The 2,2-Dimethylpropionic acid hydrazide, with cas registry number 42826-42-6, has the systematic name of 2,2-dimethylpropanehydrazide. And its IUPAC name is the same one. Besides this, it is also called propanoic acid, 2,2-dimethyl-, hydrazide.

Physical properties about this chemical are:  (1)ACD/LogP: -0.41; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.41; (4)ACD/LogD (pH 7.4): -0.41; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 14.18; (8)ACD/KOC (pH 7.4): 14.26; (9)#H bond acceptors: 3; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 23.55 Å²; (13)Index of Refraction: 1.448; (14)Molar Refractivity: 32.33 cm³; (15)Molar Volume: 120.7 cm³; (16)Polarizability: 12.82×10^-24cm³; (17)Surface Tension: 32.4 dyne/cm; (18)Enthalpy of Vaporization: 47.82 kJ/mol; (19)Vapour Pressure: 0.0362 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
Firstly, the 2,2-Dimethylpropionic acid hydrazide is highly flammable, and it is harmful if swallowed. So keep it away from sources of ignition. It also has the risk of explosion if heated under confinement.
Secondly, this chemical irritates to eyes, respiratory system and skin. When use it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(NN)C(C)(C)C
(2)InChI: InChI=1/C5H12N2O/c1-5(2,3)4(8)7-6/h6H2,1-3H3,(H,7,8)
(3)InChIKey: OARJXUPBZNUYBG-UHFFFAOYAV
(4)Std. InChI: InChI=1S/C5H12N2O/c1-5(2,3)4(8)7-6/h6H2,1-3H3,(H,7,8)
(5)Std. InChIKey: OARJXUPBZNUYBG-UHFFFAOYSA-N