PRODUCT Properties
| Melting point: | 235-238 °C(lit.) |
| storage temp. | room temp |
| form | powder |
| Colour Index | 61570 |
| color | Bluish green powder |
| Water Solubility | 36 g/L (20 ºC) |
| λmax | 608 nm 642 nm (2nd) |
| ε(extinction coefficient) | ≥10000 at 604-612nm ≥10200 at 640-646nm ≥20000 at 281-287nm ≥22700 at 251-257nm ≥6400 at 407-413nm |
| Merck | 14,252 |
| InChIKey | FPAYXBWMYIMERV-UHFFFAOYSA-L |
| LogP | -1.966 at 20℃ |
| EPA Substance Registry System | C.I. Acid Green 25 (4403-90-1) |
Description and Uses
Acid Green 25 (cas# 4403-90-1) is an organic acid dye. Acid green 25 can undergo colour when co-intercalated with acid yellow 25 into the interlayer of ZnAl layered double hydroxides.Dyes and metabolites.
Safety
| Symbol(GHS) |  GHS09 |
| Signal word | Warning |
| Hazard statements | H411 |
| Precautionary statements | P273 |
| Hazard Codes | N |
| Risk Statements | 51/53-36 |
| Safety Statements | 24/25-61-26 |
| RIDADR | UN 3077 9 / PGIII |
| WGK Germany | 2 |
| RTECS | DB5044000 |
| HS Code | 32041200 |
| Hazardous Substances Data | 4403-90-1(Hazardous Substances Data) |
| Toxicity | LD50 orl-rat: >10 g/kg GTPZAB 28(7),53,84 |
