Phenaline, also known as 1,2-phenylenediamine or ortho-phenylenediamine, is an organic compound with the chemical formula C6H8N2. It is a colorless to pale yellow crystalline solid that is soluble in water, alcohol, and ether. Phenaline is primarily used as an intermediate in the synthesis of various chemicals, including dyes, pharmaceuticals, and polymers. It is also employed as a developer in photography and as a corrosion inhibitor in boiler water treatment. Due to its potential health risks, including carcinogenic properties, phenaline is classified as a hazardous substance and requires proper handling and disposal.
The CAS Registry Mumber 3568-16-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,6 and 8 respectively; the second part has 2 digits, 1 and 6 respectively. Calculate Digit Verification of CAS Registry Number 3568-16: (6*3)+(5*5)+(4*6)+(3*8)+(2*1)+(1*6)=99 99 % 10 = 9 So 3568-16-9 is a valid CAS Registry Number.