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CAS No 81-88-9 , [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium

  • Name: [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium
  • Synonyms: Basic Violet 10;
    chloride; Rhodamine; Symulex Magenta F; Rheonine B; Brilliant Pink B; Rhodamine O; Tetraethylrhodamine;[9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium; Calcozine Red BX;
  • CAS Registry Number:
  • Transport: 25kgs
  • Melting Point: 210-211 ºC (DEC.)
  • Flash Point: 12 °C
  • Density: 0.79 g/mL at 20 °C
  • Safety Statements: R22;R41;R68
  • Hazard Symbols: Xn: Harmful;
  • HS Code: 32041300
  • Flash Point: 12 °C
  • EINECS: 201-383-9
  • Molecular Weight: 479.01034
  • InchiKey: PYWVYCXTNDRMGF-UHFFFAOYSA-N
  • 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
  • Risk Statements: S26;S36/37/39
  • Molecular Formula: C28H31ClN2O3
  • Molecular Structure:CAS No:81-88-9 [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium

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References of [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium
Title: Rhodamine B
CAS Registry Number: 81-88-9
CAS Name: 9-(2-carboxyphenyl)-3,6-bis(diethylamino)xanthylium chloride
Synonyms: N-[9-(2-Carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethylethanaminium chloride; tetraethylrhodamine; D & C Red No. 19; C.I. Basic Violet 10; C.I. 45170
Molecular Formula: C28H31ClN2O3
Molecular Weight: 479.01
Percent Composition: C 70.21%, H 6.52%, Cl 7.40%, N 5.85%, O 10.02%
Literature References: Prepn: Colour Index vol. 4 (3rd ed., 1971) p 4420. Toxicity study: J. M. Webb et al., Toxicol. Appl. Pharmacol. 3, 696 (1961).
Properties: Green crystals or reddish-violet powder. Very sol in water with a bluish-red color, dil solns being strongly fluorescent; very sol in alcohol; slightly sol in HCl, NaOH. LD50 i.v. in rats: 89.5 mg/kg (Webb).
Toxicity data: LD50 i.v. in rats: 89.5 mg/kg (Webb)
Use: 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.