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Synthetic aroma chemicals

Pentanal

Also known as Valeraldehyde, n-Valeraldehyde, n-Pentanal

CAS 110-62-3Formula C5H10OMolar mass 86.13 g/molEC 203-784-4
GHS signal word: Danger. Pictograms: Flammable, Harmful or irritant 24 suppliers listed
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Pentanal chemical structure, C5H10O, CAS 110-62-3
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Liquid
Melting point
-91.5 °C
Boiling point
103 °C
Density
0.8095 g/cm³ at 20 °C
Flash point
12 °C
HS code
291219
Category
Synthetic aroma chemicals
UN number
UN 2058
Illustrative photo, closed blue jerry cans in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Pentanal?

Plain description, key identifiers and synonyms

Pentanal is a saturated fatty aldehyde composed from five carbons in a straight chain. It has a role as a plant metabolite.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
pentanal
CAS number
110-62-3 CAS number cross-checked
EC number
203-784-4
Molecular formula
C5H10O
UNII
B975S3014W
MDL number
MFCD00007026
INCI name
VALERALDEHYDE
InChIKey
HGBOYTHUEUWSSQ-UHFFFAOYSA-N
InChI
InChI=1S/C5H10O/c1-2-3-4-5-6/h5H,2-4H2,1H3
SMILES (canonical and isomeric)
CCCCC=O

Synonyms

  • Valeraldehyde
  • n-Valeraldehyde
  • n-Pentanal
  • Valeric aldehyde
  • Valeral
  • Valeryl aldehyde
  • Butyl formal
  • Valeric acid aldehyde
  • Valerylaldehyde
  • n-Valeric aldehyde
  • Valerianic aldehyde
  • Pentyl aldehyde
  • 1-pentanal
  • pentan-1-al
  • n-C4H9CHO
  • Valeraldehyde(Pentanal)
  • Pentanaldehyde
  • n-Valeraldehyde (natural)
  • pentylaldehyde
  • pentan-1-one
  • Aldehydes, C5
  • n-BuCHO
  • Valeraldehyde, 97%
  • N-Valeraldehyde, 8CI
  • pentanal (valeraldehyde)
Show all 33 synonyms
  • Valeraldehyde [UN2058] [Flammable liquid]
  • 4-01-00-03268 (Beilstein Handbook Reference)
  • Valeraldehyde, glass-distilled
  • Valeraldehyde, >=97%, FG
  • FAL 5:0
  • Valeraldehyde, analytical standard
  • UN 2058
  • PNO

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

Appearance
Liquidexp.
Odour
POWERFUL, ACRID, PUNGENT ODORexp.
Taste
WARM, SLIGHTLY FRUITY, & NUT-LIKE AT LOW LEVELSexp.
Melting point
-91.5 °Cexp.
Boiling point
103 °Cexp.
Density
0.8095 g/cm³ at 20 °Cexp.
Flash point
12 °Cexp.
Autoignition temperature
222 °Cexp.
Solubility
1.35% in waterexp.
Vapour pressure
26 mm Hg at 20 °Cexp.

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
86.13 g/molcalc.
Exact mass
86.0732 Dacalc.
LogP (octanol/water)
1.38calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
3calc.
Heavy atoms
6calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.8calc.
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
320NFPA 704 rating

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H315Causes skin irritation.
  • H317May cause an allergic skin reaction.
  • H319Causes serious eye irritation.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
Precautionary statements (28)
  • 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.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • 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.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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 2058
Transport hazard class
3
Packing group
II

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

Pentanal suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 24 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

24 suppliers in 7 countries

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Pentanal price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Flavoring, rubber accelerators.

In flavoring compounds, resin chemistry, rubber accelerators.

Flavor ingredient for foods & beverages, monomer for acetal resins.

Reported uses (PPM): (FEMA, 2005)

Table: Reported uses (ppm): (FEMA, 2005) [Table#2283].

Synthetic flavoring material ... It is used as top note. /Top note gives identity to flavoring on first impression and produces fruit, nut flavor./.

Industrial uses: Intermediate, Monomers.

Cosmetic ingredient, INCI name VALERALDEHYDE(perfuming)

Roles

  • eukaryotic metabolite
  • metabolite
  • plant metabolite

Functional uses

  • Flavouring and nutrient
  • Fragrance

Cosmetic functions

  • Perfuming

How it is made

Catalytic dehydrogenation of n-pentanol in the presence of a copper or a copper-chromite catalyst at high temperatures

By distillation of calcium valerate & calcium formate, by reduction of n-valeric acid.

Oxidation of amyl alcohol, also by the OXO process

Regulatory status

Inventories, regulations and trade controls that list this substance

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 Pentanal is traded under.

HS 2912.19Indicative HS code

Acyclic aldehydes without other oxygen function, other

World exports in 2024
$679M
+4.8% vs 2023, imports $743M
2019 to 2024
Top exporters
  1. Germany22.0%
  2. China21.2%
  3. United States18.5%
Top importers
  1. United States13.1%
  2. Germany9.6%
  3. Belgium8.2%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Pentanal, based on the data on this page

What is Pentanal?

Pentanal is a saturated fatty aldehyde composed from five carbons in a straight chain. It has a role as a plant metabolite.

What is the CAS number of Pentanal?

The CAS registry number of Pentanal is 110-62-3.

What is the molecular formula and weight of Pentanal?

The molecular formula of Pentanal is C5H10O and its molar mass is 86.13 g/mol.

What is Pentanal used for?

Flavoring, rubber accelerators. In flavoring compounds, resin chemistry, rubber accelerators. Flavor ingredient for foods & beverages, monomer for acetal resins. Reported uses (PPM): (FEMA, 2005) Table: Reported uses (ppm): (FEMA, 2005) [Table#2283]. Synthetic flavoring material ... It is used as top note.

Is Pentanal hazardous?

Pentanal carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, causes skin irritation, may cause an allergic skin reaction. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Pentanal?

Pentanal is usually classified under HS code 291219 (Acyclic aldehydes without other oxygen function, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pentanal?

CompoundList lists 24 suppliers of Pentanal in China, United States, Canada, United Kingdom and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Pentanal?

Suppliers quote Pentanal 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 Pentanal

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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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