2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy- cas no:90-20-0
Synonyms: 1-Naphthol-3,6-disulfonicacid, 8-amino- (3CI);1-Amino-3,6-disulfo-8-naphthol;1-Hydroxy-8-amino-3,6-naphthalenedisulfonic acid;1-Naphthol-8-amino-3,6-disulfonicacid;3,6-Disulfo-8-hydroxy-1-naphthylamine;4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid;
Name2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-
CAS90-20-0
Synonyms1-Naphthol-3,6-disulfonicacid, 8-amino- (3CI);1-Amino-3,6-disulfo-8-naphthol;1-Hydroxy-8-amino-3,6-naphthalenedisulfonic acid;1-Naphthol-8-amino-3,6-disulfonicacid;3,6-Disulfo-8-hydroxy-1-naphthylamine;4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid;
EINECS(EC#)201-975-7
Molecular FormulaC10H9NO7S2
Molecular Weight319.31
AppearanceWhite
to gray-yellow powder
Hazard TSCA
listed
UN
NO.
Risk R36/37/38
Safety
An eye irritant. See also SULFONATES. When heated to decomposition it emits very toxic fumes of NOx and SOx.
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
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eye-rbt 500 mg/24H MLD
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28ZPAK Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,189. |
