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Carboxylic acids and anhydrides

3-Hydroxy-2-methylvaleric acid

Also known as 3-hydroxy-2-methylpentanoic acid, Pentanoic acid, 3-hydroxy-2-methyl-, 2-Methyl-3-hydroxyvaleric acid

CAS 28892-73-1Formula C6H12O3Molar mass 132.16 g/molEC 849-524-9
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant
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3-Hydroxy-2-methylvaleric acid chemical structure, C6H12O3, CAS 28892-73-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
28892-73-1
Formula
C6H12O3
Molar mass
132.16 g/mol
EC number
849-524-9
HS code
291819
Category
Carboxylic acids and anhydrides

What is 3-Hydroxy-2-methylvaleric acid?

Plain description, key identifiers and synonyms

2-Methyl-3-hydroxyvaleric acid is a hydroxy fatty acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-hydroxy-2-methylpentanoic acid
CAS number
28892-73-1 CAS number cross-checked
EC number
849-524-9
Molecular formula
C6H12O3
InChIKey
NVIHALDXJWGLFD-UHFFFAOYSA-N
InChI
InChI=1S/C6H12O3/c1-3-5(7)4(2)6(8)9/h4-5,7H,3H2,1-2H3,(H,8,9)
SMILES (canonical and isomeric)
CCC(C(C)C(=O)O)O

Synonyms

  • 3-hydroxy-2-methylpentanoic acid
  • Pentanoic acid, 3-hydroxy-2-methyl-
  • 2-Methyl-3-hydroxyvaleric acid
  • 3-Hydroxy-2-methylvalerate
  • 2-methyl-3-hydroxyvalerate
  • 3-hydroxy-2-methylpentanoicacid
  • 3-hydroxy-2-methyl-pentanoic acid

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
132.16 g/molcalc.
Exact mass
132.0786 Dacalc.
LogP (octanol/water)
0.48calc.
Topological polar surface area
57.53 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
3calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.83calc.
Formal charge
0calc.
Stereocentres
2calc.
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
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H318Causes serious eye damage.
  • H335May cause respiratory irritation.
Precautionary statements (19)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • 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.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

3-Hydroxy-2-methylvaleric acid suppliers

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3-Hydroxy-2-methylvaleric acid 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

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 3-Hydroxy-2-methylvaleric acid 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 3-Hydroxy-2-methylvaleric acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 3-Hydroxy-2-methylvaleric acid, based on the data on this page

What is 3-Hydroxy-2-methylvaleric acid?

2-Methyl-3-hydroxyvaleric acid is a hydroxy fatty acid.

What is the CAS number of 3-Hydroxy-2-methylvaleric acid?

The CAS registry number of 3-Hydroxy-2-methylvaleric acid is 28892-73-1.

What is the molecular formula and weight of 3-Hydroxy-2-methylvaleric acid?

The molecular formula of 3-Hydroxy-2-methylvaleric acid is C6H12O3 and its molar mass is 132.16 g/mol.

What is 3-Hydroxy-2-methylvaleric acid used for?

Known uses and roles of 3-Hydroxy-2-methylvaleric acid include building blocks in research and laboratory.

Is 3-Hydroxy-2-methylvaleric acid hazardous?

3-Hydroxy-2-methylvaleric acid carries the GHS signal word "Danger". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 3-Hydroxy-2-methylvaleric acid?

3-Hydroxy-2-methylvaleric acid 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 3-Hydroxy-2-methylvaleric acid?

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What is the price of 3-Hydroxy-2-methylvaleric acid?

Suppliers quote 3-Hydroxy-2-methylvaleric acid 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 3-Hydroxy-2-methylvaleric acid

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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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