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CAS No 2150-48-3 , [6-(diethylamino)xanthen-3-ylidene]-diethylazanium

  • Name: [6-(diethylamino)xanthen-3-ylidene]-diethylazanium
  • Synonyms: Pyronine B; 2150-48-3; NSC44690; NSC 44690; E tetraethylpyronin; purified; C.I. 45010;chloride; Pyronine B(By);Pyronin B;[6-(diethylamino)xanthen-3-ylidene]-diethylazanium; EINECS 218-429-9;
  • CAS Registry Number:
  • Melting Point: 174-176 ºC
  • Safety Statements: Poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits toxic fumes of Cl−, NOx, and NH3.
  • Hazard Symbols: Xn: Harmful;
  • EINECS: 218-429-9
  • Molecular Weight: 358.90488
  • InchiKey: CXZRDVVUVDYSCQ-UHFFFAOYSA-M
  • InChI: InChI=1S/C21H27N2O.ClH/c1-5-22(6-2)18-11-9-16-13-17-10-12-19(23(7-3)8-4)
    15-21(17)24-20(16)14-18;/h9-15H,5-8H2,1-4H3;1H/q+1;/p-1
  • Risk Statements: 68
  • Molecular Formula: C21H27ClN2O
  • Molecular Structure:CAS No:2150-48-3 [6-(diethylamino)xanthen-3-ylidene]-diethylazanium

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2150-48-3 PYRONIN B

  • United States AMRESCO Inc. [Manufacturer]
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2150-48-3 Xanthylium,3,6-bis(diethylamino)-, chloride (1:1)

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2150-48-3 Xanthylium,3,6-bis(diethylamino)-, chloride (1:1)

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2150-48-3 Xanthylium,3,6-bis(diethylamino)-, chloride (1:1)

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2150-48-3 PYRONIN B

  • China Nanjing Chemlin Chemical Industry Co.,Ltd. [Manufacturer]
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References of [6-(diethylamino)xanthen-3-ylidene]-diethylazanium
Title: Pyronine B
CAS Registry Number: 2150-48-3
CAS Name: 3,6-Bis(diethylamino)xanthylium chloride
Synonyms: [6-(diethylamino)-3H-xanthen-3-ylidene]diethylammonium chloride; C.I. 45010
Molecular Formula: C21H27ClN2O
Molecular Weight: 358.90
Percent Composition: C 70.28%, H 7.58%, Cl 9.88%, N 7.81%, O 4.46%
Literature References: Prepn of metallic complex: DE 54190 (1889 to Bayer); DE 59003 (1891 to A. Leonhardt); Biehringer, Ber. 27, 3299 (1894); J. Prakt. Chem. 54, 217 (1896); Albert, J. Chem. Soc. 1947, 244. Structure: Chamberlin et al., J. Org. Chem. 27, 2263 (1962). The commercial product is a complex with iron as depicted below.
 
Derivative Type: Ferric chloride complex
Properties: Green metallic needles, mp 176-178°. Absorption max (50% ethanol): 555 nm (E1%1cm 2324).
Melting point: mp 176-178°
Absorption maximum: Absorption max (50% ethanol): 555 nm (E1%1cm 2324)
 
Use: Stain for bacteria, molds, ribonucleic acids.