BASIC BLUE 24
Synonym(s):Basic Blue 24;Methylene Blue N
- CAS NO.：1934-16-3
- Empirical Formula: C18H22ClN3S
- Molecular Weight: 347.91
- MDL number: MFCD00135878
- EINECS: 217-696-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:13:43
What is BASIC BLUE 24?
Chemical properties
green to dark brown crystals or crystalline powder
Preparation
by heavy chromate salt in sodium content and save treatment 2-Methyl-4-nitroso-N-methylaniline, transforming it into the content and sulfonic acid (2 – Amino-5 – acetic acid aminophenylthio), this product then through heavy chromate salt and N-ethyl-2-methylbenzenamine hydrochloride processing, into a unique of sulfur acid amine generation, then use heavy chromate salt and copper sulfate closed loop and oxidation, Finally,?the?zinc chloride?salt?precipitation
Properties and Applications
bright blue. Soluble in cold water for violet blue, soluble in hot water for shallow blue, soluble in ethanol for green light blue. The strong sulfuric acid for yellow green, diluted to blue. Dye with sodium hydroxide solution into a chocolate brown, have precipitation.
| Standard( Cotton ) | Light Fastness | Persperation Fastness | Ironing Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| C | 3 | 4-5 | |||||
Properties of BASIC BLUE 24
| Melting point: | 190°C (dec.) (lit.) |
| Boiling point: | 100 °C |
| Density | 1.1964 (rough estimate) |
| refractive index | 1.6000 (estimate) |
| Colour Index | 52030 |
| form | Crystals or Crystalline Powder |
| color | Green to dark brown |
| CAS DataBase Reference | 1934-16-3 |
Safety information for BASIC BLUE 24
Computed Descriptors for BASIC BLUE 24
New Products
2-Ethoxyphenol Methyl 2-methoxy-5-sulfamoylbenzoate Ethyl 2-chloro-2-(2-(4-methoxyphenyl)hydrazono)acetate 3,6-Dichloropyridazine 3,6-Dichloro-4-Isopropylpyridazine 2-[(2-Ethoxyphenoxy)methyl]oxirane m-Tolualdehyde p-Anisaldehyde 2-Bromobenzaldehyde 4-Fluorobenzaldehyde 1-Propyl-4-piperidone 3-Amino-3-(3-fluorophenyl)propanoic acid 6-Methyl-2-pyridinemethanol 2-Pyridinecarboxaldehdye tert-Butyl ((1R,2S,5S)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate 1-Indanone 2-Chloromethyl-6-methyl-pyridine 4-Morpholinoaniline Abiraterone Ethyl Ether 1-nitro-3,5-dimethyl adamantine (NMEM) Vardenafil Bis-sulphonamide(Dimer) 3-(2-aminoethyl) benzene sulfonamide Nabumetone Impurity 5 2,2-dibromo-1-cyclopropyl-2-(2-fluorophenyl)ethan-1-oneRelated products of tetrahydrofuran
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