2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID
- CAS NO.：3682-32-4
- Empirical Formula: C10H7NO5S
- Molecular Weight: 253.23
- MDL number: MFCD00003933
- EINECS: 222-964-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:15:30
What is 2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID?
Purification Methods
Crystallise the acid from dilute HCl solution. The crystals are dried over CaCl2 in a vacuum desiccator. It has also been purified by dissolution in aqueous alkali and precipitation by addition of water. It is a reagent for cobalt. [Beilstein 11 H 331, 11 II 189, 11 III 621, 11 IV 668.]
Properties of 2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID
| Melting point: | 140-145 °C (dec.) |
| Density | 1.65±0.1 g/cm3(Predicted) |
| form | powder to crystal |
| pka | 0.11±0.40(Predicted) |
| color | Orange to Brown |
| CAS DataBase Reference | 3682-32-4(CAS DataBase Reference) |
| EPA Substance Registry System | 1-Naphthalenesulfonic acid, 4-hydroxy-3-nitroso- (3682-32-4) |
Safety information for 2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P501:Dispose of contents/container to..… |
Computed Descriptors for 2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID
New Products
(S)-3-Aminobutanenitrile hydrochloride 4-Methylphenylacetic acid N-Boc-D-alaninol N-BOC-D/L-ALANINOL Tert-butyl bis(2-chloroethyl)carbamate 3-Morpholino-1-(4-nitrophenyl)-5,6-dihydropyridin- 2(1H)-one Furan-2,5-Dicarboxylic Acid Tropic acid 1-Bromo-3,5-Di-Tert-Butylbenzene S-2-CHLORO PROPIONIC ACID ETHYL ISOCYANOACETATE 2-Bromo-1,3-Bis(Dimethylamino)Trimethinium Hexafluorophosphate 4-IODO BENZOIC ACID 3-NITRO-2-METHYL ANILINE 1-(2,4-DICHLOROPHENYL) ETHANAMINE (2-Hydroxyphenyl)acetonitrile 4-Bromopyrazole 2-(Cyanocyclohexyl)acetic acid 4-methoxy-3,5-dinitropyridine 1-(4-(aminomethyl)benzyl)urea hydrochloride 2-aminopropyl benzoate hydrochloride diethyl 2-(2-((tertbutoxycarbonyl)amino) ethyl)malonate tert-butyl 4- (ureidomethyl)benzylcarbamate Ethyl-2-chloro((4-methoxyphenyl)hydrazono)acetateRelated products of tetrahydrofuran
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