The cas register number of Sodium 5-hydroxynaphthalene-1-sulphonate is 5419-77-2. It also can be called as 1-Naphthalenesulfonic acid, 5-hydroxy-, monosodium salt and the IUPAC Name about this chemical is sodium 5-hydroxynaphthalene-1-sulfonate. It belongs to the Intermediates of Dyes and Pigments.

Physical properties about Sodium 5-hydroxynaphthalene-1-sulphonate are: (1)26-36/37/39ACD/LogP: 0.96; (2)ACD/LogD (pH 5.5): -2.53; (3)ACD/LogD (pH 7.4): -2.55; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 4; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 2; (11)Polar Surface Area: 71.98Ų.

Uses of Sodium 5-hydroxynaphthalene-1-sulphonate: it can be used to produce sodium 1-phenylsulfonyloxynaphthalene-5-sulfonate with benzenesulfonyl chloride at temperature not higher than 25 deg C. This reaction will need reagent Na₂CO₃ and solvent H₂O with reaction time of 1.5 hours. The yield is about 78% .

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing, gloves and eye/face protection. 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: [Na+].[O-]S(=O)(=O)c1cccc2c1cccc2O
(2)InChI: InChI=1/C10H8O4S.Na/c11-9-5-1-4-8-7(9)3-2-6-10(8)15(12,13)14;/h1-6,11H,(H,12,13,14);/q;+1/p-1
(3)InChIKey: HWQLBKMVMXBGRC-REWHXWOFAI
(4)Std. InChI: InChI=1S/C10H8O4S.Na/c11-9-5-1-4-8-7(9)3-2-6-10(8)15(12,13)14;/h1-6,11H,(H,12,13,14);/q;+1/p-1
(5)Std. InChIKey: HWQLBKMVMXBGRC-UHFFFAOYSA-M