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Lipids and fatty acids

Heptadecanoic acid

Also known as Margaric acid, n-Heptadecanoic acid, Margarinic acid

CAS 506-12-7Formula C17H34O2Molar mass 270.46 g/molEC 208-027-1
GHS signal word: Warning. Pictograms: Harmful or irritant 27 suppliers listed
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Heptadecanoic acid chemical structure, C17H34O2, CAS 506-12-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
506-12-7
Formula
C17H34O2
Molar mass
270.46 g/mol
Physical form
Liquid
HS code
291590
Category
Lipids and fatty acids
Illustrative photo, 200 litre steel drums of liquid in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Heptadecanoic acid?

Plain description, key identifiers and synonyms

Heptadecanoic acid is a C17 saturated fatty acid and trace component of fats in ruminants. It has a role as a mammalian metabolite, a Daphnia magna metabolite and an algal metabolite. It is a long-chain fatty acid and a straight-chain saturated fatty acid. It is a conjugate acid of a margarate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
heptadecanoic acid
CAS number
506-12-7 CAS number cross-checkedOther or deprecated CAS: 63399-94-0
EC numbers
208-027-1, 264-123-3
Molecular formula
C17H34O2
UNII
V987Y9OZ8L
MDL number
MFCD00002751
InChIKey
KEMQGTRYUADPNZ-UHFFFAOYSA-N
InChI
InChI=1S/C17H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17(18)19/h2-16H2,1H3,(H,18,19)
SMILES (canonical and isomeric)
CCCCCCCCCCCCCCCCC(=O)O

Synonyms

  • Margaric acid
  • n-Heptadecanoic acid
  • Margarinic acid
  • n-Heptadecylic acid
  • n-Heptadecoic acid
  • Heptadecylic acid
  • fatty acid 17:0
  • Normal-heptadecanoic acid
  • FA 17:0
  • Margarinsaeure
  • margaroic acid
  • heptadecoic acid
  • eptadecanoic acid
  • Heptadecanoic acic
  • N-Heptadecylicacid
  • Normal-heptadecanoate
  • heptadecans&#xe4, ure
  • Lead(2+) heptadecanoate
  • Heptadecanoic acid, 98%
  • Heptadecanoic acid, >=98%
  • 4-02-00-01193 (Beilstein Handbook Reference)
  • CH3-[CH2]15-COOH
  • FA 17:0a
  • 8Ebaabcc-09b2-43fb-945d-a70e5905bfbe
  • Heptadecylic acid, C17:0, Daturic acid, Daturinic acid, Margarinic acid
Show all 26 synonyms
  • Margaric Acid, n-heptadecanoic acid, C17:0 Heptadecylic acid, NSC 3743

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.

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
270.46 g/molcalc.
Exact mass
270.2559 Dacalc.
LogP (octanol/water)
5.94calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
15calc.
Heavy atoms
19calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.94calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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

Heptadecanoic acid suppliers

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All 27 suppliers
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Where suppliers are based

27 suppliers in 7 countries

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Heptadecanoic 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

Industrial uses: Binder, Lubricating agent, Surfactant (surface active agent), Soil amendments (fertilizers), Anti-static agent.

Consumer uses: Soil amendments (fertilizers), Binder.

Use classes: Surfactants, Safer Chemical Classes.

Roles

  • Daphnia magna metabolite
  • Daphnia metabolite
  • algal metabolite
  • animal metabolite
  • crustacean metabolite
  • eukaryotic metabolite
  • mammalian metabolite
  • metabolite

Functional uses

  • Processing aids not otherwise specified
  • Surfactant (surface active agent)
  • Viscosity modifier

Pharmacology

Margaric Acid is a saturated long-chain fatty acid with a 17-carbon backbone. Margaric acid is found naturally as a minor component of the fat and milk fat of ruminants.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • Safer Choice ingredient list (USA)
  • 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 Heptadecanoic acid is traded under.

HS 2915.90Indicative HS code

Saturated acyclic monocarboxylic acids, anhydrides, halides, peroxides, peroxyacids and halogenated…

World exports in 2024
$3.42B
+5.6% vs 2023, imports $3.55B
2019 to 2024
Top exporters
  1. Indonesia15.9%
  2. Germany13.0%
  3. Malaysia12.4%
Top importers
  1. China14.4%
  2. Netherlands11.7%
  3. United States11.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Heptadecanoic acid?

Heptadecanoic acid is a C17 saturated fatty acid and trace component of fats in ruminants. It has a role as a mammalian metabolite, a Daphnia magna metabolite and an algal metabolite. It is a long-chain fatty acid and a straight-chain saturated fatty acid. It is a conjugate acid of a margarate.

What is the CAS number of Heptadecanoic acid?

The CAS registry number of Heptadecanoic acid is 506-12-7. Other or deprecated CAS numbers: 63399-94-0.

What is the molecular formula and weight of Heptadecanoic acid?

The molecular formula of Heptadecanoic acid is C17H34O2 and its molar mass is 270.46 g/mol.

What is Heptadecanoic acid used for?

Industrial uses: Binder, Lubricating agent, Surfactant (surface active agent), Soil amendments (fertilizers), Anti-static agent. Consumer uses: Soil amendments (fertilizers), Binder. Use classes: Surfactants, Safer Chemical Classes.

Is Heptadecanoic acid hazardous?

Heptadecanoic 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 Heptadecanoic acid?

Heptadecanoic acid is usually classified under HS code 291590 (Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Heptadecanoic acid?

CompoundList lists 27 suppliers of Heptadecanoic acid in China, United States, Germany, United Kingdom and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Heptadecanoic acid in India?

1 supplier in India list Heptadecanoic acid on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Heptadecanoic acid?

Suppliers quote Heptadecanoic 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 Heptadecanoic 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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