234141

Rhodamine B base

Dye content 97 %

• Synonym(s): Solvent Red 49
• Empirical Formula (Hill Notation): C₂₈H₃₀N₂O₃
• CAS Number: 509-34-2
• Molecular Weight: 442.55
• Colour Index Number: 45170:1
• EC Number: 208-096-8
• MDL number: MFCD00066967
• UNSPSC Code: 12171500
• PubChem Substance ID: 24854024
• NACRES: NA.47

Properties

• form: solid
• composition: Dye content, 97%
• solubility: ethanol: 1 mg/mL
• λmax: 544 nm
• ε (extinction coefficient): ≥103000 at 542-546 nm in methanol at 0.0025 g/L
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: CCN(CC)c1ccc2c(OC3=CC(\C=CC3=C2c4ccccc4C([O-])=O)=[N+](\CC)CC)c1
• InChI: 1S/C28H30N2O3/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
• InChI key: CVAVMIODJQHEEH-UHFFFAOYSA-N

Description

General description

Rhodamine B base is a colorless dye with undetectable fluorescence feature. In acidic condition, rhodamine B base gets transformed into a colored rhodamine dye that acts as a stable and efficient laser dye.

Biochem/physiol Actions

Rhodamine B base has been used as a marker in the experiment to determine the mating of B. thuringiensis-resistant females with B. thuringiensis-resistant and B. thuringiensis-susceptible males in reciprocal orders.

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H302,H315,H318,H335
• pcodes: P261 - P264 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• ppe: dust mask type N95 (US), Eyeshields, Gloves