Nitroso-R-Salt is an organic compound chemically identified as 3-hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt. Its molecular structure is based on a naphthalene ring containing hydroxyl, nitroso, and sulfonate functional groups. The presence of these groups gives the compound characteristic chromogenic, complex-forming and electron-transfer properties. Nitroso-R-Salt can react with other substances in ways that change their oxidation state and show reducing behavior under certain chemical conditions. Its structural features also influence its response toward specific chemical species, resulting in distinct changes in its physicochemical properties.
CAS No.: 525-05-3
Synonyms: 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic Acid Disodium Salt Monohydrate, 1-Nitroso-2-naphthol-3,6-disulfonic Acid Disodium Salt Monohydrate, Nitroso R Salt Monohydrate.
| Physical Properties | |
| Chemical formula | C10H5NNa2O8S2 |
| IUPAC Name | disodium;3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate |
| Molecular weight | 377.3 g/mol |
| Solubility | Soluble in water |
| Appearance | Yellow to orange powder |
| Storage | Store at room temperature |
| Chemical Properties | |
| Color | Yellow |
| Physical State | Solid |
| Melting Point | >300 °C |
| Odor | Slight Odor |
| Pictograms : |   |
| Hazard Statements : | H315: Causes skin irritation H319: Causes serious eye irritation H335: May cause respiratory irritation H302 + H312 + H332: Harmful if swallowed, in contact with skin or if inhaled |
| Precautionary Statements: | P280: Wear protective gloves/protective clothing/eye protection/face protection P302 + P352: IF ON SKIN: Wash with plenty of soap and water P261: Avoid breathing dust/fume/gas/mist/vapors/spray P301 + P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell P304 + P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing P280: Wear protective gloves/protective clothing/eye protection/face protection P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present andeasy to do. Continue rinsing |
Nitroso-R-Salt is an organic compound chemically identified as 3-hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt. Its molecular structure is based on a naphthalene ring containing hydroxyl, nitroso, and sulfonate functional groups. The presence of these groups gives the compound characteristic chromogenic, complex-forming and electron-transfer properties. Nitroso-R-Salt can react with other substances in ways that change their oxidation state and show reducing behavior under certain chemical conditions. Its structural features also influence its response toward specific chemical species, resulting in distinct changes in its physicochemical properties.
CAS No.: 525-05-3
Synonyms: 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic Acid Disodium Salt Monohydrate, 1-Nitroso-2-naphthol-3,6-disulfonic Acid Disodium Salt Monohydrate, Nitroso R Salt Monohydrate.
| Physical Properties | |
| Chemical formula | C10H5NNa2O8S2 |
| IUPAC Name | disodium;3-hydroxy-4-nitrosonaphthalene-2,7-disulfonate |
| Molecular weight | 377.3 g/mol |
| Solubility | Soluble in water |
| Appearance | Yellow to orange powder |
| Storage | Store at room temperature |
| Chemical Properties | |
| Color | Yellow |
| Physical State | Solid |
| Melting Point | >300 °C |
| Odor | Slight Odor |
| Pictograms : | |
| Hazard Statements : | H315: Causes skin irritation H319: Causes serious eye irritation H335: May cause respiratory irritation H302 + H312 + H332: Harmful if swallowed, in contact with skin or if inhaled |
| Precautionary Statements: | P280: Wear protective gloves/protective clothing/eye protection/face protection P302 + P352: IF ON SKIN: Wash with plenty of soap and water P261: Avoid breathing dust/fume/gas/mist/vapors/spray P301 + P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell P304 + P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing P280: Wear protective gloves/protective clothing/eye protection/face protection P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present andeasy to do. Continue rinsing |
Nitroso-R-Salt is an analytical reagent used to detecting and measuring low concentrations of metals such as cobalt and iron by colorimetric and spectrophotometric methods. Its interaction with selected metal ions gives characteristic colored complexes, supporting its use in environmental analysis, metallurgical testing and pharmaceutical assays.
Nitroso-R-Salt can acts as a reducing agent under certain reaction conditions by transferring electrons to other chemical species resulting in a decrease in their oxidation state.
The chemical formula of Nitroso-R-Salt is C₁₀H₅NNa₂O₈S₂. It is chemically known as 3-hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt.
