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Rhodamine B CAS#81-88-9
CAS Number: 81-88-9
Chemical Formula: C28H31ClN2O3
Synonyms:
Rhodamine B, ≥99.0%(HPLC)
RHODAMINE BRHODAMINE BRHODAMINE B
LABOTEST-BB LT00772274
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Appearance: Green Powder
Rhodamine B CAS#81-88-9
C.I. Food red 15 is a green crystalline or redviolet powdered solid. Molecular weight =479.1. HazardIdentification (based on NFPA-704 M Rating System):Health 1, Flammability 1, Reactivity 0. Highly soluble inwater.An organic chloride salt having N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethylethanaminium as the counterion. An amphoteric dye commonly used as a fluorochrome.
Rhodamine B Chemical Properties |
Melting point | 210-211 (dec.)(lit.) |
bulk density | 250kg/m3 |
density | 0.79 g/mL at 20 °C |
refractive index | 1.6500 (estimate) |
Fp | 12 °C |
storage temp. | room temp |
solubility | H2O: soluble1mg/mL |
form | Solid |
Colour Index | 45170 |
color | Green |
PH | 3-4 (10g/l, H2O, 20℃) |
Water Solubility | SOLUBLE |
ε(extinction coefficient) | 104500-115800 at 542-554nm in methanol |
Merck | 14,8183 |
BRN | 4119648 |
Stability: | Stable. Incompatible with strong oxidizing agents. |
Major Application | cleaning products |
Cosmetics Ingredients Functions | COLORANT |
InChI | 1S/C28H30N2O3.ClH/c1-5-29(6-2)19-13-15-23-25(17-19)33-26-18-20(30(7-3)8-4)14-16-24(26)27(23)21-11-9-10-12-22(21)28(31)32;/h9-18H,5-8H2,1-4H3;1H |
InChIKey | PYWVYCXTNDRMGF-UHFFFAOYSA-N |
SMILES | [Cl-].CCN(CC)c1ccc2c(OC3=CC(\C=CC3=C2c4ccccc4C(O)=O)=[N+](/CC)CC)c1 |
LogP | 1.9-2 |
CAS DataBase Reference | 81-88-9(CAS DataBase Reference) |
IARC | 3 (Vol. 16, Sup 7) 1987 |
NIST Chemistry Reference | Rhodamine b(81-88-9) |
EPA Substance Registry System | Rhodamine B (81-88-9) |
Safety Information |
Hazard Codes | Xn,Xi,F |
Risk Statements | 22-41-68-67-36-11-40-20/21/22-52/53 |
Safety Statements | 7-16-24/25-26-36/37/39-39-36-22 |
WGK Germany | 3 |
RTECS | BP3675000 |
TSCA | TSCA listed |
HS Code | 32041300 |
Storage Class | 11 - Combustible Solids |
Hazard Classifications | Acute Tox. 4 Oral |
Hazardous Substances Data | 81-88-9(Hazardous Substances Data) |
Toxicity | LD50 i.v. in rats: 89.5 mg/kg (Webb) |
Product Application of Rhodamine B CAS#81-88-9
As a dye, especially for paper; as a reagent for antimony, bismuth, cobalt, niobium, gold, manganese, mercury, molybdenum, tantalum, thallium, tungsten; as biological stain. Provisionally listed for use in drugs and cosmetics.Rhodamine B is used in biological studies for an anti-reactive oxygen species/hepatic fibrosis drug delivery system based on salvianolic acid B loaded mesoporous silica nanoparticles. Dyes and metabolites, Environmental Testing.
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