Ingredient Dictionary

AMYL PROPIONATE

Pentyl propanoate is a propanoate ester of pentan-1-ol.

Definition

Pentyl propanoate is a propanoate ester of pentan-1-ol. It has a role as a fungal metabolite. It is functionally related to a pentan-1-ol.

Source: PubChem

US FDA substance register · UNII 826P0596UJ · registered name AMYL 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

AMYL PROPIONATEINCIPropanoic acid, pentyl esterSynonym

CAS No.chemical registry number: 624-54-4
EC No.EU chemical inventory number: 210-852-7
DTXSIDUS EPA chemical ID: DTXSID4041606
DTXCIDUS EPA compound ID: DTXCID2021606

IUPAC: Pentyl propanoate
Molecular formula: C8H16O2
Molecular weight: 144.214 g/mol

Measured properties

Appearance: N-pentyl propionate is a colorless liquid with an apple-like odor. Floats on water. (USCG, 1999) · Liquid
Boiling point: 167.00 to 169.00 °C. @ 760.00 mm Hg
Melting point: -73.1 °C
Solubility: 0.81 mg/mL at 25 °C
Density: 0.869 to 0.873 at 68 °F (USCG, 1999)
Colour: colourless
Melting/freezing point: -73.1 ℃
Initial boiling point and range: 168.6 ℃
Flash point: 57.2 ℃(c.c.)
Flammability (solid, gas): flammable
Vapour pressure: 3.6 ㎜Hg (at 25 ℃)
Water solubility: 810 ㎎/ℓ (at 25 ℃)
Vapour density: 4.97 (air=1)
Relative density: 0.872 (at 20 ℃)
n-Octanol/water partition coefficient (Kow): 2.83 (est.)
Auto-ignition temperature: 356 ℃
Viscosity: 1.04 cP (at 20 ℃)
Molecular weight: 144.22

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 10 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.

Solvent4
Fragrance3
Processing aids not otherwise specified2
Flavouring and nutrient1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

4 skin studies and 2 eye studies are on record.

Classed as low2

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 6 studies

Classification not possible
Skin Sensitization · Screening
Not likely to be sensitizing
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) according to EU Method B.42 (Skin Sensitisation: Local Lymph Node Assay) according to EPA OPPTS 870.2600 (Skin Sensitisation)
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) equivalent or similar to
Classification not possible
Skin Irritation · Screening
Classification not possible
Eye Irritation · Screening
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) equivalent or similar to