Empirical Formula: C₇H₁₃NO
Molecular Weight: 127.1842
Nominal Mass: 127 Da
Average Mass: 127.1842 Da
Monoisotopic Mass: 127.099714 Da 
Index of Refraction: 1.431
Molar Refractivity: 37.63 cm³
Molar Volume: 145.2 cm³
Surface Tension: 25.4 dyne/cm
Density: 0.875 g/cm³
Flash Point: 132.5 °C
Enthalpy of Vaporization: 47.8 kJ/mol
Boiling Point: 241.1 °C at 760 mmHg
Vapour Pressure: 0.0366 mmHg at 25 °C
Melting point: 89-91 °C(lit.)
Structure of N-Isopropylmethacrylamide (CAS NO.13749-61-6):
                        
IUPAC Name: 2-Methyl-N-propan-2-ylprop-2-enamide
Canonical SMILES: CC(C)NC(=O)C(=C)C
InChI: InChI=1S/C7H13NO/c1-5(2)7(9)8-6(3)4/h6H,1H2,2-4H3,(H,8,9)
InChIKey: YQIGLEFUZMIVHU-UHFFFAOYSA-N
Product Category of N-Isopropylmethacrylamide (CAS NO.13749-61-6): Acrylamide and Methacrylamide;Acrylic Monomers

Hazard Codes of N-Isopropylmethacrylamide (CAS NO.13749-61-6): Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
WGK Germany: 3

 

 N-Isopropylmethacrylamide , its cas register number is 13749-61-6.