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Description

Trihydroxymethylpropyl trimethylacrylate · CAS 3290-92-4 · C18H26O6. UNII S734UC120F.

Identification

CAS Registry Number	3290-92-4
PubChem CID	18689
Molecular formula	C18H26O6
IUPAC name	2,2-bis(2-methylprop-2-enoyloxymethyl)butyl 2-methylprop-2-enoate
UNII (FDA)	S734UC120F

Computed Descriptors

Molecular Weight	338.4
XLogP3	3.8
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	13
Exact Mass	338.17293854
Monoisotopic Mass	338.17293854
Topological Polar Surface Area	78.9
Heavy Atom Count	24
Formal Charge	0

Physical description & handling notes

• Liquid; Dry Powder
• Amber liquid with a musty odor; [AIHA] Yellow viscous liquid; [Alfa Aesar MSDS]
• 183.3 Ų [M+Na]+ [CCS Type: DT; Buffer gas: N2; Ionization: ESI+; Dataset: TOXCAST; Source Identifier: DTXSID3027530]

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic ingredients (Trimethylolpropane Trimethacrylate) -> CIR (Cosmetic Ingredient Review)
GHS notification summary	22.3% (195 / 874)

GHS Hazard Classification

GHS notification summary	22.3% (195 / 874)
Reported hazard statements	H411 (76.7%)

Documented Uses

• CIR ingredient: Trimethylolpropane Trimethacrylate
• Used in UV-cured inks, coatings, adhesives, and dental sealants; [AIHA] Used in the chemical, paint, and polymer industries; Also used in adhesives, binding agents, cosmetics, vulcanizing agents, and crosslinking agents; [IUCLID]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Working with Glues and Adhesives [Category: Other]
• Plastic Composites Manufacturing [Category: Industry]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]

Synonyms

TRIMETHYLOLPROPANE TRIMETHACRYLATE; 3290-92-4; Acryester TMP; TMPTMA; Chemlink 30; Blemmer PTT; Light Ester TMP; Perkalink 400; NK Ester TMPT; Sartomer 350; NK Ester M TMPT; Sartomer SR 350; Chemlink 3080; Saret 515; Monocizer TD 1500; 1,1,1-Trimethylolpropane trimethacrylate

Frequently Asked Questions

What are the CAS number and molecular formula of Trihydroxymethylpropyl trimethylacrylate?

CAS 3290-92-4; molecular formula C18H26O6; molecular weight — g/mol.

What other names is Trihydroxymethylpropyl trimethylacrylate known by?

TRIMETHYLOLPROPANE TRIMETHACRYLATE, 3290-92-4, Acryester TMP, TMPTMA, Chemlink 30, Blemmer PTT.

What is the regulatory status of Trihydroxymethylpropyl trimethylacrylate?

Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Trimethylolpropane Trimethacrylate) -> CIR (Cosmetic Ingredient Review).

Is Trihydroxymethylpropyl trimethylacrylate classified as hazardous?

22.3% of GHS notifications report no hazard classification (195 of 874).

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.