The 1-Naphthylamine-7-sulfonic acid, with the CAS registry number 119-28-8 and EINECS registry number 204-311-4, has the systematic name and IUPAC name of 8-aminonaphthalene-2-sulfonic acid. It belongs to the following product categories: Intermediates of Dyes and Pigments; Intermediates. And the molecular formula of this chemical is C₁₀H₉NO₃S.

The physical properties of 1-Naphthylamine-7-sulfonic acid are as following: (1)ACD/LogP: 0.42; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -3.04; (4)ACD/LogD (pH 7.4): -3.08; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 4; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 54.99 Å²; (13)Index of Refraction: 1.713; (14)Molar Refractivity: 58.27 cm³; (15)Molar Volume: 148.6 cm³; (16)Polarizability: 23.1×10^-24cm³; (17)Surface Tension: 72.1 dyne/cm; (18)Density: 1.502 g/cm³.

Preparation and uses of 1-Naphthylamine-7-sulfonic acid: It can be prepared by naphthalin via sulfonation, nitration, neutralization, reduction and acid out. What's more, it is an intermediates of dyes and pigments, and it is also used in determination of nitrite formation from nitrate by bacteria.

You should be cautious while dealing with this chemical. It may cause burns. Therefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice; In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).

You can still convert the following datas into molecular structure:
(1)SMILES: O=S(=O)(O)c1cc2c(cc1)cccc2N
(2)InChI: InChI=1/C10H9NO3S/c11-10-3-1-2-7-4-5-8(6-9(7)10)15(12,13)14/h1-6H,11H2,(H,12,13,14)
(3)InChIKey: QEZZCWMQXHXAFG-UHFFFAOYAH