{"id":7594,"date":"2024-11-11T06:01:31","date_gmt":"2024-11-11T06:01:31","guid":{"rendered":"https:\/\/longchangchemical.com\/?post_type=product&#038;p=7594"},"modified":"2025-12-16T02:16:23","modified_gmt":"2025-12-16T02:16:23","slug":"photoinitiator-551-cas-591773-90-9","status":"publish","type":"product","link":"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-551-cas-591773-90-9\/","title":{"rendered":"CHLUMINIT\u00ae 551 \/ Photo-initiateur 551 CAS 591773-90-9"},"content":{"rendered":"<h1>Photoinitiateur 551 CAS 591773-90-9<\/h1>\n<p><strong>Synonyme<\/strong>: 10-(4-Biphenylyl)-2,4-Diethylthioxanthone-10- sulfonium hexafluorophosphate<br \/>\n<strong>No CAS<\/strong>: 591773-90-9<br \/>\n<strong>Formule mol\u00e9culaire<\/strong>: C29H25OS.PF6<br \/>\n<strong>Informations g\u00e9n\u00e9rales<\/strong>:<br \/>\nCHLUMINIT 551 est un photo-initiateur cationique avec une activit\u00e9 photo-initiatrice \u00e9lev\u00e9e, un bon s\u00e9chage de surface, pas de jaunissement, pas de migration et pas d'odeur. Il a une certaine absorption \u00e0 365\/385\/395nm et peut \u00eatre utilis\u00e9 pour le durcissement par LED.<\/p>\n<p>Compar\u00e9e \u00e0 la structure ITX de CHLUMINIT 550, la structure DETX de CHLUMINIT 551 est plus respectueuse de l'environnement et pr\u00e9sente une toxicit\u00e9 biologique plus faible. Il peut \u00eatre utilis\u00e9 dans les emballages alimentaires en remplacement de l'Omnicat 550.<\/p>\n<p><strong><b>Sp\u00e9cifications<\/b><\/strong><strong><b>:<\/b><\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"204\">Apparence<\/td>\n<td width=\"214\">Poudre cristalline jaune<\/td>\n<\/tr>\n<tr>\n<td width=\"204\">La puret\u00e9<\/td>\n<td width=\"214\">\u226598%<\/td>\n<\/tr>\n<tr>\n<td width=\"204\">Point de fusion<\/td>\n<td width=\"214\">190-200\u2103<\/td>\n<\/tr>\n<tr>\n<td width=\"204\">Mati\u00e8res volatiles<\/td>\n<td width=\"214\">\u22640.5%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><b>Utilisation<\/b><\/strong><strong><b>:<\/b><\/strong><\/p>\n<p>Encres d'imprimerie cationiques et vernis de surimpression pour des applications sp\u00e9ciales telles que les rev\u00eatements de bo\u00eetes, les rev\u00eatements de bobines et les emballages pharmaceutiques.<\/p>\n<p><strong><b>Paquet<\/b><\/strong><strong><b>:<\/b><\/strong><\/p>\n<p>1KG\/SAC<\/p>\n<p><strong><b>Stockage :<\/b><\/strong><\/p>\n<p>Stocker dans un entrep\u00f4t sec, propre et ventil\u00e9.<br \/>\n\u00c9viter l'exposition \u00e0 la lumi\u00e8re et \u00e0 la chaleur.<br \/>\nVeillez \u00e0 \u00e9viter les fuites, la pluie et le soleil pendant le transport.<\/p>\n<h2><strong><b>Contactez-nous d\u00e8s maintenant !<\/b><\/strong><\/h2>\n<h4><strong><b>Si vous avez besoin de Price, veuillez indiquer vos coordonn\u00e9es dans le formulaire ci-dessous. Nous vous contacterons g\u00e9n\u00e9ralement dans les 24 heures. Vous pouvez \u00e9galement m'envoyer un courriel <span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span>\u00a0pendant les heures de travail ( 8:30 am to 6:00 pm UTC+8 Mon.~Sat. ) ou utilisez le chat en direct du site web pour obtenir une r\u00e9ponse rapide.<\/b><\/strong><\/h4>\n<p>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 435.77pt;\" border=\"0\" width=\"581\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt; width: 215.25pt;\" width=\"287\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-tpo-cas-75980-60-8\/\"><span style=\"color: #00ccff;\">Photoinitiateur TPO<\/span><\/a><\/td>\n<td style=\"width: 220.50pt;\" width=\"294\">CAS 75980-60-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/cas-270586-78-2\/\"><span style=\"color: #00ccff;\">Photoinitiateur TMO<\/span><\/a><\/td>\n<td>CAS 270586-78-2<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-pd-01-cas-579-07-7\/\"><span style=\"color: #00ccff;\">Photoinitiateur PD-01<\/span><\/a><\/td>\n<td>CAS 579-07-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-pbz-cas-2128-93-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur PBZ<\/span><\/a><\/td>\n<td>CAS 