A0598112
Alizarin yellow GG , Indicator level , 584-42-9
Synonym(s):
5-(3-Nitrophenylazo)salicylic acid sodium salt;Alizarin Yellow 2G;Metachrome Yellow;Mordant Yellow 1
CAS NO.：584-42-9
Empirical Formula: C13H8N3NaO5
Molecular Weight: 309.21
MDL number: MFCD00044746
EINECS: 209-536-1
| Pack Size | Price | Stock | Quantity |
| 25G | RMB26.40 | In Stock |
|
| 100G | RMB47.20 | In Stock |
|
| 500G | RMB95.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | >300 C |
| storage temp. | RT, stored under nitrogen |
| solubility | Solubility Soluble in water, methyl cellosolve; slightly soluble in ethanol, acetone |
| form | powder |
| Colour Index | 14025 |
| color | Yellow-orange |
| PH Range | 10.2(yellow)-12(red) |
| Water Solubility | SOLUBLE IN COLD WATER |
| λmax | 362nm |
| Merck | 14,5919 |
| BRN | 3820455 |
| Major Application | Optical engineering applications, sensors, making masks, electrorheological materials, surface treatment of copper, coloring zinc, aluminum, corrosion testing, lubricants, textiles, food storage, determine bacterial growth, pharmaceutical preparations |
| CAS DataBase Reference | 584-42-9(CAS DataBase Reference) |
| EPA Substance Registry System | Benzoic acid, 2-hydroxy-5-[(3-nitrophenyl)azo]-, monosodium salt (584-42-9) |
Description and Uses
Biological stain and acid-base indicator. pH: 10.2 colorless, 12.0 yellow.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P261-P301+P312-P302+P352-P304+P340-P305+P351+P338 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 24/25-36-26 |
| WGK Germany | 3 |
| RTECS | DH2528550 |
| HS Code | 32041900 |
