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n-Octadecylphosphonic acid

CAS 4724-47-4 C18H39O3P MW 334.47 Made to order

n-Octadecylphosphonic acid is a long-chain organic phosphonic acid used in surface modification, nanomaterial synthesis, and as a ligand in catalysis. It features a C18 alkyl chain and a phosphonic acid functional group. CAS: 4724-47-4, Molecular formula: C18H39O3P, Molecular weight: 334.47 g/mol, Storage: Ambient, Signal word: Warning. Molekula supplies n-Octadecylphosphonic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

n-Octadecylphosphonic acid is a long-chain organic phosphonic acid used in surface modification, nanomaterial synthesis, and as a ligand in catalysis. It features a C18 alkyl chain and a phosphonic acid functional group. CAS: 4724-47-4, Molecular formula: C18H39O3P, Molecular weight: 334.47 g/mol, Storage: Ambient, Signal word: Warning. Molekula supplies n-Octadecylphosphonic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White to Off white powder
Purity ≥98.5%

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months

Identification

Property Value
CAS Number 4724-47-4
Molecular Formula C18H39O3P
Molecular Weight 334.47
REACH Code Y110
Tariff Code 29313990

Safety & GHS

Warning
  • GHS pictogram — Explosive Explosive GHS01

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
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

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.

Pricing & pack sizes

Pack sizes & pricing

  • 5 g

    £30.89 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is n-Octadecylphosphonic acid used for?

It is commonly used as a ligand in surface modification of nanoparticles and in the synthesis of self-assembled monolayers on metal oxides.

What is the chemical formula and molecular weight of n-Octadecylphosphonic acid?

The formula is C18H39O3P with a molecular weight of 334.47 g/mol.

How should n-Octadecylphosphonic acid be stored?

It should be stored at ambient temperature, protected from moisture and light.

What grade is available for n-Octadecylphosphonic acid?

Available in technical grade; specific purity details are provided upon request.

Can Molekula supply n-Octadecylphosphonic acid in bulk?

Yes, bulk quantities are available—please contact our sales team for pricing and availability.

What documentation comes with an order of n-Octadecylphosphonic acid?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

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