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Esters and lactones

Methyl 3-hydroxyhexanoate

Also known as Hexanoic acid, 3-hydroxy-, methyl ester, Methyl beta-hydroxycaproate, Methyl beta-hydroxyhexanoate

CAS 21188-58-9Formula C7H14O3Molar mass 146.19 g/molEC 244-261-0
GHS signal word: Danger. Pictograms: Corrosive 5 suppliers listed
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Methyl 3-hydroxyhexanoate chemical structure, C7H14O3, CAS 21188-58-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
21188-58-9
Formula
C7H14O3
Molar mass
146.19 g/mol
EC number
244-261-0
HS code
291819
Category
Esters and lactones

What is Methyl 3-hydroxyhexanoate?

Plain description, key identifiers and synonyms

Methyl 3-hydroxyhexanoate is a 3-hydroxy carboxylic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
methyl 3-hydroxyhexanoate
CAS number
21188-58-9 CAS number cross-checked
EC number
244-261-0
Molecular formula
C7H14O3
UNII
8H646ZUC4E
MDL number
MFCD00083583
InChIKey
ACCRBMDJCPPJDX-UHFFFAOYSA-N
InChI
InChI=1S/C7H14O3/c1-3-4-6(8)5-7(9)10-2/h6,8H,3-5H2,1-2H3
SMILES (canonical and isomeric)
CCCC(CC(=O)OC)O

Synonyms

  • Hexanoic acid, 3-hydroxy-, methyl ester
  • Methyl beta-hydroxycaproate
  • Methyl beta-hydroxyhexanoate
  • Pineapple hydroxyhexanoate
  • Methyl-b-hydroxyhexanoate
  • Methyl-I2-hydroxyhexanoate
  • Methyl-beta-hydroxyhexanoate
  • Methyl-b-hydroxyhexanoic acid
  • Methyl 3-hydroxyhexanoic acid
  • Methyl-I2-hydroxyhexanoic acid
  • Methyl-beta-hydroxyhexanoic acid
  • Methyl (A+-)-3-hydroxyhexanoic acid
  • (+-)-Methyl 3-hydroxyhexanoate
  • Methyl 3-hydroxyhexanoate, (+-)-
  • 3-hydroxyhexanoic acid methyl ester
  • Methyl 3-hydroxycaproate
  • Methyl3-hydroxycaproate
  • Methyl (+/-)-3-hydroxyhexanoate
  • Methyl 3-hydroxyhexanoate, >/=97%
  • Methyl 3-hydroxyhexanoate, >=97%, FG
  • (+/-)-Methyl 3-hydroxyhexanoate
  • Methyl 3-hydroxyhexanoate, (+/-)-
  • Methyl 3-hydroxyhexanoate, analytical standard

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
146.19 g/molcalc.
Exact mass
146.0943 Dacalc.
LogP (octanol/water)
0.71calc.
Topological polar surface area
46.53 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
4calc.
Heavy atoms
10calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.86calc.
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
Danger
GHS05: Corrosive
Corrosive

Hazard statements

  • H318Causes serious eye damage.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.

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

Methyl 3-hydroxyhexanoate suppliers

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

All 5 suppliers
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Where suppliers are based

5 suppliers in 2 countries

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Methyl 3-hydroxyhexanoate 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

Functional uses

  • Flavouring and nutrient
  • Fragrance

Regulatory status

Inventories, regulations and trade controls that list this substance

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 Methyl 3-hydroxyhexanoate is traded under.

HS 2918.19Indicative HS code

Carboxylic acids with alcohol function but without other oxygen function, their…

World exports in 2024
$1.37B
+0.5% vs 2023, imports $1.18B
2019 to 2024
Top exporters
  1. China23.7%
  2. Italy14.7%
  3. India * partner reported12.0%
Top importers
  1. Germany11.7%
  2. South Korea9.8%
  3. Italy9.6%

* Partner reported figures, a lower bound.

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

The HS code shown for Methyl 3-hydroxyhexanoate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Methyl 3-hydroxyhexanoate, based on the data on this page

What is Methyl 3-hydroxyhexanoate?

Methyl 3-hydroxyhexanoate is a 3-hydroxy carboxylic acid.

What is the CAS number of Methyl 3-hydroxyhexanoate?

The CAS registry number of Methyl 3-hydroxyhexanoate is 21188-58-9.

What is the molecular formula and weight of Methyl 3-hydroxyhexanoate?

The molecular formula of Methyl 3-hydroxyhexanoate is C7H14O3 and its molar mass is 146.19 g/mol.

What is Methyl 3-hydroxyhexanoate used for?

Known uses and roles of Methyl 3-hydroxyhexanoate include building blocks in research and laboratory, flavouring and nutrient and fragrance.

Is Methyl 3-hydroxyhexanoate hazardous?

Methyl 3-hydroxyhexanoate carries the GHS signal word "Danger". Main hazards: causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Methyl 3-hydroxyhexanoate?

Methyl 3-hydroxyhexanoate is usually classified under HS code 291819 (Carboxylic acids with alcohol function but without other oxygen function, their…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Methyl 3-hydroxyhexanoate?

CompoundList lists 5 suppliers of Methyl 3-hydroxyhexanoate in China 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 Methyl 3-hydroxyhexanoate?

Suppliers quote Methyl 3-hydroxyhexanoate 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 Methyl 3-hydroxyhexanoate

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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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