Rhodamine B , ≥99.0%(HPLC) , 81-88-9

Synonym(s):
Basic Violet 10;Brilliant Pink B;Rhodamine O;Tetraethylrhodamine;Tetraethylrhodamine, Brilliant pink B

CAS NO.：81-88-9

Empirical Formula: C28H31ClN2O3

Molecular Weight: 479.01

MDL number: MFCD00011931

EINECS: 201-383-9

PRODUCT Properties

• Melting point: 210-211 (dec.)(lit.)
• Density: 0.79 g/mL at 20 °C
• bulk density: 250kg/m3
• refractive index: 1.6500 (estimate)
• Flash point: 12 °C
• storage temp.: room temp
• solubility: H2O: soluble1mg/mL
• Colour Index: 45170
• form: Solid
• 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.
• 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)

Description and Uses

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.

A useful fluorochrome for histology, FRET and mitochondrial probe.

Safety

• Symbol(GHS): GHS02,GHS07
• Signal word: Danger
• Hazard statements: H225-H319-H336
• Precautionary statements: P210-P305+P351+P338
• 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: Yes
• HS Code: 32041300
• Hazardous Substances Data: 81-88-9(Hazardous Substances Data)
• Toxicity: LD50 i.v. in rats: 89.5 mg/kg (Webb)