T8215330
Carminic Acid (Natural dye) , 1260-17-9
Synonym(s):
Carminic acid (C.I. 75470);Natural Red 4
CAS NO.:1260-17-9
Empirical Formula: C22H20O13
Molecular Weight: 492.39
MDL number: MFCD00167028
EINECS: 215-023-3
Pack Size | Price | Stock | Quantity |
5g | RMB996.00 | In Stock |
|
25g | RMB2628.00 | In Stock |
|
others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
Melting point: | 136 °C |
Boiling point: | 506.2°C (rough estimate) |
alpha | 15654 +51.6° (water) |
Density | 1.4504 (rough estimate) |
refractive index | 1.6000 (estimate) |
Flash point: | 12℃ |
storage temp. | room temp |
solubility | 30g/l |
Colour Index | 75470 |
pka | 1.62±0.20(Predicted) |
form | Crystalline Powder |
color | Red to dark red |
PH | 1.6 (10g/l, H2O, 20℃) |
Odor | Odorless |
PH Range | 4.8 - 6.2 |
optical activity | [α]20/D +3.1°, c = 1 in H2O |
Water Solubility | 1.298g/L(room temperature) |
Merck | 14,1843 |
BRN | 71651 |
LogP | 1.532 (est) |
Description and Uses
Carminic acid (C.I. 75470) For staining nuclei in histological sections. Used to prepare staining solutions.
CAS 1260-17-9, pH 1.6 (10?g/l, H?O, 20?°C).
Safety
Symbol(GHS) | GHS05 |
Signal word | Danger |
Hazard statements | H314 |
Precautionary statements | P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501 |
Safety Statements | 22-24/25 |
WGK Germany | 2 |
HS Code | 32129000 |