The Trimethylolpropane trimethacrylate, with the CAS registry number 3290-92-4, is also known as 2-Ethyl-1,3-dimethacryloxy-2-(methacryloxymethyl)propane. It belongs to the product category of Functional Monomer. Its EINECS registry number is 221-950-4. This chemical's molecular formula is C₁₈H₂₆O₆ and molecular weight is 338.40. What's more, both its IUPAC name and systematic name are the same which is called 2,2-Bis(2-methylprop-2-enoyloxymethyl)butyl 2-methylprop-2-enoate. It should be stored in a cool, dry and well-ventilated place. This chemical can be used as crosslinking agents.

Physical properties about Trimethylolpropane trimethacrylate are: (1)ACD/LogP: 3.93; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.93; (4)ACD/LogD (pH 7.4): 3.93; (5)ACD/BCF (pH 5.5): 571.31; (6)ACD/BCF (pH 7.4): 571.31; (7)ACD/KOC (pH 5.5): 3273.17; (8)ACD/KOC (pH 7.4): 3273.17; (9)#H bond acceptors: 6; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 13; (12)Polar Surface Area: 78.9 Å²; (13)Index of Refraction: 1.47; (14)Molar Refractivity: 89.435 cm³; (15)Molar Volume: 320.836 cm³; (16)Polarizability: 35.455×10^-24cm³; (17)Surface Tension: 33.72 dyne/cm; (18)Density: 1.055 g/cm³; (19)Flash Point: 181.418 °C; (20)Enthalpy of Vaporization: 67.616 kJ/mol; (21)Boiling Point: 422.051 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25 °C.

When you are dealing with this chemical, you should be very careful. This chemical is inflammation to the skin, eyes and respiratory system or other mucous membranes. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C(OCC(COC(=O)\C(=C)C)(CC)COC(=O)\C(=C)C)\C(=C)C
(2) InChI: InChI=1S/C18H26O6/c1-8-18(9-22-15(19)12(2)3,10-23-16(20)13(4)5)11-24-17(21)14(6)7/h2,4,6,8-11H2,1,3,5,7H3
(3) InChIKey: OKKRPWIIYQTPQF-UHFFFAOYSA-N

The toxicity data is as follows: