4-Amino-3-hydroxy-1-naphthalenesulfonic acid cas no:116-63-2
Synonyms: 1-Amino-2-naphthol-4-sulfonic acid; 4-Amino-3-hydroxy-1-naphthalenesulphonic acid; 1-Amino-2-naphthol-4-sulphonic acid; TIMTEC-BB SBB008870; 1,2,4-acid; 1-Amino-2-naphthol-4-sulfonic; 1-amino-4-sulfo-2-naphthol; 1-Naphthalenesulfonicacid,4-amino-3-hydroxy-; 4-amino-3-hydroxy-1-naphthalenesulfonicaci; LABOTEST-BB LT00454379; 4-AMINO-3-NAPHTHOL-1-SULFONIC ACID
Name4-Amino-3-hydroxy-1-naphthalenesulfonic acid
CAS116-63-2
Synonyms1-Amino-2-naphthol-4-sulfonic acid; 4-Amino-3-hydroxy-1-naphthalenesulphonic acid; 1-Amino-2-naphthol-4-sulphonic acid; TIMTEC-BB SBB008870; 1,2,4-acid; 1-Amino-2-naphthol-4-sulfonic; 1-amino-4-sulfo-2-naphthol; 1-Naphthalenesulfonicacid,4-amino-3-hydroxy-; 4-amino-3-hydroxy-1-naphthalenesulfonicaci; LABOTEST-BB LT00454379; 4-AMINO-3-NAPHTHOL-1-SULFONIC ACID
EINECS(EC#)204-147-3
Molecular FormulaC10H9NO4S
Molecular Weight239.24
AppearancePinkish white to grey crystalline powder
storage tempKeep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from light.
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
HazardclassIRRITANT
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: 37/39-26
S37/39: Wear suitable gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
PackingGroup of 4-Amino-3-hydroxy-1-naphthalenesulfonic acid (CAS NO.116-63-2): III
HS Code 29222100
