The Salicylaldehyde azine, with the CAS registry number 959-36-4 and EINECS registry number 213-500-0, has the systematic name of 2,2'-[(1E,2E)-hydrazine-1,2-diylidenedi(E)methylylidene]diphenol. It is a kind of organics, and should be stored in the dry and cool environment. And the molecular formula of the chemical is C₁₄H₁₂N₂O₂.

The characteristics of Salicylaldehyde azine are as followings: (1)ACD/LogP: 3.98; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 4; (4)ACD/LogD (pH 7.4): 4; (5)ACD/BCF (pH 5.5): 310; (6)ACD/BCF (pH 7.4): 465; (7)ACD/KOC (pH 5.5): 1762; (8)ACD/KOC (pH 7.4): 2641; (9)#H bond acceptors: 4; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 5; (12)Polar Surface Area: 65.18 Å²; (13)Index of Refraction: 1.596; (14)Molar Refractivity: 69.78 cm³; (15)Molar Volume: 204.97 cm³; (16)Polarizability: 27.663×10^-24cm³; (17)Surface Tension: 46.815 dyne/cm; (18)Density: 1.172 g/cm³; (19)Flash Point: 256.058 °C; (20)Enthalpy of Vaporization: 67.508 kJ/mol; (21)Boiling Point: 399.078 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

Preparation of Salicylaldehyde azine: This chemical can be prepared by 2-methyl-benzyl alcohol and [1,3,4]thiadiazole-2,5-dithiol; compound with hydrazine. The reaction will need reagent dioxane and H₂O. The reaction time is 2 hours with temperature of 80°C, and the yield is about 83%. 

Uses of Salicylaldehyde azine: It can react with propadienedione to produce 2-oxo-2H-1-benzopyran-3-carboxylic acid 2-(2-oxo-2H-1-benzopyran-3-carbonyl)hydrazide. This reaction will need reagent benzene and toluene. And the yield is about 65%.

You should be cautious while dealing with this chemical. It irritates to eyes, respiratory system and skin. Therefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection, and if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Oc2ccccc2/C=N/N=C/c1ccccc1O
(2)InChI: InChI=1/C14H12N2O2/c17-13-7-3-1-5-11(13)9-15-16-10-12-6-2-4-8-14(12)18/h1-10,17-18H/b15-9+,16-10+
(3)InChIKey: STOVYWBRBMYHPC-KAVGSWPWBJ