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Aliphatic and alicyclic building blocks

Hexadecanedioic acid

Also known as Thapsic acid, 1,16-Hexadecanedioic acid, 1,14-Tetradecanedicarboxylic acid

CAS 505-54-4Formula C16H30O4Molar mass 286.41 g/molEC 208-013-5
GHS signal word: Warning. Pictograms: Harmful or irritant 13 suppliers listed
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Hexadecanedioic acid chemical structure, C16H30O4, CAS 505-54-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
505-54-4
Formula
C16H30O4
Molar mass
286.41 g/mol
EC number
208-013-5
HS code
291719
Category
Aliphatic and alicyclic building blocks

What is Hexadecanedioic acid?

Plain description, key identifiers and synonyms

Hexadecanedioic acid is an alpha,-dicarboxylic acid that is the 1,14-dicarboxy derivative of tetradecane. It has a role as a human metabolite. It is a dicarboxylic fatty acid and an alpha,omega-dicarboxylic acid. It is a conjugate acid of a hexadecanedioate(2-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
hexadecanedioic acid
CAS number
505-54-4 CAS number cross-checked
EC number
208-013-5
Molecular formula
C16H30O4
UNII
SVZ90045Y2
MDL number
MFCD00002746
InChIKey
QQHJDPROMQRDLA-UHFFFAOYSA-N
InChI
InChI=1S/C16H30O4/c17-15(18)13-11-9-7-5-3-1-2-4-6-8-10-12-14-16(19)20/h1-14H2,(H,17,18)(H,19,20)
SMILES (canonical and isomeric)
C(CCCCCCCC(=O)O)CCCCCCC(=O)O

Synonyms

  • Thapsic acid
  • 1,16-Hexadecanedioic acid
  • 1,14-Tetradecanedicarboxylic acid
  • Hexadecane-1,16-dioic acid
  • Thapsate
  • Thaspic acid
  • Hexadecanedioicacid
  • a,w-Tetradecanedicarboxylic acid
  • n-Tetradecane-omega,omega'-dicarboxylic acid
  • 1,16-hexadecanedioate
  • Hexadecandioic acid
  • 1,14-tetradecane dicarboxylic acid
  • Hexadecanedioic
  • a,w-Tetradecanedicarboxylate
  • Hexadecanedioic acid, 96%
  • tetradecane dicarboxylic acid
  • Hexadecanedioic acid (NIST)
  • 1,14-Tetradecanedicarboxylate
  • n-Tetradecane-w,w'-dicarboxylate
  • n-Tetradecane-w,w'-dicarboxylic acid
  • Thapsic acid, Hexadecanedioate, Palmitic acid
  • Hexadecanedioic acid, purum, >=98.0% (GC)
  • 1,14-Tetradecanedicarboxylic Acid, , Thapsic Acid
  • Hexadecanedioic acid Solution in Methanol, 1000ug/mL

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
286.41 g/molcalc.
Exact mass
286.2144 Dacalc.
LogP (octanol/water)
4.62calc.
Topological polar surface area
74.6 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
15calc.
Heavy atoms
20calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.88calc.
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
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • 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.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • 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.
  • 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.
  • P337 + P317If eye irritation persists: 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

Hexadecanedioic acid suppliers

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

All 13 suppliers
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Where suppliers are based

13 suppliers in 3 countries

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Hexadecanedioic 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

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 Hexadecanedioic acid is traded under.

HS 2917.19Indicative HS code

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…

World exports in 2024
$718M
+8.1% vs 2023, imports $915M
2019 to 2024
Top exporters
  1. China46.6%
  2. United States13.7%
  3. Germany10.1%
Top importers
  1. United States16.2%
  2. Denmark11.8%
  3. Germany10.0%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Hexadecanedioic acid, based on the data on this page

What is Hexadecanedioic acid?

Hexadecanedioic acid is an alpha,-dicarboxylic acid that is the 1,14-dicarboxy derivative of tetradecane. It has a role as a human metabolite. It is a dicarboxylic fatty acid and an alpha,omega-dicarboxylic acid. It is a conjugate acid of a hexadecanedioate(2-).

What is the CAS number of Hexadecanedioic acid?

The CAS registry number of Hexadecanedioic acid is 505-54-4.

What is the molecular formula and weight of Hexadecanedioic acid?

The molecular formula of Hexadecanedioic acid is C16H30O4 and its molar mass is 286.41 g/mol.

What is Hexadecanedioic acid used for?

Known uses and roles of Hexadecanedioic acid include building blocks in research and laboratory, animal metabolite, eukaryotic metabolite, human metabolite, mammalian metabolite and 1 more.

Is Hexadecanedioic acid hazardous?

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

What is the HS code of Hexadecanedioic acid?

Hexadecanedioic acid is usually classified under HS code 291719 (Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hexadecanedioic acid?

CompoundList lists 13 suppliers of Hexadecanedioic acid in China, United States and Germany. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Hexadecanedioic acid?

Suppliers quote Hexadecanedioic 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 Hexadecanedioic 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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