Fluorescein chloride

Base Information

• Chemical Name: Fluorescein chloride
• CAS No.: 630-88-6
• Molecular Formula: C20H10 Cl2 O3
• Molecular Weight: 369.204
• Hs Code.: 2932999099
• European Community (EC) Number: 211-147-7
• NSC Number: 231613
• UNII: 2G5JV2XD4H
• DSSTox Substance ID: DTXSID7060889
• Nikkaji Number: J68.994G
• Wikidata: Q73892618
• Mol file: 630-88-6.mol

Synonyms:Fluorescein chloride;630-88-6;3',6'-Dichlorofluoran;Fluorescein dichloride;Fluoran, 3',6'-dichloro-;FLUORESCEINCHLORIDE;3',6'-Dichlorospiro(phthalide-3,9'-xanthene);3',6'-dichlorospiro[2-benzofuran-3,9'-xanthene]-1-one;2G5JV2XD4H;Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dichloro-;EINECS 211-147-7;NSC 231613;NSC-231613;Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dichloro-;3',6'-dichloro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one;C20H10Cl2O3;Fluoresceinchlorid;3',6'-dichloro-3h-spiro[2-benzofuran-1,9'-xanthen]-3-one;3,6-Dichlorofluoran;Fluoran,6'-dichloro-;UNII-2G5JV2XD4H;SCHEMBL1207502;3,6'-DICHLORO FLUORAN;DTXSID7060889;C20-H10-Cl2-O3;AMY37403;MFCD00037841;NSC231613;AKOS015889395;AS-57366;CS-0326793;D0369;FT-0614756;D89639;Spiro[isobenzofuran-1(3H), 3',6'-dichloro-;3',6'-Dichlorospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one

Chemical Property of Fluorescein chloride

Chemical Property:

• Appearance/Colour: white to light yellow crystalline powder.
• Melting Point: 253-255 °C(lit.)
• Refractive Index: 1.7360 (estimate)
• Boiling Point: 539.8ºC at 760 mmHg
• Flash Point: 214.3ºC
• PSA: 35.53000
• Density: 1.56 g/cm³
• LogP: 5.56140
• Solubility.: almost transparency in hot Toluene
• XLogP3: 5.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 368.0006996
• Heavy Atom Count: 25
• Complexity: 527

Purity/Quality:

99% ^*data from raw suppliers

Fluorescein Chloride [Reagent for Amines] >95.0%(HPLC) ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 37/39-26

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Dyes -> Other Dyes
• Canonical SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)Cl)OC5=C3C=CC(=C5)Cl

Technology Process of Fluorescein chloride

There total 6 articles about Fluorescein chloride which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 90.5%

fluorescein (2321-07-5,126605-73-0) → 3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one (630-88-6)

Guidance literature:

With sulfolane; thionyl chloride; In N,N-dimethyl-formamide; at 60 - 80 ℃; for 2.5h; Temperature;

Reference yield: 76.0%

3-monochlorophenol (108-43-0) + 2-(4'-chloro-2'-hydroxybenzoyl)benzoic acid (76135-38-1) → 3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one (630-88-6)

Guidance literature:

With zinc(II) chloride; at 155 - 160 ℃; for 12h;

Reference yield: 70.0%

phthalic anhydride (85-44-9) + 3-monochlorophenol (108-43-0) → 3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one (630-88-6)

Guidance literature:

With ferric hydrogen sulphate; at 160 ℃; for 13h; neat (no solvent);

DOI:10.2478/s11696-011-0024-3

upstream raw materials:

phthalic anhydride

3-monochlorophenol

fluorescein

2-(4'-chloro-2'-hydroxybenzoyl)benzoic acid

Downstream raw materials:

C₃₂H₃₀N₂O₃

3'-N-butylanilino-6'-chlorofluoran

3',6'-Bis(2,5-dimethylanilino)fluoran

3',6'-dichlorohydrofluoran acid methyl ester

Refernces

• 1、 Eshghi, Hossein,Mirzaie, Narges. "Ferric hydrogensulphate as a recyclable catalyst for the synthesis of fluorescein derivatives". experimental part. p. 504 - 509. Retrieved 2012/07/13.
• 2、 -. "Triphenylmethane colorant compounds". Page 141. . Retrieved 2008/06/13.