2,7-Naphthalenedisulfonicacid, 3,6-dihydroxy-, sodium salt (1:2) cas no:7153-21-1
Synonyms: 2,7-Naphthalenedisulfonicacid, 3,6-dihydroxy-, disodium salt (8CI,9CI);2,7-Dihydroxy-3,6-naphthalenesulfonatedisodium salt;Coupler 518;Coupler O;Disodium2,7-Dihydroxynaphthalene-3,6-disulfonate;
Name2,7-Naphthalenedisulfonicacid, 3,6-dihydroxy-, sodium salt (1:2)
CAS7153-21-1
Synonyms2,7-Naphthalenedisulfonicacid, 3,6-dihydroxy-, disodium salt (8CI,9CI);2,7-Dihydroxy-3,6-naphthalenesulfonatedisodium salt;Coupler 518;Coupler O;Disodium2,7-Dihydroxynaphthalene-3,6-disulfonate;
EINECS(EC#)230-499-2
Molecular FormulaC10H6Na2O8S2
Molecular Weight364.25
AppearanceBeige - fine crystalline powder.
storage tempStore in a cool, dry, well-ventilated area away from incompatible substances.
Hazard Xi:Irritant;
Risk R36/37/38
Safety
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
WGK Germany: 3
