Basic

CAS No.	135-51-3
Product Name	3-hydroxy-2,7-naphthalenedisulfonic acid, disodium salt
Synonyms	R Salt; R acid; Disodium 2-naphthol-3,6-disulfonate; 2-Naphthol-3,6-disulfonic acid disodium salt; 3-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt; 2-Naphthol disodium sulfonate ( R salt; 2-Naphthol-3,6-Disodium Disulfonate; disodium 3-hydroxynaphthalene-2,7-disulfonate; 3-hydroxynaphthalene-2,7-disulfonate; Sodium 2-naphthol-3,6-disulfonate; 3-Hydroxynaphthalene-2,7-disulfonic acid disodium salt
Molecular Formula	C10H6Na2O7S2
Molecular Weight	348.2529

Physical property

Hazard Symbols	Xi:Irritant;
Risk Codes	R36/38:;
Safety Description	S26:; S36:;