A4724531
Nitrazine yellow Indicator , 0.1% , 5423-07-4
Synonym(s):
2-(2,4-Dinitrophenylazo)-1-hydroxynaphthalene-3,6-disulfonic acid disodium salt;2-(2,4-Dinitrophenylazo)naphthol-3,6-disulfonic acid disodium salt;Nitrazol Yellow
CAS NO.：5423-07-4
Empirical Formula: C16H11N4NaO11S2
Molecular Weight: 522.39
MDL number: MFCD00003938
EINECS: 226-549-8
| Pack Size | Price | Stock | Quantity |
| 100ml | RMB47.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | >250°C |
| storage temp. | 2-8°C |
| solubility | Solubility Soluble in water, acetic acid ethanol |
| Colour Index | 14890 |
| form | Powder |
| color | Brown to yellow to orange |
| PH Range | Bright yellow (6.0) to bright blue (7.2) |
| Water Solubility | Dissolve in water at 1mg/ml |
| λmax | 586nm |
| Major Application | Sensors, display devices, sol-gel matrix, electrorheological materials, diesel feuls/kerosines, detergent, fabric softner, food storage, method for identifying fresh & stale rice, in dialysis solution, screening of NAD-binding, monitoring secreted body fluids, lymph node, diagnostic pads, vaginal infection test method, assay for esterolyticenzyme activity, detecting pathogenic bacteria, diagnosis of bacterial vaginosis, detecting dysfunctional pregnancy, drugs screening |
| CAS DataBase Reference | 5423-07-4(CAS DataBase Reference) |
| EPA Substance Registry System | 2,7-Naphthalenedisulfonic acid, 3-[(2,4-dinitrophenyl)azo]-4-hydroxy-, disodium salt (5423-07-4) |
Description and Uses
Nitrazine Yellow is a pH-sensitive azo dye. It changes color from yellow to blue in pH range 6.0–7.0 and is widely used in microscopy. Dyes and metabolites.
Safety
| Symbol(GHS) |   GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H317-H340-H413 |
| Precautionary statements | P501-P261-P273-P272-P202-P201-P280-P302+P352-P308+P313-P362+P364-P333+P313-P405 |
| Hazard Codes | F |
| Risk Statements | 5 |
| Safety Statements | 15-22-24/25 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29270000 |
