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Synthetic aroma chemicals

2-Pentanol

Also known as Pentan-2-ol, sec-Amyl alcohol, Methylpropylcarbinol

CAS 6032-29-7Formula C5H12OMolar mass 88.15 g/molEC 227-907-6
GHS signal word: Warning. Pictograms: Flammable, Harmful or irritant 8 suppliers listed
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2-Pentanol chemical structure, C5H12O, CAS 6032-29-7
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Liquid
Melting point
-50 °C
Boiling point
119 °C
Density
Relative density (water = 1): 0.8
Flash point
33 °C
HS code
290519
Category
Synthetic aroma chemicals
UN number
UN 1987
Illustrative photo, a closed 1000 litre IBC tote in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is 2-Pentanol?

Plain description, key identifiers and synonyms

Pentan-2-ol is a secondary alcohol that is pentane substituted by a hydroxy group at position 2. It has a role as a fragrance, a polar solvent and a plant metabolite. It is a pentanol and a secondary alcohol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
pentan-2-ol
CAS number
6032-29-7 CAS number cross-checkedOther or deprecated CAS: 26184-62-3, 26635-63-2, 31087-44-2, 50858-14-5, 51000-78-3, 584-02-1
EC numbers
227-907-6, 256-810-1, 700-266-4
Molecular formula
C5H12O
UNII
04G7050365
MDL number
MFCD00004579
INCI name
2-PENTANOL
InChIKey
JYVLIDXNZAXMDK-UHFFFAOYSA-N
InChI
InChI=1S/C5H12O/c1-3-4-5(2)6/h5-6H,3-4H2,1-2H3
SMILES (canonical and isomeric)
CCCC(C)O

Synonyms

  • Pentan-2-ol
  • sec-Amyl alcohol
  • Methylpropylcarbinol
  • sec-Pentyl alcohol
  • 2-Pentyl alcohol
  • 1-Methyl-1-butanol
  • Methyl propyl carbinol
  • 2-Hydroxypentane
  • Pentanol-2
  • alpha-Methylbutanol
  • 1-Methylbutanol
  • sec-n-Amyl alcohol
  • Isoamyl alcohol, secondary
  • DL-2-Pentanol
  • sec-Pentanol
  • (S)-(+)-2-Pentanol
  • Methylbutan-1-ol
  • (+/-)-2-Pentanol
  • n-C3H7CH(OH)CH3
  • Isoamyl alcohol (primary/secondary
  • Pentan-2-ol, 2-Pentanol
  • Pentanol, sec-
  • Butanol, methyl-
  • ( inverted exclamation markA)-2-Pentanol
  • methylbutanol
Show all 36 synonyms
  • methyl-butanol
  • racemic 2-pentanol
  • (?)-2-Pentanol
  • 2-Pentanol, 98%
  • 4-carboxy-2-oxazolidone
  • (R)-(?)-2-Pentanol
  • 4-01-00-01656 (Beilstein Handbook Reference)
  • 2-Pentanol, analytical standard
  • 2-Pentanol, >=98%, FG
  • 2-Pentanol Solution in Acetonitrile, 100ug/mL
  • (+/-)-2-Pentanol, purum, >=98.0% (GC)

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.
Melting point
-50 °Cexp.
Boiling point
119 °Cexp.
Density
Relative density (water = 1): 0.8exp.
Flash point
33 °Cexp.
Autoignition temperature
330 °Cexp.
Solubility
Solubility in water, g/100ml at 20 °C: 16.6 (good)exp.
Vapour pressure
Vapor pressure, kPa at 20 °C: 0.55exp.

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
88.15 g/molcalc.
Exact mass
88.0888 Dacalc.
LogP (octanol/water)
1.17calc.
Topological polar surface area
20.23 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
6calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
1calc.
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
Warning
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H226Flammable liquid and vapour.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
Precautionary statements (18)
  • 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.
  • 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.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • 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 1987
Transport hazard class
3
Packing group
III

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

2-Pentanol suppliers

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

All 8 suppliers
8 of 8 offers

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

8 suppliers in 3 countries

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2-Pentanol 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

Cosmetic ingredient, INCI name 2-PENTANOL(perfuming)

Roles

  • eukaryotic metabolite
  • fragrance
  • metabolite
  • plant metabolite
  • polar solvent
  • solvent

Functional uses

  • Flavouring and nutrient
  • Fragrance

Cosmetic functions

  • Perfuming

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 2-Pentanol is traded under.

HS 2905.19Indicative HS code

Saturated monohydric alcohols, other

World exports in 2024
$2.15B
+56.9% vs 2023, imports $1.93B
2019 to 2024
Top exporters
  1. Germany29.0%
  2. Singapore16.6%
  3. Netherlands10.6%
Top importers
  1. China17.3%
  2. Netherlands14.2%
  3. India * partner reported9.6%

* Partner reported figures, a lower bound.

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

The HS code shown for 2-Pentanol is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Pentanol, based on the data on this page

What is 2-Pentanol?

Pentan-2-ol is a secondary alcohol that is pentane substituted by a hydroxy group at position 2. It has a role as a fragrance, a polar solvent and a plant metabolite. It is a pentanol and a secondary alcohol.

What is the CAS number of 2-Pentanol?

The CAS registry number of 2-Pentanol is 6032-29-7. Other or deprecated CAS numbers: 26184-62-3, 26635-63-2, 31087-44-2.

What is the molecular formula and weight of 2-Pentanol?

The molecular formula of 2-Pentanol is C5H12O and its molar mass is 88.15 g/mol.

What is 2-Pentanol used for?

Known uses and roles of 2-Pentanol include fragrance ingredients in cosmetics and personal care, solvents in paints and coatings, solvents in adhesives and sealants, fragrances in home care and cleaning, fragrance ingredients in flavors and fragrances and 8 more.

Is 2-Pentanol hazardous?

2-Pentanol carries the GHS signal word "Warning". Main hazards: flammable liquid and vapour, harmful if inhaled, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2-Pentanol?

2-Pentanol is usually classified under HS code 290519 (Saturated monohydric alcohols, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Pentanol?

CompoundList lists 8 suppliers of 2-Pentanol in China, Canada and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 2-Pentanol?

Suppliers quote 2-Pentanol 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 2-Pentanol

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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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