80-17-1

The Benzenesulfonic acid, hydrazide, with the CAS registry number 80-17-1, is also known as Phenylsulfonyl hydrazide. It belongs to the product category of Pharmaceutical Intermediates. Its EINECS number is 201-255-2. This chemical's molecular formula is C₆H₈N₂O₂S and molecular weight is 172.20. What's more, its systematic name is benzenesulfonohydrazide. It should be sealed and stored in a cool, ventilated and dry place. Moreover, it should be protected from light and moisture. It is mainly used as foaming agent in the manufacturing of foam plastics and foam rubber.

Physical properties of Benzenesulfonic acid, hydrazide are: (1)ACD/LogP: -0.14; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.14; (4)ACD/LogD (pH 7.4): -0.15; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 19.99; (8)ACD/KOC (pH 7.4): 19.75; (9)#H bond acceptors: 4; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 49 Å²; (13)Index of Refraction: 1.588; (14)Molar Refractivity: 42.84 cm³; (15)Molar Volume: 127.1 cm³; (16)Polarizability: 16.98×10^-24cm³; (17)Surface Tension: 51.8 dyne/cm; (18)Density: 1.353 g/cm³; (19)Flash Point: 155.5 °C; (20)Enthalpy of Vaporization: 57.64 kJ/mol; (21)Boiling Point: 333.5 °C at 760 mmHg; (22)Vapour Pressure: 0.000136 mmHg at 25°C.

Preparation of Benzenesulfonic acid, hydrazide: this chemical can be prepared by benzenesulfonyl chloride by heating. This reaction will need reagents triethylamine, Me₃Si-NHNH₂. The yield is about 88%.

Uses of Benzenesulfonic acid, hydrazide: it can be used to produce benzenesulfonyl azide at the ambient temperature. It will need reagent SHNC and solvent H₂O with the reaction time of 1.5 hours. The yield is about 92%.

When you are using this chemical, please be cautious about it as the following:
This chemical is highly flammable, so you should keep it away from sources of ignition - No smoking. You must keep it away from heat. You should not breathe dust. When using it, you must avoid contact with eyes.

You can still convert the following datas into molecular structure:
(1)SMILES: O=S(=O)(NN)c1ccccc1
(2)Std. InChI: InChI=1S/C6H8N2O2S/c7-8-11(9,10)6-4-2-1-3-5-6/h1-5,8H,7H2
(3)Std. InChIKey: VJRITMATACIYAF-UHFFFAOYSA-N

The toxicity data is as follows: