Skip to content
Molekula

Molekula

Octadecyl methacrylate

SKU 89986525 CAS 32360-05-7 H2C=C(CH3)CO2(CH2)17CH3 MW 338.57 Made to order 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

Octadecyl methacrylate is a long-chain alkyl methacrylate monomer used primarily in the synthesis of specialty polymers, coatings, and adhesives for its hydrophobic and water-resistant properties. It is also employed in the production of pressure-sensitive adhesives and as a modifier for improving polymer performance. This chemical has a CAS number of 32360-05-7, with the molecular formula H2C=C(CH3)CO2(CH2)17CH3 and a molecular weight of 338.57 g/mol. It should be stored at ambient temperatures and carries a signal word of "Warning" for safety classification. Molekula supplies octadecyl methacrylate 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

Pricing on request — packs available from research to bulk quantities.

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 Colourless liquid
Purity ≥98.0%
Moisture ≤0.2%
Chroma (Pt-Co) ≤50
Acid Value (mg KOH/g) ≤1.0%

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Neutral

Identification

Property Value
SKU 89986525
CAS Number 32360-05-7
IUPAC Name octadecyl 2-methylprop-2-enoate
EC Number 251-013-5
Molecular Formula H2C=C(CH3)CO2(CH2)17CH3
Molecular Weight 338.57
Exact Mass 338.3185
SMILES CCCCCCCCCCCCCCCCCCOC(=O)C(=C)C
InChIKey HMZGPNHSPWNGEP-UHFFFAOYSA-N
InChI InChI=1S/C22H42O2/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-24-22(23)21(2)3/h2,4-20H2,1,3H3
PubChem CID 122600
REACH Code Y113
TSCA Listed Yes
HTS Code 29161420
Tariff Code 2916140090

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • 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
  • P308+313 IF exposed or concerned: Get medical advice/attention

Documents

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

  • 2-Propenoic acid, 2-methyl-, octadecyl ester
  • 2-Propenoic acid, 2-methyl, octadecyl ester, homopolymer
  • Methacrylic acid, octadecyl ester
  • Methacrylic acid, stearyl ester
  • N-Octadecyl methacrylate
  • Octadecyl 2-methylacrylate
  • octadecyl 2-methylprop-2-enoate
  • Poly(octadecyl methacrylate),Poly(stearyl methacrylate)
  • Stearyl methacrylate
  • Stearyl Methacrylate (stabilized with MEHQ)

Frequently asked questions

What is octadecyl methacrylate primarily used for?

Octadecyl methacrylate is commonly used in the synthesis of polymers, coatings, and adhesives, as well as in the production of pressure-sensitive adhesives (PSAs) and specialty monomers for surface modification.

What is the molecular formula and molecular weight of octadecyl methacrylate?

The molecular formula is **H₂C=C(CH₃)CO₂(CH₂)₁₇CH₃**, and the molecular weight is **338.57 g/mol**.

How should octadecyl methacrylate be stored?

Store at **ambient temperature** in a cool, dry place, away from direct sunlight and sources of ignition, in tightly sealed containers.

What grade or purity is available for octadecyl methacrylate?

Molekula supplies octadecyl methacrylate in **technical grade** and **high-purity (95%+)** forms; exact specifications can be confirmed upon inquiry.

Can Molekula supply octadecyl methacrylate in bulk quantities?

Yes, we offer bulk packaging options (e.g., drums or IBCs) for octadecyl methacrylate; minimum order quantities and pricing depend on the specific grade and application.

What documentation is provided with an order of octadecyl methacrylate?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability and compliance.

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