CAS No 525-05-3 , 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt

Name: 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt
Synonyms: 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt;Disodium 1-nitroso-2-naphthol-3,6-disulfonate;
CAS Registry Number:525-05-3
Melting Point: >300 °C(lit.)
Flash Point: °C
Boiling Point: °Cat760mmHg
Density: g/cm³
Safety Statements: R20/21/22
Hazard Symbols: Xn: Harmful;
Flash Point: °C
EINECS: 208-369-1
Molecular Weight: 377.26
InChI: InChI=1/C10H7NO8S2.2Na/c12-10-8(21(17,18)19)4-5-3-6(20(14,15)16)1-2-7(5)9(10)11-13;;/h1-4,12H,(H,14,15,16)(H,17,18,19);;/q;2*+1/p-2
Risk Statements: S22;S24/25
Molecular Formula: C10H5NNa2O8S2
Molecular Structure:

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525-05-3 Disodium 1-nitroso-2-naphthol-3,6-disulfonate

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525-05-3 Disodium 1-nitroso-2-naphthol-3,6-disulfonate

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References of 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt

Title: Nitroso-R Salt
CAS Registry Number: 525-05-3
CAS Name: 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt
Synonyms: sodium salt of 1-nitroso-2-hydroxynaphthalene-3,6-disulfonic acid
Molecular Formula: C10H5NNa2O8S2
Molecular Weight: 377.26
Percent Composition: C 31.84%, H 1.34%, N 3.71%, Na 12.19%, O 33.93%, S 17.00%
Properties: Golden-yellow, fan-shaped crystals. Sol in ~40 parts water; more sol in hot water; slightly sol in methyl or ethyl alcohol.
Use: As a reagent for cobalt and potassium.