T8194830
Chlorantine Fast Red 5B , 2610-11-9
Synonym(s):
Disodium 7-benzamido-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate;DR 81
CAS NO.：2610-11-9
Empirical Formula: C29H19N5Na2O8S2
Molecular Weight: 675.6
MDL number: MFCD00003949
EINECS: 220-028-9
| Pack Size | Price | Stock | Quantity |
| 25g | RMB272.00 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 240°C (dec.) (lit.) |
| Density | 1.507[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | room temp |
| Colour Index | 28160 |
| form | powder |
| Water Solubility | 4.71g/L at 20℃ |
| λmax | 397 nm 508 nm (2nd) |
| ε(extinction coefficient) | ≥12000 at 272-278nm in H2O at 0.01g/L |
| LogP | -2.05 at 20℃ |
| EPA Substance Registry System | C.I. Direct Red 81 disodium salt (2610-11-9) |
Description and Uses
Chlorantine Fast Red 5B is a direct dye used in cosmetics, hair dyes and in the textile industry as a colourant.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H319 |
| Precautionary statements | P264-P280-P305+P351+P338-P337+P313P |
| WGK Germany | 3 |
| RTECS | QK1370000 |
