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    | product Name | 4-Amino-1-naphthalenesulfonic acid, sodiumsalt, hydrate |  
    | Synonyms | 1-Naphthylamine-4-sulfonic acid, sodium salt; sodium 4-aminonaphthalene-1-sulphonate; Naphthoic Acid Sodium Salt; 4-Amino-1-naphtalenesulfonic acid sodium salt; Sodium 4-amino-1-naphthalenesulfonate; SODIUM NAPTHIONATE; SODIUM 1-NAPHTHYLAMINE-4-SULFONATE; PARA-NAPHTHIONIC ACID, NA SALT; NAPHTHYLAMINE-4-SULFONIC ACID SODIUM SALT; NAPHTHIONIC ACID SODIUM SALT; NAPHTHIONIC ACID SODIUM SALT 0.5-WATER; Sodium Naphthionate; sodium 4-aminonaphthalene-1-sulfonate; 4-aminonaphthalene-1-sulfonate |  
    | Molecular Formula | C10H8NNaO3S |  
    | Molecular Weight | 245.23 |  
    | InChI | InChI=1/C10H9NO3S/c11-9-5-6-10(15(12,13)14)8-4-2-1-3-7(8)9/h1-6H,11H2,(H,12,13,14)/p-1 |  
    | CAS Registry Number | 130-13-2 |  
    | EINECS | 204-975-5 |  
    | Molecular Structure |   |  
    | Melting point | 280℃ (dec.) |  
    | Hazard Symbols |  Xi:Irritant; 
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    | Risk Codes | R36/37/38:; 
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    | Safety Description | S26:; 
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