{"id":4099,"date":"2024-08-28T03:05:00","date_gmt":"2024-08-28T03:05:00","guid":{"rendered":"https:\/\/chemneo.com\/?post_type=product&#038;p=4099"},"modified":"2024-08-28T03:05:55","modified_gmt":"2024-08-28T03:05:55","slug":"fluorescein-cas-2321-07-5","status":"publish","type":"product","link":"https:\/\/chemneo.com\/en\/product\/4099.html","title":{"rendered":"Fluorescein CAS #2321-07-5"},"content":{"rendered":"<p>Fluorescein CAS #2321-07-5<\/p>\n<div id=\"ContentPlaceHolder1_ProductProperty\">\n<table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\">\n<tbody>\n<tr>\n<td class=\"td6\" bgcolor=\"DEEEF4\" width=\"611\" height=\"23\">Fluorescein Basic information<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table border=\"0\" width=\"100%\" cellspacing=\"1\" cellpadding=\"2\" bgcolor=\"d5d5d5\">\n<tbody>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td class=\"td1\">Product Name:<\/td>\n<td bgcolor=\"#fafafa\">Fluorescein<\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td bgcolor=\"#FFFFFF\">Synonyms:<\/td>\n<td bgcolor=\"#FFFFFF\"><span>Fluorescein, C.I. 45350, synthesis grade<\/span>;<span>Fluorescein, C.I. 45350, extra pure<\/span>;<span>FluoresceinC.I.45350<\/span>;<span>Fluorescein, laser grade, pure, 99%<\/span>;<span>Fluorescein, pure<\/span>;<span>Fluorescein,highpuritystandard<\/span>;<span>D&amp;CYellow#7<\/span>;<span>Spiroisobenzofuran-1(3H),9-9Hxanthen-3-one, 3,6-dihydroxy-<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td1\">CAS:<\/td>\n<td bgcolor=\"#fafafa\"><b>2321-07-5<\/b><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td bgcolor=\"#FFFFFF\">MF:<\/td>\n<td bgcolor=\"#FFFFFF\">C20H12O5<\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td1\">MW:<\/td>\n<td bgcolor=\"#fafafa\">332.31<\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td bgcolor=\"#FFFFFF\">EINECS:<\/td>\n<td bgcolor=\"#FFFFFF\">219-031-8<\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td1\">Product Categories:<\/td>\n<td bgcolor=\"#fafafa\">Fluorescent;Xanthene;FUNDUSCEIN;Aromatics;Fluorescent Labels &amp; Indicators;Heterocycles;Intermediates &amp; Fine Chemicals;Pharmaceuticals;E-FFluorescent Probes, Labels, Particles and Stains;Fluorescein and Derivatives;Fluorescent Labels;Stains and Dyes;Stains&amp;Dyes, A to<\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td1\">Mol File:<\/td>\n<td bgcolor=\"#fafafa\">2321-07-5.mol<\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td colspan=\"2\" align=\"center\" bgcolor=\"#FFFFFF\"><img decoding=\"async\" src=\"https:\/\/www.chemicalbook.com\/CAS\/GIF\/2321-07-5.gif\" alt=\"Fluorescein Structure\" title=\"\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div id=\"ContentPlaceHolder1_ProductChemPropertyA\">\n<table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\">\n<tbody>\n<tr>\n<td bgcolor=\"64B7D7\" height=\"1\"><\/td>\n<\/tr>\n<tr>\n<td class=\"td6\" bgcolor=\"DEEEF4\" width=\"611\" height=\"23\">Fluorescein Chemical Properties<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table border=\"0\" width=\"100%\" cellspacing=\"1\" cellpadding=\"2\" bgcolor=\"d5d5d5\">\n<tbody>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td12\">Melting point<\/td>\n<td bgcolor=\"#fafafa\"><span style=\"color: #0066cc;\">320\u00a0\u00b0C(lit.)<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td bgcolor=\"#FFFFFF\">Boiling point<\/td>\n<td bgcolor=\"#FFFFFF\"><span style=\"color: #0066cc;\">429.44\u00b0C (rough estimate)<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td12\">density<\/td>\n<td bgcolor=\"#fafafa\"><span style=\"color: #0066cc;\">1.2739 (rough estimate)<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td bgcolor=\"#FFFFFF\">refractive index<\/td>\n<td bgcolor=\"#FFFFFF\"><span style=\"color: #0066cc;\">1.5000 (estimate)<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td12\">storage temp.<\/td>\n<td bgcolor=\"#fafafa\"><span style=\"color: #0066cc;\">room temp<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td bgcolor=\"#FFFFFF\">solubility<\/td>\n<td bgcolor=\"#FFFFFF\"><span style=\"color: #0066cc;\">Solubility Insoluble in water, ether, benzene, chloroform; soluble in ethanol, methanol, acetone, Iethyl acetate, N,N-dimethylformamide<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td12\">Colour Index<\/td>\n<td bgcolor=\"#fafafa\"><span style=\"color: #0066cc;\">45350<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td bgcolor=\"#FFFFFF\">form<\/td>\n<td bgcolor=\"#FFFFFF\"><span style=\"color: #0066cc;\">Powder<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td12\">pka<\/td>\n<td bgcolor=\"#fafafa\"><span style=\"color: #0066cc;\">2.2, 4.4, 6.7(at 25\u2103)<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td bgcolor=\"#FFFFFF\">color<\/td>\n<td bgcolor=\"#FFFFFF\"><span style=\"color: #0066cc;\">Red to orange<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td12\">PH Range<\/td>\n<td bgcolor=\"#fafafa\"><span style=\"color: #0066cc;\">Pink uorescence (4.0) to green uorescence (6.0)<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td bgcolor=\"#FFFFFF\">Water Solubility<\/td>\n<td bgcolor=\"#FFFFFF\"><span style=\"color: #0066cc;\">insoluble<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td12\">\u03bbmax<\/td>\n<td bgcolor=\"#fafafa\"><span style=\"color: #0066cc;\">493.5nm, 496nm, 460nm, 515nm<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td bgcolor=\"#FFFFFF\">Merck<\/td>\n<td bgcolor=\"#FFFFFF\"><span style=\"color: #0066cc;\">14,4159<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td12\">BRN<\/td>\n<td bgcolor=\"#fafafa\"><span style=\"color: #0066cc;\">94324<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td bgcolor=\"#FFFFFF\">Stability:<\/td>\n<td bgcolor=\"#FFFFFF\"><span style=\"color: #0066cc;\">Stable. Combustible. Incompatible with strong oxidizing agents.<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td12\">Major Application<\/td>\n<td bgcolor=\"#fafafa\"><span style=\"color: #0066cc;\">Organic light-emitting diode, nanoparticles, liquid crystal display, oil products, lip make-up, nucleic acid synthesis, amplification, sequencing and cloning, diagnosis of diabetic retinopathy, detecting yeast, multidrug resistance, proteins, antiHCV antibodies, target genes, enzymatic activity, nerve agent, nucleic acid sequences, imaging lung cancer, prostate cancer<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td bgcolor=\"#FFFFFF\">Biological Applications<\/td>\n<td bgcolor=\"#FFFFFF\"><span style=\"color: #0066cc;\">Detecting chromosomal aberration; diagnosing corneal diseases; marking\/detecting insects; as antitumor agent; as antihistaminic agent; use in agriculture and plant cultivation; use in cosmetics; use in ophthalmology; as a substrate for measuring \u03b1-amylases activity, elastases activity, esterases activity, \u03b2-glucuronidases activity, horseradish peroxidases activity, kinases activity, monoamine oxidases (MAOs) activity, phosphatases activity, phospholipases activity, proteases\/proteinases activity, telomerases activity activity<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td12\">LogP<\/td>\n<td bgcolor=\"#fafafa\"><span style=\"color: #0066cc;\">2.980 (est)<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_2\">\n<td bgcolor=\"#FFFFFF\">CAS DataBase Reference<\/td>\n<td bgcolor=\"#FFFFFF\"><span style=\"color: #0066cc;\">2321-07-5(CAS DataBase Reference)<\/span><\/td>\n<\/tr>\n<tr class=\"ProdSupplierGN_ProductA_1\">\n<td class=\"td12\">EPA Substance Registry System<\/td>\n<td bgcolor=\"#fafafa\"><span style=\"color: #0066cc;\">Fluorescein (2321-07-5)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Fluorescein is a synthetic organic compound that appears as a dark orange\/red powder and is slightly soluble in water and alcohol. It is widely used as a fluorescent tracer for many applications.<\/p>\n<p>Fluorescein is a fluorescent group commonly used in microscopes, dye lasers as gain media, forensic and serological detection of potential blood stains, and dye tracing. The maximum absorption wavelength of fluorescein is 494 nm, and the maximum emission wavelength is 521 nm (in water). The main derivatives are fluorescein isothiocyanate (FITC) and 6-FAM phosphorous amide in oligonucleotide synthesis.<\/p>","protected":false},"featured_media":4154,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[22],"product_tag":[24],"class_list":{"0":"post-4099","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-daily-chemicals","7":"product_tag-daily-chemicals","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/chemneo.com\/en\/wp-json\/wp\/v2\/product\/4099","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chemneo.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/chemneo.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/chemneo.com\/en\/wp-json\/wp\/v2\/comments?post=4099"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chemneo.com\/en\/wp-json\/wp\/v2\/media\/4154"}],"wp:attachment":[{"href":"https:\/\/chemneo.com\/en\/wp-json\/wp\/v2\/media?parent=4099"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/chemneo.com\/en\/wp-json\/wp\/v2\/product_brand?post=4099"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/chemneo.com\/en\/wp-json\/wp\/v2\/product_cat?post=4099"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/chemneo.com\/en\/wp-json\/wp\/v2\/product_tag?post=4099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}