A6538512
Orcein , 1400-62-0
Synonym(s):
Natural Red 28
CAS NO.：1400-62-0
Empirical Formula: C28H24N2O7
Molecular Weight: 500.499
MDL number: MFCD00062310
EINECS: 215-750-6
| Pack Size | Price | Stock | Quantity |
| 1G | RMB112.00 | In Stock |
|
| 5G | RMB303.20 | In Stock |
|
| 25G | RMB1124.80 | In Stock |
|
| 50g | RMB1839.20 | In Stock |
|
| 100g | RMB3119.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Boiling point: | 591.36°C (rough estimate) |
| Density | 1.3224 (rough estimate) |
| bulk density | 900-1000kg/m3 |
| refractive index | 1.5800 (estimate) |
| storage temp. | room temp |
| solubility | Insoluble in water, benzene, chloroform,
ether; soluble in ethanol, acetone, acetic acid; soluble in
aqueous alkali |
| form | Powder |
| pka | 4.0, 6.9, 13.4(at 25℃) |
| color | Dark brown to brown-black |
| biological source | synthetic |
| Water Solubility | Soluble in acetone, alcohol, acetic acid (red color), and dilute aqueous alkali (blue-violet color). Insoluble in water. |
| λmax | 575 nm |
| Merck | 14,6863 |
| Stability: | Stable. |
| Biological Applications | Diagnosis of liver biopsy; detecting Candida,hepatitis B surface antigen in fixed tissues,histamines,HBsAg in liver cell,microorganisms |
| EPA Substance Registry System | Orcein (1400-62-0) |
Description and Uses
Orcein (cas# 1400-62-0) is an organic dye and histochemical stain. Orcein has also been used as a stain for extracellular matrices. Dyes and metabolites.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H302 |
| Precautionary statements | P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P270-P301+P312a-P330-P501a |
| Hazard Codes | Xn |
| Risk Statements | 22 |
| Safety Statements | 37/39-26-24/25 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 32129000 |
