Ingredient Dictionary

METHYL PROPIONATE

Methyl propionate is a carboxylic ester.

Definition

Methyl propionate is a carboxylic ester.

Source: PubChem

US FDA substance register · UNII NB21C0D33W · registered name Methyl propionate · 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

METHYL PROPIONATEINCIPropanoic acid, methyl esterSynonym

CAS No.chemical registry number: 554-12-1
EC No.EU chemical inventory number: 209-060-4
DTXSIDUS EPA chemical ID: DTXSID7027201
DTXCIDUS EPA compound ID: DTXCID507201

IUPAC: Methyl propanoate
Molecular formula: C4H8O2
Molecular weight: 88.106 g/mol

Measured properties

Appearance: liquid
Colour: colourless
Odour threshold: 50 ppm (50 and 100)
Melting/freezing point: -88 ℃
Initial boiling point and range: 80 ℃
Flash point: -2 ℃
Upper/lower flammability or explosive limits: 13 / 2.5 %
Vapour pressure: 8.5 ㎪ (at 20 ℃)
Water solubility: 6.2 g/100㎖ (in water at 25 ℃)
Vapour density: 3.03 (air=1)
Relative density: 0.92 (relative, water=1)
n-Octanol/water partition coefficient (Kow): 0.82
Auto-ignition temperature: 465 ℃
Molecular weight: 88.11

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 4 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.

Fragrance2
Flavouring and nutrient2

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

1 skin studies and 1 eye studies are on record.

Classed as moderate1

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 2 studies

Category 6.3A (Category 2)
Skin Irritation · Read Across
Category 6.4A (Category 2A)
Eye Irritation · Read Across