Ingredient Dictionary

P-CRESYL ISOBUTYRATE

P-Tolyl isobutyrate is a member of phenols and a benzoate ester.

Definition

P-Tolyl isobutyrate is a member of phenols and a benzoate ester.

Source: PubChem

US FDA substance register · UNII 8H719PT14T · registered name P-CRESYL ISOBUTYRATE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Gives the product a scentPERFUMING

Safety & regulatory references

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

Source: Korea toxic substances GHS register (NIER)

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

Names & identifiers

P-CRESYL ISOBUTYRATEINCIPropanoic acid, 2-methyl-, 4-methylphenyl esterSynonym

CAS No.chemical registry number: 103-93-5
EC No.EU chemical inventory number: 203-159-6
DTXSIDUS EPA chemical ID: DTXSID0051522
DTXCIDUS EPA compound ID: DTXCID6030071

IUPAC: 3-Methyl-1-(4-methylphenyl)butan-2-one
Molecular formula: C12H16O
Molecular weight: 176.259 g/mol

Measured properties

Appearance: Colourless liquid, fruity odour
Boiling point: 237 °C
Solubility: insoluble in water, soluble in oils · miscible (in ethanol)
Density: 0.990-0.997
Water solubility: 140.7 ㎎/ℓ
n-Octanol/water partition coefficient (Kow): 3.05
Molecular weight: 178.25

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: PubChem · 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.

Fragrance3
Flavouring and nutrient2

Source: US EPA CompTox dashboard