2128-93-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-oxe-02-cas-478556-66-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur OXE-02<\/span><\/a><\/td>\n<td>CAS 478556-66-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-ombb\/\"><span style=\"color: #00ccff;\">Photoinitiateur OMBB<\/span><\/a><\/td>\n<td>CAS 606-28-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-mpbz-6012\/\"><span style=\"color: #00ccff;\">Photoinitiateur MPBZ (6012)<\/span><\/a><\/td>\n<td>CAS 86428-83-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-mbp-cas-134-84-9\/\"><span style=\"color: #00ccff;\">Photoinitiateur MBP<\/span><\/a><\/td>\n<td>CAS 134-84-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-mbf-cas-15206-55-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur MBF<\/span><\/a><\/td>\n<td>CAS 15206-55-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-lap-cas-85073-19-4\/\"><span style=\"color: #00ccff;\">Photoinitiateur LAP<\/span><\/a><\/td>\n<td>CAS 85073-19-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-itx-cas-5495-84-1\/\"><span style=\"color: #00ccff;\">Photoinitiateur ITX<\/span><\/a><\/td>\n<td>CAS 5495-84-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-emk\/\"><span style=\"color: #00ccff;\">Photoinitiateur EMK<\/span><\/a><\/td>\n<td>CAS 90-93-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-eha-cas-21245-02-3\/\"><span style=\"color: #00ccff;\">Photoinitiateur EHA<\/span><\/a><\/td>\n<td>CAS 21245-02-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-edb-cas-10287-53-3\/\"><span style=\"color: #00ccff;\">Photo-initiateur EDB<\/span><\/a><\/td>\n<td>CAS 10287-53-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-detx-cas-82799-44-8\/\"><span style=\"color: #00ccff;\">Photoinitiateur DETX<\/span><\/a><\/td>\n<td>CAS 82799-44-8<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-cq\/\"><span style=\"color: #00ccff;\">Photoinitiateur CQ \/ Camphorquinone<\/span><\/a><\/td>\n<td>CAS 10373-78-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-cbp-cas-134-85-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur CBP<\/span><\/a><\/td>\n<td>CAS 134-85-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-bp-cas-119-61-9\/\"><span style=\"color: #00ccff;\">Photo-initiateur BP \/ Benzoph\u00e9none<\/span><\/a><\/td>\n<td>CAS 119-61-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-bms\/\"><span style=\"color: #00ccff;\">Photoinitiateur BMS<\/span><\/a><\/td>\n<td>CAS 83846-85-9<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-938\/\"><span style=\"color: #00ccff;\">Photoinitiateur 938<\/span><\/a><\/td>\n<td>CAS 61358-25-6<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-937-cas-71786-70-4\/\"><span style=\"color: #00ccff;\">Photoinitiateur 937<\/span><\/a><\/td>\n<td>CAS 71786-70-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-819-dw\/\"><span style=\"color: #00ccff;\">Photo-initiateur 819 DW<\/span><\/a><\/td>\n<td>CAS 162881-26-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-819-irgacure-819-cas-162881-26-7\/\"><span style=\"color: #00ccff;\">Photoinitiateur 819<\/span><\/a><\/td>\n<td>CAS 162881-26-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-784-cas-125051-32-3\/\"><span style=\"color: #00ccff;\">Photoinitiateur 784<\/span><\/a><\/td>\n<td>CAS 125051-32-3<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-754-cas-211510-16-6-442536-99-4\/\"><span style=\"color: #00ccff;\">Photoinitiateur 754<\/span><\/a><\/td>\n<td>CAS 211510-16-6 442536-99-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-6993-cas-71449-78-0\/\"><span style=\"color: #00ccff;\">Photoinitiateur 6993<\/span><\/a><\/td>\n<td>CAS 71449-78-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-6976\/\"><span style=\"color: #00ccff;\">Photoinitiateur 6976<\/span><\/a><\/td>\n<td>CAS 71449-78-0 89452-37-9 108-32-7<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-379-cas-119344-86-4\/\"><span style=\"color: #00ccff;\">Photoinitiateur 379<\/span><\/a><\/td>\n<td>CAS 119344-86-4<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-369-cas-119313-12-1\/\"><span