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Lipids and fatty acids

2-Hydroxyhexadecanoic acid

Also known as 2-Hydroxypalmitic acid, alpha-Hydroxypalmitic acid, Hexadecanoic acid, 2-hydroxy-

CAS 764-67-0Formula C16H32O3Molar mass 272.43 g/molEC 212-129-1
GHS signal word: Warning. Pictograms: Harmful or irritant 1 supplier listed
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2-Hydroxyhexadecanoic acid chemical structure, C16H32O3, CAS 764-67-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
764-67-0
Formula
C16H32O3
Molar mass
272.43 g/mol
EC number
212-129-1
HS code
291819
Category
Lipids and fatty acids

What is 2-Hydroxyhexadecanoic acid?

Plain description, key identifiers and synonyms

2-hydroxyhexadecanoic acid is a 2-hydroxy fatty acid comprising a C16 straight chain carrying a hydroxy substituent at position 2. It has a role as a human metabolite. It is a 2-hydroxy fatty acid and a hydroxypalmitic acid. It is a conjugate acid of a 2-hydroxyhexadecanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-hydroxyhexadecanoic acid
CAS number
764-67-0Other or deprecated CAS: 10067-06-8, 2398-34-7
EC number
212-129-1
Molecular formula
C16H32O3
UNII
B5R9PI06KD
MDL number
MFCD00014343
InChIKey
JGHSBPIZNUXPLA-UHFFFAOYSA-N
InChI
InChI=1S/C16H32O3/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15(17)16(18)19/h15,17H,2-14H2,1H3,(H,18,19)
SMILES (canonical and isomeric)
CCCCCCCCCCCCCCC(C(=O)O)O

Synonyms

  • 2-Hydroxypalmitic acid
  • alpha-Hydroxypalmitic acid
  • Hexadecanoic acid, 2-hydroxy-
  • 2-hydroxy-hexadecanoic acid
  • DL-alpha-Hydroxypalmitic acid
  • 2-hydroxy palmitic acid
  • (+/-)-2-hydroxyhexadecanoic acid
  • 2-Hydroxyhexadecanoicacid
  • alpha-Hydroxypalmiticacid
  • 2-Hydroxy c16:0 acid
  • dl-2-Hydroxypalmitic acid
  • Hydroxypalmitic acid, 2-
  • 2-Hydroxy-hexadecylcarboxylic acid
  • dl-2-Hydroxyhexadecanoic acid
  • alpha-hydroxyhexadecanoic acid
  • (+/-)-alpha-hydroxypalmitic acid
  • 2-Hydroxyhexadecanoic acid, >=98% (capillary 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

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
272.43 g/molcalc.
Exact mass
272.2351 Dacalc.
LogP (octanol/water)
4.52calc.
Topological polar surface area
57.53 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
14calc.
Heavy atoms
19calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.94calc.
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
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.

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-Hydroxyhexadecanoic acid suppliers

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Where suppliers are based

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2-Hydroxyhexadecanoic 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

Roles

  • animal metabolite
  • eukaryotic metabolite
  • human metabolite
  • mammalian metabolite
  • metabolite

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 2-Hydroxyhexadecanoic 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 2-Hydroxyhexadecanoic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is 2-Hydroxyhexadecanoic acid?

2-hydroxyhexadecanoic acid is a 2-hydroxy fatty acid comprising a C16 straight chain carrying a hydroxy substituent at position 2. It has a role as a human metabolite. It is a 2-hydroxy fatty acid and a hydroxypalmitic acid. It is a conjugate acid of a 2-hydroxyhexadecanoate.

What is the CAS number of 2-Hydroxyhexadecanoic acid?

The CAS registry number of 2-Hydroxyhexadecanoic acid is 764-67-0. Other or deprecated CAS numbers: 10067-06-8, 2398-34-7.

What is the molecular formula and weight of 2-Hydroxyhexadecanoic acid?

The molecular formula of 2-Hydroxyhexadecanoic acid is C16H32O3 and its molar mass is 272.43 g/mol.

What is 2-Hydroxyhexadecanoic acid used for?

Known uses and roles of 2-Hydroxyhexadecanoic acid include animal metabolite, eukaryotic metabolite, human metabolite, mammalian metabolite and metabolite.

Is 2-Hydroxyhexadecanoic acid hazardous?

2-Hydroxyhexadecanoic acid carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2-Hydroxyhexadecanoic acid?

2-Hydroxyhexadecanoic 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 2-Hydroxyhexadecanoic acid?

CompoundList lists 1 supplier of 2-Hydroxyhexadecanoic acid in Singapore. 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-Hydroxyhexadecanoic acid?

Suppliers quote 2-Hydroxyhexadecanoic 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 2-Hydroxyhexadecanoic 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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