2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-nitroso-, sodium salt (1:2) cas no:525-05-3
Synonyms: 2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-nitroso-, disodium salt (7CI,8CI,9CI);1-Nitroso-3,6-disulfo-2-naphthol disodium salt;Disodium1-nitroso-2-naphthol-3,6-disulfate;Disodium3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate;Nitroso R;Nitroso red salt;Nitroso-R salt;
Name2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-nitroso-, sodium salt (1:2)
CAS525-05-3
Synonyms2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-nitroso-, disodium salt (7CI,8CI,9CI);1-Nitroso-3,6-disulfo-2-naphthol disodium salt;Disodium1-nitroso-2-naphthol-3,6-disulfate;Disodium3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate;Nitroso R;Nitroso red salt;Nitroso-R salt;
EINECS(EC#)208-369-1
Molecular FormulaC10H5NNa2O8S2
Molecular Weight377.26
Appearanceyellowish-orange to yellow-brown cryst. powder
Hazard Xn: Harmful;
Risk R20/21/22
Safety
Poison by intravenous route. When heated to decomposition it emits very toxic fumes of NOx, Na2O, and SOx. See also SULFONATES.
Safety information of Disodium 3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate (525-05-3):
Hazard Codes 
Xn
Risk Statements
20/21/22 Harmful by inhalation, in contact with skin and if swallowed
Safety Statements
22 Do not breathe dust
24/25 Avoid contact with skin and eyes
WGK Germany 3
RTECS QJ6480000
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ivn-mus LD50:320 mg/kg
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CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#05619 . |
