical: Heptenone, methyl-

Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)

Status: Active Update: 27-10-2020 https://echa.europa.eu/registration-dossier/-/registered-dossier/12205

5-Hepten-2-one, 6-methyl-: Does not have an individual approval but may be used under an appropriate group standard

No sensitization when patch testing 3% in petrolatum on 25 volunteers; [HSDB]

No skin sensitization observed in study of 25 volunteers; [IUCLID] Mild skin irritation observed in rabbits (nearly reversed in 48 hours); Causes mild corneal opacity and mild conjunctival redness in rabbits 24 hours following application (completely reversed within 8 days); Not a skin sensitizer in guinea pigs; Significant effects to sperm, significantly increased absolute and relative liver and kidney weights, decreased size of the testes and epididymis, and histopathological changes of the liver, kidney, and testes observed in 90-day oral study of rats at the highest tested dose (1,000 mg/kg/day, with a LOAEL of 50 mg/kg/day); [OECD SIDS] Safe when used as a flavoring agent in food; [JECFA] May cause irritation; [Sigma-Aldrich MSDS]

21 CFR 172.515; SYNTHETIC FLAVOR & ADJUVANTS USEFUL IN CITRUS, BANANA, PEAR, BERRY

21 CFR 121.1164

1 - Materials that, under emergency conditions, can cause significant irritation.

2 - Materials that must be moderately heated or exposed to relatively high ambient temperatures before ignition can occur. Materials would not under normal conditions form hazardous atmospheres with air, but under high ambient temperatures or under moderate heating could release vapor in sufficient quantities to produce hazardous atmospheres with air.

0 - Materials that in themselves are normally stable, even under fire conditions.

Flam. Liq. 3 (100%)

Flam. Liq. 3 (98.2%)

Flammable liquids - Category 3

TESTED AT 3% IN PETROLATUM, IT PRODUCED NO IRRITATION AFTER A 48-HR CLOSED-PATCH TEST ON HUMAN SUBJECTS. A MAXIMIZATION TEST WAS CARRIED OUT ON 25 VOLUNTEERS. THE MATERIAL WAS TESTED AT A CONCN OF 3% IN PETROLATUM & PRODUCED NO SENSITIZATION REACTIONS.

21 CFR 172.515; SYNTHETIC FLAVOR & ADJUVANTS USEFUL IN CITRUS, BANANA, PEAR, BERRY

21 CFR 121.1164

Found in oil of lemon grass; Used in organic synthesis and in perfumes and flavoring; [Hawley]

Used as flavor enhancer; [FDA] Used mainly for chemical synthesis (closed systems); Also used in cleaning agents and as a flavor or aroma additive in cosmetics and food; [OECD SIDS]

ORGANIC SYNTHESIS; INEXPENSIVE PERFUMES; SYNTHETIC FLAVORING AGENT

FLAVORING AGENT IN NON-ALCOHOLIC BEVERAGES, IN ICE CREAM, ICES & CANDY, IN BAKED GOODS, IN GELATINS & PUDDINGS (ISOMERIC MIXT); CHEM INT FOR ISOMETHEPTENE (6-METHYL-5-HEPTEN-2-ONE) & VITAMIN A (6-METHYL-5-HEPTEN-2-ONE); FRAGRANCE (METHYLHEPTENONE & DERIVATIVES)

(1979) No Data

(1981) No Data

(1980) 9.98X10+6 G-PRINCPL CUSTMS DISTS (MIXT)

(1981) 9.11X10+6 G-PRINCPL CUSTMS DISTS (MIXT)

(1978) MORE THAN 9.1X10+5 G (ISOMERIC MIXT)

(1979) MORE THAN 9.1X10+5 G (ISOMERIC MIXT)

FROM OIL OF LEMON GRASS OR BY CONTROLLED OXIDATION OF CORRESPONDING SECONDARY ALCOHOL.

REFLUX OF LEMONGRASS OIL OR CITRAL IN AQUEOUS POTASSIUM CARBONATE FOLLOWED BY FRACTIONATION; REACTION OF ACETOACETIC ESTER & METHYLBUTEN-3-OL-2 WITH ALUMINUM ALCOHOLATE FOLLOWED BY PYROLYSIS OF THE ESTER

Information on 6 consumer products that contain 6-Methyl-5-Hepten-2-One in the following categories is provided:

Information on 1 consumer products that contain Methylheptenone Isomers in the following categories is provided:

Fragrance Ingredients

Fragrance Ingredients

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

Flavoring Agents -> JECFA Flavorings Index

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

5-Hepten-2-one, 6-methyl-: ACTIVE

Heptenone, methyl-: ACTIVE

METHYL HEPTENONE WAS GIVEN GRAS STATUS BY FEMA (1965) & IS APPROVED BY THE FDA FOR FOOD USE (21 CFR 121.1164). THE COUNCIL OF EUROPE (1974) INCL METHYL HEPTENONE AT A LEVEL OF 1 PPM IN THE LIST OF ARTIFICIAL FLAVORING SUBSTANCES THAT MAY BE ADDED TO FOODSTUFFS WITHOUT HAZARD TO PUBLIC HEALTH.

FEMA NUMBER: 2707 LIMITATIONS: SYNTHETIC FLAVOR.

USE IN FRAGRANCES IN THE USA AMOUNTS TO APPROX 2000 LB/YR. CONCN IN FINAL PRODUCT (%): SOAP: USUAL 0.01, MAX 0.05; DETERGENT: USUAL 0.001, MAX 0.005; CREAMS, LOTIONS: USUAL 0.005, MAX 0.03; PERFUME: USUAL 0.04, MAX 0.3.

WHEN TESTED AGAINST WIDE VARIETY OF BACTERIA & FUNGI, METHYL HEPTENONE DISPLAYED MARKED ANTIBACTERIAL ACTIVITY & ONLY VERY LIMITED ANTIFUNGAL ACTIVITY. IT WAS ACTIVE AGAINST ALL SPECIES EXCEPT BACILLUS SUBTILIS & BACILLUS ANTHRACIS.