Skip to content
Molekula

Molekula

Arachidic acid

SKU 13447401 CAS 506-30-9 CH3(CH2)18COOH MW 312.53 In stock Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Arachidic acid is a saturated fatty acid with 20 carbon atoms, primarily used in industrial lubricants, plasticizers, and as a raw material in the synthesis of detergents, cosmetics, and pharmaceuticals. It appears as a white, waxy solid with minimal solubility in water. Catalogue details: CAS 506-30-9, molecular formula CH3(CH2)18COOH, molecular weight 312.53 g/mol, and requires ambient storage. The product carries a signal word of "Warning" for safety handling. Molekula supplies Arachidic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.

  • 5 g — £60.60 per pack ex VAT · £72.72 inc. VAT

Need a different quantity or pack?

Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

Prices exclude VAT/sales tax and shipping.

Specifications

Property Value
Appearance White flaky crystals
Melting Point 72-78°C
Assay ≥ 98.0%
Identification (IR) Conforms to Reference
Ethanol solubility test conforms

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Acid

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Melting Point 75.4 °C
Boiling Point 328 °C at 760 mmHg

Source: PubChem CID 10467 (Human Metabolome Database (HMDB))

Identification

Property Value
SKU 13447401
CAS Number 506-30-9
IUPAC Name icosanoic acid
EC Number 208-031-3
Molecular Formula CH3(CH2)18COOH
Molecular Weight 312.53
Exact Mass 312.3028
SMILES CCCCCCCCCCCCCCCCCCCC(=O)O
InChIKey VKOBVWXKNCXXDE-UHFFFAOYSA-N
InChI InChI=1S/C20H40O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h2-19H2,1H3,(H,21,22)
PubChem CID 10467
REACH Code Y113
TSCA Listed Yes
HTS Code 29159050
Tariff Code 2915907098

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H303 May be harmful if swallowed
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation

Precautionary statements

  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

Documents

Safety Data Sheets (SDS)

Available in English, French, German, Italian, Spanish.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • Arachic acid
  • Arachidic
  • Arachidinic acid
  • EICOSANOIC ACID
  • Elcosanoic Acid
  • FA 20:0
  • fatty acid 20:0
  • Icosanoic acid
  • n-eicosanoate
  • n-Eicosanoic acid

Frequently asked questions

What is arachidic acid commonly used for?

Arachidic acid is primarily used in the production of lubricants, plasticizers, and as a raw material in the synthesis of surfactants, cosmetics, and pharmaceutical intermediates.

What is the chemical formula and molecular weight of arachidic acid?

The chemical formula is **CH₃(CH₂)₁₈COOH**, and the molecular weight is **312.53 g/mol**.

What safety classification does arachidic acid have?

Arachidic acid carries a **Signal Word: Warning** under GHS classification, indicating moderate hazard.

How should arachidic acid be stored?

Store arachidic acid at **ambient temperature** in a cool, dry place, away from direct sunlight and incompatible substances.

Does Molekula supply arachidic acid in bulk quantities?

Yes, Molekula can supply arachidic acid in bulk, with quantities tailored to your specific requirements—please contact us for details.

What documentation comes with an order of arachidic acid?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket