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Synthetic aroma chemicals

Pentyl formate

Also known as Formic acid, pentyl ester, n-Amyl formate, n-Pentyl formate

CAS 638-49-3Formula C6H12O2Molar mass 116.16 g/molEC 211-340-6
GHS signal word: Danger. Pictograms: Flammable, Harmful or irritant 1 supplier listed
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Pentyl formate chemical structure, C6H12O2, CAS 638-49-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
638-49-3
Formula
C6H12O2
Physical form
Liquid
HS code
291513
Category
Synthetic aroma chemicals
UN number
UN 1109
Illustrative photo, 200 litre steel drums of liquid in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Pentyl formate?

Plain description, key identifiers and synonyms

Pentyl formate is a carboxylic ester.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
pentyl formate
CAS number
638-49-3 CAS number cross-checked
EC number
211-340-6
Molecular formula
C6H12O2
UNII
P46O2510D8
MDL number
MFCD00040440
INCI name
AMYL FORMATE
InChIKey
DIQMPQMYFZXDAX-UHFFFAOYSA-N
InChI
InChI=1S/C6H12O2/c1-2-3-4-5-8-6-7/h6H,2-5H2,1H3
SMILES (canonical and isomeric)
CCCCCOC=O

Synonyms

  • Formic acid, pentyl ester
  • n-Amyl formate
  • n-Pentyl formate
  • n-Pentyl methanoate
  • Pentyl methanoate
  • m-Pentyl formate
  • Formic Acid n-Amyl Ester
  • Formic Acid Amyl Ester
  • formic acid pentyl ester
  • pentyl ormate
  • 3-Pentanol formate
  • 1-Pentyl formate
  • Methanoic acid, pentyl ester

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Liquidexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
116.16 g/molcalc.
Exact mass
116.0837 Dacalc.
LogP (octanol/water)
1.35calc.
Topological polar surface area
26.3 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
5calc.
Heavy atoms
8calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.83calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H226Flammable liquid and vapour.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (20)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P337 + P317If eye irritation persists: Get medical help.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1109

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Pentyl formate suppliers

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Where suppliers are based

1 supplier in 1 country

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Pentyl formate price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Cosmetic ingredient, INCI name AMYL FORMATE(perfuming)

Functional uses

  • Flavouring and nutrient
  • Fragrance

Cosmetic functions

  • Perfuming

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 607-696-00-0

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Pentyl formate is traded under.

HS 2915.13Indicative HS code

Esters of formic acid

World exports in 2024
$35.7M
+18.4% vs 2023, imports $44.8M
2019 to 2024
Top exporters
  1. China21.7%
  2. India * partner reported17.9%
  3. United Kingdom15.7%
Top importers
  1. United States27.1%
  2. Saudi Arabia13.4%
  3. Brazil5.1%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Pentyl formate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Pentyl formate, based on the data on this page

What is Pentyl formate?

Pentyl formate is a carboxylic ester.

What is the CAS number of Pentyl formate?

The CAS registry number of Pentyl formate is 638-49-3.

What is the molecular formula and weight of Pentyl formate?

The molecular formula of Pentyl formate is C6H12O2 and its molar mass is 116.16 g/mol.

What is Pentyl formate used for?

Known uses and roles of Pentyl formate include fragrance ingredients in cosmetics and personal care, fragrance ingredients in flavors and fragrances, esters and lactones in flavors and fragrances, perfuming, flavouring and nutrient and 1 more.

Is Pentyl formate hazardous?

Pentyl formate carries the GHS signal word "Danger". Main hazards: flammable liquid and vapour, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Pentyl formate?

Pentyl formate is usually classified under HS code 291513 (Esters of formic acid). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pentyl formate?

CompoundList lists 1 supplier of Pentyl formate in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Pentyl formate?

Suppliers quote Pentyl formate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Pentyl formate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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