style=\"color: #00ccff;\">Photoinitiateur 369<\/span><\/a><\/td>\n<td>CAS 119313-12-1<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-160\/\">Photoinitiateur 160<\/a><\/span><\/td>\n<td>CAS 71868-15-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-1206\/\"><span style=\"color: #00ccff;\">Photoinitiateur 1206<\/span><\/a><\/td>\n<td><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td style=\"height: 13.50pt;\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/fr\/product\/irgacure-1173-cas-7473-98-5\/\"><span style=\"color: #00ccff;\">Photoinitiateur 1173<\/span><\/a><\/td>\n<td>CAS 7473-98-5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p><strong>CHLUMINIT 551<\/strong> est un photo-initiateur cationique avec une activit\u00e9 photo-initiatrice \u00e9lev\u00e9e, un bon s\u00e9chage de surface, pas de jaunissement, pas de migration et pas d'odeur. Il a une certaine absorption \u00e0 365\/385\/395nm et peut \u00eatre utilis\u00e9 pour le durcissement par LED.<\/p>\n<p>Compar\u00e9e \u00e0 la structure ITX de CHLUMINIT 550, la structure DETX de CHLUMINIT 551 est plus respectueuse de l'environnement et pr\u00e9sente une toxicit\u00e9 biologique plus faible. Il peut \u00eatre utilis\u00e9 dans les emballages alimentaires en remplacement de l'Omnicat 550.<\/p>","protected":false},"featured_media":7573,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[175,174,176],"product_tag":[],"class_list":{"0":"post-7594","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-cationic-photoinitiator","7":"product_cat-photoinitiator","8":"product_cat-newly-developed-pis","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>China CHLUMINIT\u00ae 551 Cationic Photoinitiator Cas No 591773-90-9 - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"CHLUMINIT 551 is a cationic photoinitiator with high photoinitiator activity, good surface drying, no yellowing, no migration, and no odor. It has a certain absorption at 365\/385\/395nm and can be used for LED curing. Compared with the ITX structure in CAT-550, the DETX structure in CAT-551 is more environmentally friendly and has lower biological toxicity. It can be used in food packaging to replace Omnirad 550.,Chemical Name 10-(4-Biphenylyl)-2-isopropyl-9-oxo-9H-thioxanthenium hexafluorophosphate ,can replace Omnicat 550 Omnicat BL 550 Omnirad 550 ; 550 ; C29H25OS.PF6,Longchang Chemical is a professional manufacturer and supplier of photoinitiator in China.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-551-cas-591773-90-9\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"China CHLUMINIT\u00ae 551 Cationic Photoinitiator Cas No 591773-90-9 - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"CHLUMINIT 551 is a cationic photoinitiator with high photoinitiator activity, good surface drying, no yellowing, no migration, and no odor. It has a certain absorption at 365\/385\/395nm and can be used for LED curing. Compared with the ITX structure in CAT-550, the DETX structure in CAT-551 is more environmentally friendly and has lower biological toxicity. It can be used in food packaging to replace Omnirad 550.,Chemical Name 10-(4-Biphenylyl)-2-isopropyl-9-oxo-9H-thioxanthenium hexafluorophosphate ,can replace Omnicat 550 Omnicat BL 550 Omnirad 550 ; 550 ; C29H25OS.PF6,Longchang Chemical is a professional manufacturer and supplier of photoinitiator in China.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-551-cas-591773-90-9\/\" \/>\n<meta property=\"og:site_name\" content=\"Longchang Chemical\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-16T02:16:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2024\/11\/Cationic-photoinitiator.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/longchangchemical.com\/product\/photoinitiator-551-cas-591773-90-9\/\",\"url\":\"https:\/\/longchangchemical.com\/product\/photoinitiator-551-cas-591773-90-9\/\",\"name\":\"China CHLUMINIT\u00ae 551 Cationic Photoinitiator Cas No 591773-90-9 - Longchang Chemical\",\"isPartOf\":{\"@id\":\"https:\/\/longchangchemical.