C.I. 14025
Alizarin Yellow GG
CAS: 584-42-9
Molecular Formula: C13H8N3NaO5
C.I. 14025 - Names and Identifiers
| Name | Alizarin Yellow GG |
| Synonyms | C.I. 14025 MORDANT YELLOW SALICYL YELLOW SALICINE YELLOW alizarineyellowg Mordant Yellow 1 MORDANT YELLOW 1 Metachrome yellow alizarineyellow2g alizarineyellowagp Alizarin Yellow GG alizarine yellow GG C.I. Mordant Yellow 1 alizarin yellow gg (C.I. 14025) SODIUM 5-(M-NITROPHENYLAZO)SALICYLATE C.I. Mordant Yellow 1, monosodium salt 2-hydroxy-5-(3-nitrophenylazo)benzoate sodium 5-(3-Nitrophenylazo)salicylic acid, sodium salt sodium (3E)-3-[(3-nitrophenyl)hydrazono]-6-oxocyclohexa-1,4-diene-1-carboxylate sodium (3Z)-3-[(3-nitrophenyl)hydrazono]-6-oxocyclohexa-1,4-diene-1-carboxylate |
| CAS | 584-42-9 |
| EINECS | 209-536-1 |
| InChI | InChI=1/C13H9N3O5.Na/c17-12-5-4-9(7-11(12)13(18)19)15-14-8-2-1-3-10(6-8)16(20)21;/h1-7,14H,(H,18,19);/q;+1/p-1/b15-9- |
C.I. 14025 - Physico-chemical Properties
| Molecular Formula | C13H8N3NaO5 |
| Molar Mass | 309.21 |
| Melting Point | >300 C |
| Boling Point | 479.1°C at 760 mmHg |
| Flash Point | 243.5°C |
| Water Solubility | SOLUBLE IN COLD WATER |
| Solubility | Soluble in hot water, soluble in ethanol, aqueous solution and ethanol solution, golden yellow, slightly soluble in cold water, propanol and glycol ether. In case of concentrated sulfuric acid, it is red-yellow, diluted to produce green-yellow precipitate, and in case of concentrated nitric acid, it is yellow amber solution |
| Vapor Presure | 5.49E-10mmHg at 25°C |
| Appearance | Orange to Brown Powder |
| Color | Yellow-orange |
| Maximum wavelength(λmax) | ['362nm'] |
| Merck | 14,5919 |
| BRN | 3820455 |
| Storage Condition | Room Temprature |
| MDL | MFCD00044746 |
| Physical and Chemical Properties | Yellow powder. Soluble in hot water, soluble in ethanol. Slightly soluble in cold water, propanol and ethylene glycol and ether. When the concentrated sulfuric acid is red-yellow, the dilution produces green-yellow precipitate, and when the concentrated nitric acid is yellow-amber solution. |
| Use | Used as acid-base indicator and chromatographic analysis reagent |
C.I. 14025 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| RTECS | DH2528550 |
| HS Code | 32041900 |
C.I. 14025 - Introduction
λmax :362 nm.
Last Update：2022-10-16 17:26:39
C.I. 14025 - Reference Information
| Color index | 14025 |
| pH range | 10.2(yellow)-12(red) |
| Main application | Optical engineering applications, sensors, making masks, electrophysiologic materials, surface treatment of copper, coloring zinc, aluminum, corn testing, lobicants, textures, food storage, determinate bacterial growth, pharmaceutical preparations |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | 25% ethanol is usually used as an indicator in a 0.025% solution. used as acid-base indicator and chromatographic analysis reagent chromatographic analysis reagent. Preparation medium. Sperm staining. Acid-base indicator, pH color range 10.0 (yellow) ~ 12.0 (Brown). |
| production method | diazotization of M-nitroaniline and coupling with sodium salicylate: add G m-nitroaniline to ML hydrochloric acid and 1.5L water, after being dissolved by heating and cooled to 0-5 °c, 540g of a saturated solution of sodium nitrite in water was added. The diazotization temperature is always maintained at 5-10 ℃. After nitriding, the diazonium salt is slowly added into 116g of saturated sodium salicylate aqueous solution, the temperature is controlled below 15 ℃ and the pH is strictly controlled at 6, and stirring is continued for 4H, it was left overnight and filtered to give a crude product. The crude product is dissolved in hot water, activated carbon and a little sodium hydroxide are added, the pH is controlled at 9, filtration, cooling and crystallization are finished products. |
Last Update：2024-04-09 21:32:06
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View History
C.I. 14025
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