CAS 81-88-9 Rhodamine B - Materials / Alfa Chemistry

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Xanthene Dyes

Rhodamine B

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Catalog Number

ACM81889-1

Product Name

Rhodamine B

Structure

CAS

81-88-9

Category

Xanthene Dyes

Synonyms

9-(2-Carboxyphenyl)-3,6-bis(diethylamino)xanthylium chloride

Description

Alfa Chemistry offers Rhodamine B products for various research purposes. Please contact us by email if you do not find the specification you are looking for on this page.

IUPAC Name

[9-(2-Carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride

Molecular Weight

479.01

Molecular Formula

C28H31ClN2O3

Canonical SMILES

CCN(CC)C1=CC2=C(C=C1)C(=C3C=CC(=[N+](CC)CC)C=C3O2)C4=CC=CC=C4C(=O)O.[Cl-]

InChI

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

InChI Key

PYWVYCXTNDRMGF-UHFFFAOYSA-N

Melting Point

210-211 °C

Flash Point

12ºC

Purity

98%

Density

0.79 g/ml

Solubility

Completely soluble in water very soluble in Alcohol Soluble in Benzene Slightly sol. in Acetone

Appearance

Powder

Application

Applications of xanthene dyes involve optical materials and organic dyes for medical diagnosis research. Several characteristic features of xanthene dyes are large absorption and luminescence, excellent light resistance, low toxicity in-vivo, and relatively high solubility in water.

Storage

-20 °C in the dark

Color/Form

GREEN CRYSTALS OR REDDISH-VIOLET POWDER; WATER SOLN WITH BLUISH-RED COLOR, DIL SOLN STRONGLY FLUORESCENT;LEAFLETS FROM DILUTE HYDROCHLORIC ACID

Complexity

811

Covalently-Bonded Unit Count

EC Number

201-383-9

Exact Mass

478.202321g/mol

Features And Benefits

Both cationic and anionic xanthene dyes are known to be efficient fluorescent dyes. Functional groups on the xanthene moiety control their fluorescent colors.

Formal Charge

Hazard Statements

H334

Heavy Atom Count

Log P

2.56500

MDL Number

MFCD00011931

MeSH Entry Terms

rhodamine B;rhodamine B acetate;rhodamine B chloride;rhodamine B dihydride;tetraethylrhodamine

Monoisotopic Mass

478.202321g/mol

NSC Number

41837;10475

Other Experimental

MAX ABSORPTION (ALCOHOL): 546 (LOG E= 4.86) /BASIC ANHYDROUS FORM/;SOL IN WATER, ALCOHOL & ETHER, BENZENE /BASIC ANHYDROUS FORM/;INSOL IN ORG SOLVENTS /BASIC ANHYDROUS FORM/;GREEN LEAFLETS FROM WATER WITH 4 MOL OF WATER OF CRYSTALLIZATION, COLORLESS PRISMS FROM ALCOHOL, XYLENE /BASIC ANHYDROUS FORM/;165 °C (anhydrous);SOL IN ... HOT XYLENE /BASIC ANHYDROUS FORM/

3-4

Precautionary Statements

P260 P262

Rotatable Bond Count

Signal Word

Danger

Stability

Stable. Incompatible with strong oxidizing agents.

Storage Conditions

Store at room temperature and dry

UNII

K7G5SCF8IL