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/longchangchemical.com\/product\/photoinitiator-551-cas-591773-90-9\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/longchangchemical.com\/product\/photoinitiator-551-cas-591773-90-9\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2024\/11\/Cationic-photoinitiator.jpg\",\"datePublished\":\"2024-11-11T06:01:31+00:00\",\"dateModified\":\"2025-12-16T02:16:23+00:00\",\"description\":\"CHLUMINIT 551 is a cationic photoinitiator with high photoinitiator activity, good surface drying, no yellowing, no migration, and no odor. It has a certain absorption at 365\/385\/395nm and can be used for LED curing. Compared with the ITX structure in CAT-550, the DETX structure in CAT-551 is more environmentally friendly and has lower biological toxicity. 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Il a une certaine absorption \u00e0 365\/385\/395nm et peut \u00eatre utilis\u00e9 pour le durcissement par LED. Compar\u00e9e \u00e0 la structure ITX du CAT-550, la structure DETX du CAT-551 est plus respectueuse de l'environnement et pr\u00e9sente une toxicit\u00e9 biologique plus faible. Il peut \u00eatre utilis\u00e9 dans les emballages alimentaires pour remplacer Omnirad 550,Nom chimique 10-(4-Biphenylyl)-2-isopropyl-9-oxo-9H-thioxanthenium hexafluorophosphate ,peut remplacer Omnicat 550 Omnicat BL 550 Omnirad 550 ; 550 ; C29H25OS.PF6,Longchang Chemical est un fabricant et fournisseur professionnel de photo-initiateur en Chine.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-551-cas-591773-90-9\/","og_locale":"fr_FR","og_type":"article","og_title":"China CHLUMINIT\u00ae 551 Cationic Photoinitiator Cas No 591773-90-9 - Longchang Chemical","og_description":"CHLUMINIT 551 is a cationic photoinitiator with high photoinitiator activity, good surface drying, no yellowing, no migration, and no odor. It has a certain absorption at 365\/385\/395nm and can be used for LED curing. Compared with the ITX structure in CAT-550, the DETX structure in CAT-551 is more environmentally friendly and has lower biological toxicity. It can be used in food packaging to replace Omnirad 550.,Chemical Name 10-(4-Biphenylyl)-2-isopropyl-9-oxo-9H-thioxanthenium hexafluorophosphate ,can replace Omnicat 550 Omnicat BL 550 Omnirad 550 ; 550 ; C29H25OS.PF6,Longchang Chemical is a professional manufacturer and supplier of photoinitiator in China.","og_url":"https:\/\/longchangchemical.com\/fr\/product\/photoinitiator-551-cas-591773-90-9\/","og_site_name":"Longchang Chemical","article_modified_time":"2025-12-16T02:16:23+00:00","og_image":[{"width":600,"height":600,"url":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2024\/11\/Cationic-photoinitiator.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/longchangchemical.com\/product\/photoinitiator-551-cas-591773-90-9\/","url":"https:\/\/longchangchemical.com\/product\/photoinitiator-551-cas-591773-90-9\/","name":"Chine CHLUMINIT\u00ae 551 Photoinitiateur cationique Cas No 591773-90-9 - Longchang Chemical","isPartOf":{"@id":"https:\/\/longchangchemical.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/longchangchemical.com\/product\/photoinitiator-551-cas-591773-90-9\/#primaryimage"},"image":{"@id":"https:\/\/longchangchemical.com\/product\/photoinitiator-551-cas-591773-90-9\/#primaryimage"},"thumbnailUrl":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2024\/11\/Cationic-photoinitiator.jpg","datePublished":"2024-11-11T06:01:31+00:00","dateModified":"2025-12-16T02:16:23+00:00","description":"CHLUMINIT 551 est un photo-initiateur cationique avec une activit\u00e9 photo-initiatrice \u00e9lev\u00e9e, un bon s\u00e9chage de surface, pas de jaunissement, pas de migration et pas d'odeur. Il a une certaine absorption \u00e0 365\/385\/395nm et peut \u00eatre utilis\u00e9 pour le durcissement par LED. Compar\u00e9e \u00e0 la structure ITX du CAT-550, la structure DETX du CAT-551 est plus respectueuse de l'environnement et pr\u00e9sente une toxicit\u00e9 biologique plus faible. 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