This chemical is called Octadecanoic acid, hydrazide, and it can also be named as Stearohydrazide. With the molecular formula of C₁₈H₃₈N₂O, its molecular weight is 298.51. The CAS registry number of this chemical is 4130-54-5. In addition, it's stable at normal  temperature and pressure. Keep it sealed in the cool and dry place.

Other characteristics of the Octadecanoic acid, hydrazide can be summarised as followings: (1)ACD/LogP: 6.86; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 6.86; (4)ACD/LogD (pH 7.4): 6.86; (5)ACD/BCF (pH 5.5): 96398.09; (6)ACD/BCF (pH 7.4): 96939.28; (7)ACD/KOC (pH 5.5): 128373.45; (8)ACD/KOC (pH 7.4): 129094.16; (9)#H bond acceptors: 3; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 17; (12)Polar Surface Area: 23.55 Å²; (13)Index of Refraction: 1.464; (14)Molar Refractivity: 92.6 cm³; (15)Molar Volume: 335.2 cm³; (16)Polarizability: 36.7×10^-24cm³; (17)Surface Tension: 34.1 dyne/cm; (18)Density: 0.89 g/cm³; (19)Flash Point: 221.7 °C; (20)Enthalpy of Vaporization: 70.05 kJ/mol; (21)Boiling Point: 442.9 °C at 760 mmHg; (22)Vapour Pressure: 4.83E-08 mmHg at 25°C.

Uses of this chemical: The Octadecanoic acid, hydrazide could react with propan-2-ol, and obtain the stearic acid isopropyl ester. This reaction needs the reagent of Oxone (2KHSO₅*KHSO₄*K₂SO₄). The yield is 82 %. In addition, this reaction should be taken for 3 hours at the temperature of 20 °C.

When you are using this chemical, please be cautious about it as the following: This chemical is irritating to eyes, respiratory system and skin. You should wear suitable protective clothing if you use it. In case of contacting 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)CCCCCCCCCCCCCCCCC
2.InChI: InChI=1/C18H38N2O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(21)20-19/h2-17,19H2,1H3,(H,20,21)
3.InChIKey: BYTFESSQUGDMQQ-UHFFFAOYAJ