Octadecyl methacrylate

Description

Octadecyl methacrylate · CAS 112-08-3 · C22H42O2. UNII 43A41KA91Q. Density: 0.864 @25 °C.

Identification

CAS Registry Number	112-08-3
PubChem CID	122600
Molecular formula	C22H42O2
IUPAC name	octadecyl 2-methylprop-2-enoate
UNII (FDA)	43A41KA91Q

Computed Descriptors

Molecular Weight	338.6
XLogP3	10.5
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	19
Exact Mass	338.318480578
Monoisotopic Mass	338.318480578
Topological Polar Surface Area	26.3
Heavy Atom Count	24
Formal Charge	0

Physical & Chemical Properties

Density	0.864 @25 °C

Physical description & handling notes

• Liquid; Other Solid; Liquid
• Clear colorless to very pale yellow liquid; mp = 20 deg C; [TCI America MSDS]

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	32.3% (175 / 542)

GHS Hazard Classification

GHS notification summary	32.3% (175 / 542)
Reported hazard statements	H315 (67.7%), H317 (11.1%), H319 (67.7%), H335 (67.5%)

Documented Uses

• Used to make fine and large scale chemicals, plastic products, adhesives-sealants, paints-coatings-thinners, and as a laboratory reagent; [ExPub: ECHA REACH Registrations]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Working with Glues and Adhesives [Category: Other]
• Not Known or Reasonably Ascertainable
• 2023: 1,000,000 - <5,000,000 lb
• 2022: 1,000,000 - <5,000,000 lb

Synonyms

Octadecyl methacrylate; Stearyl methacrylate; 32360-05-7; N-Octadecyl methacrylate; EINECS 251-013-5; UNII-43A41KA91Q; DTXSID6027975; 43A41KA91Q; AI3-25418; EC 251-013-5; DTXCID607975; RefChem:9279; 251-013-5; octadecyl 2-methylprop-2-enoate; 112-08-3; 2-Propenoic acid, 2-methyl-, octadecyl ester

Frequently Asked Questions

What are the CAS number and molecular formula of Octadecyl methacrylate?

CAS 112-08-3; molecular formula C22H42O2; molecular weight — g/mol.

What other names is Octadecyl methacrylate known by?

Octadecyl methacrylate, Stearyl methacrylate, 32360-05-7, N-Octadecyl methacrylate, EINECS 251-013-5, UNII-43A41KA91Q.

What is the regulatory status of Octadecyl methacrylate?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Octadecyl methacrylate classified as hazardous?

32.3% of GHS notifications report no hazard classification (175 of 542).

What are the key physical properties of Octadecyl methacrylate?

Density: 0.864 @25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.