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Substance Name: Rhodamine B
RN: 81-88-9
UNII: K7G5SCF8IL
InChIKey: PYWVYCXTNDRMGF-UHFFFAOYSA-N

Note

  • A family of 3,6-di(substituted-amino)-9-benzoate derivatives of xanthene that are used as dyes and as indicators for various metals; also used as fluorescent tracers in histochemistry.

Molecular Formula

  • C28-H31-N2-O3.Cl

Molecular Weight

  • 479.017
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Coloring Agents
  • Experimental Pesticide
  • Fluorescent Dyes
  • Indicators and Reagents
  • Luminescent Agents
  • Mutation Data
  • Reproductive Effect
  • Tumor Data
  • Unspecified / Unclassified Pesticide

Superlist Classification Code

  • Overall Carcinogenic Evaluation: Group 3

Names and Synonyms

Name of Substance

  • CI 45170
  • Ethanaminium, N-(9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-e- thyl-, chloride
  • N-(9-(2-Carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-e- thylethanaminium chloride
  • Rhodamine B

MeSH Heading

  • Rhodamines

Synonyms

  • (9-(o-Carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene) diethylammonium chloride
  • 11411 Red
  • 9-O-Carboxyphenyl-6-diethylamino-3-ethylimino-3-isoxanthene, 3-ethochloride
  • Acid Brilliant Pink B
  • ADC Rhodamine B
  • Aizen Rhodamine BH
  • Aizen Rhodamine BHC
  • Akiriku Rhodamine B
  • Basazol Red 71P
  • Basic Rose Extract
  • Basic Rose Red
  • Basic Violet 10
  • Basonyl Red 540
  • Basonyl Red 545
  • Basonyl Red 545FL
  • Brilliant Pink B
  • C.I. 45170
  • C.I. Basic Violet 10
  • C.I. Food Red 15
  • C.I. No. 45170
  • Calcozine Red BX
  • Calcozine Rhodamine BXP
  • CCRIS 3985
  • Cerise Toner X 1127
  • Cerise Toner X1127
  • Certiqual Rhodamine
  • CI 45170
  • CI Basic Violet 10
  • CI Food Red 15
  • Cogilor Red 321.10
  • Cosmetic Brilliant Pink Bluish D Conc
  • D & C Red No.19
  • D and C Red No. 19
  • D&C Red 19
  • D&C red no.19
  • Diabasic Rhodamine B
  • Edicol Suppa Rose BS
  • Edicol Supra Rose B
  • Edicol Supra Rose BS
  • EINECS 201-383-9
  • Elcozine Rhodamine B
  • Eriosin Rhodamine B
  • Ethanaminium, N-(9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethyl-,chloride
  • FD and C Red No. 19
  • FD&C Red No. 19
  • Food Red 15
  • Geranium Lake N
  • Hexacol Rhodamine B Extra
  • HSDB 5244
  • Ikada Rhodamine B
  • Iragen Red L-U
  • Mitsui Rhodamine BX
  • NSC 10475
  • Red No. 213
  • Rheonine B
  • Rhodamine
  • Rhodamine B
  • Rhodamine B 20-7470
  • Rhodamine B chloride
  • Rhodamine B Extra
  • Rhodamine B Extra M 310
  • Rhodamine B Extra S
  • Rhodamine B500
  • Rhodamine B500 hydrochloride
  • Rhodamine BA
  • Rhodamine BA Export
  • Rhodamine BF
  • Rhodamine BL
  • Rhodamine BN
  • Rhodamine BS
  • Rhodamine BX
  • Rhodamine BXL
  • Rhodamine BXP
  • Rhodamine FB
  • Rhodamine FB CL
  • Rhodamine Lake Red B
  • Rhodamine O
  • Rhodamine S
  • Rhodamine S [Russian]
  • Rhodamine, Blue Shade
  • Rhodamine, tetraethyl-
  • Sicilian Cerise Toner A-7127
  • Symulex Magenta F
  • Symulex Pink F
  • Symulex Rhodamine B Toner F
  • Takaoka Rhodamine B
  • Tetraethyldiamino-o-carboxyphenyl xanthenyl chloride
  • Tetraethylrhodamine
  • UNII-K7G5SCF8IL
  • Violet zasadita 10
  • Violet zasadita 10 [Czech]

Systematic Names

  • 9-(2-Carboxyphenyl)-3,6-bis(diethylamino)xanthylium chloride
  • Ammonium, (9-(o-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)diethyl-, chloride
  • C.I. Basic Violet 10
  • Ethanaminium, N-(9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethyl-, chloride (9CI)
  • Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, chloride
  • Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, chloride (1:1)

Superlist Names

  • C.I. Food Red 15
  • D&C Red No. 19
  • Rhodamine B

Registry Numbers

CAS Registry Number

  • 81-88-9

FDA UNII

  • K7G5SCF8IL

Other Registry Numbers

  • 1023342-65-5
  • 1051370-49-0
  • 105480-59-9
  • 11111-29-8
  • 1236042-79-7
  • 1394971-11-9
  • 17181-58-7
  • 1773488-62-2
  • 1825993-87-0
  • 248928-56-5
  • 3521-79-7
  • 408346-58-7
  • 412909-17-2
  • 433215-26-0
  • 53664-59-8
  • 539821-35-7
  • 69319-23-9
  • 850856-47-2
  • 859039-47-7
  • 86513-49-7
  • 86893-15-4
  • 875572-56-8
  • 918962-66-0
  • 925914-34-7
  • 956491-27-3
  • 96119-80-1

System Generated Number

  • 0000081889

Molecular Formulas

Molecular Formula

  • C28-H31-N2-O3.Cl

Molecular Formula Fragments

  • C28-H31-N2-O3
  • Cl
  • COMPONENT

Structure Descriptors

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

c1(c2c(oc3c1ccc(\c3)=[N+](/CC)CC)cc(N(CC)CC)cc2)c1c(cccc1)C(O)=O.[ClH-]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 144mg/kg (144mg/kg)   "Recent Advances of Chemistry and Molecular Biology in Cancer Research, Insternational Symposium on Recent Advances of Chemistry and Molecular Biology in Cancer Research, Held in Beijing/China, July 23rd-26th, 1991" Dai Qianhuan, Margaret-Ann Armour and Zheng Qingying eds. Science Press Vol. -, Pg. 281, 1993.
mouse LD50 oral 887mg/kg (887mg/kg)   Toxicological European Research. Vol. 1, Pg. 23, 1978.
mouse LD50 subcutaneous 180mg/kg (180mg/kg)   Osaka-furitsu Koshu Eisei Kenkyusho Kenkyu Hokoku, Koshu Eisei Hen. Research Reports of the Oaka Prefectural Institute of Public Health, Public Health Section. Vol. (3), Pg. 185, 1953.
rat LD50 intraperitoneal 112mg/kg (112mg/kg)   Toxicological European Research. Vol. 1, Pg. 23, 1978.
rat LD50 intravenous 89mg/kg (89mg/kg)   Toxicology and Applied Pharmacology. Vol. 3, Pg. 696, 1961.
rat LDLo oral 500mg/kg (500mg/kg)   National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 8, 1953.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 165 deg C   EXP
log P (octanol-water) 1.95 (none)   EXP
Water Solubility 1.20E+04 mg/L 25 EXP
Vapor Pressure 1.89E-19 mm Hg 25 EST
Atmospheric OH Rate Constant 2.37E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.