The 2-Diazo-1-naphthol-4-sulfonic acid is an organic compound with the formula C₁₀H₆N₂O₄S. The IUPAC name of this chemical is 2-diazonio-4-sulfonaphthalen-1-olate. With the CAS registry number 20680-48-2, it is also named as 3-Diazo-3,4-dihydro-4-oxonaphthalene-1-sulfonic acid. The product's category is Intermediates of Dyes and Pigments.

Physical properties about 2-Diazo-1-naphthol-4-sulfonic acid are: (1)ACD/LogP: 0.01; (2)#H bond acceptors: 6; (3)#H bond donors: 1; (4)#Freely Rotating Bonds: 1; (5)Polar Surface Area: 79.82 Å².

When you are using this chemical, please be cautious about it as the following:
It is highly flammable. Please keep away from sources of ignition - No smoking. Besides, this chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing and gloves. In case of 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: OS(=O)(=O)C/2=C/C(=[N+]=[N-])C(=O)c1ccccc1\2
(2)InChI: InChI=1/C10H6N2O4S/c11-12-8-5-9(17(14,15)16)6-3-1-2-4-7(6)10(8)13/h1-5H,(H,14,15,16) 
(3)InChIKey: WUCDFJQVKORCRA-UHFFFAOYAR
(4)Std. InChI: InChI=1S/C10H6N2O4S/c11-12-8-5-9(17(14,15)16)6-3-1-2-4-7(6)10(8)13/h1-5H,(H,14,15,16)
(5)Std. InChIKey: WUCDFJQVKORCRA-UHFFFAOYSA-N