Ingredient Dictionary

METHYLHEPTADIENONE

6-Methyl-3E,5-heptadien-2-one is an enone.

Korean limit: 0.002%

METHYLHEPTADIENONE Molecular structure — Molecular structure

Definition

6-Methyl-3E,5-heptadien-2-one is an enone.

Source: PubChem

US FDA substance register · UNII P7CMP2E76C · registered name 6-METHYL-3,5-HEPTADIEN-2-ONE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Gives the product a scentPERFUMING

Safety & regulatory references

Restricted: International fragrance standard (IFRA) · United Kingdom

Source: EU Cosmetics Regulation · IFRA fragrance standards · MFDS (Korea) cosmetic regulatory information · UK cosmetics regulations (OPSS)

South Korea

Maximum concentration : 0.002%

European Union

Product Type, body parts : (a) Oral products (b) Other products
Maximum concentration in ready for use preparation : (b) 0.002%

Source: MFDS (Korea) cosmetic regulatory information

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

EU Cosmetics Regulation, Annex III (restricted substances), entry 178 · maximum concentration (b) 0.002% · applies to (a) Oral products (b) Other products

Source: EU restricted substances (Annex III)

Restriction III/178

Source: EU CosIng ingredient list

More data — names, identifiers, properties, test records, literature

Names & identifiers

METHYLHEPTADIENONEINCI3,5-Heptadien-2-one, 6-methyl-SynonymMETHYL HEPTADIENONESynonym

CAS No.chemical registry number: 1604-28-0
EC No.EU chemical inventory number: 216-507-7
DTXSIDUS EPA chemical ID: DTXSID7051761
DTXCIDUS EPA compound ID: DTXCID6030316

IUPAC: 6-Methylhepta-3,5-dien-2-one
Molecular formula: C8H12O
Molecular weight: 124.183 g/mol

Measured properties

Melting/freezing point: -40.65 ℃(EST)
Initial boiling point and range: 170.92 ℃(EST)
Vapour pressure: 2.01 ㎜Hg (EST at 25 deg C)
Water solubility: 1454 ㎎/ℓ (EST at 25 deg C)
n-Octanol/water partition coefficient (Kow): 2.14 (EST)
Molecular weight: 124.18

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: KOSHA safety data sheets (Korea)

What products actually use it for

What the 5 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Flavouring and nutrient3
Fragrance2

Source: US EPA CompTox dashboard