{"id":3648,"date":"2021-10-09T13:36:05","date_gmt":"2021-10-09T13:36:05","guid":{"rendered":"https:\/\/longchangchemical.com\/?post_type=product&p=3648"},"modified":"2026-05-08T02:59:40","modified_gmt":"2026-05-08T02:59:40","slug":"phenolphthalein-cas-77-09-8","status":"publish","type":"product","link":"https:\/\/longchangchemical.com\/fr\/product\/phenolphthalein-cas-77-09-8\/","title":{"rendered":"Ph\u00e9nolphtal\u00e9ine CAS 77-09-8"},"content":{"rendered":"

Ph\u00e9nolphtal\u00e9ine CAS 77-09-8<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Objet<\/strong><\/td>\nSp\u00e9cifications<\/strong><\/td>\n<\/tr>\n
Caract\u00e9ristiques<\/td>\nPoudre blanche ou presque blanche, pratiquement insoluble dans l'eau, soluble dans l'alcool.<\/td>\n<\/tr>\n
Point de fusion<\/td>\nIl fond \u00e0 environ 260\u2103<\/td>\n<\/tr>\n
Identification<\/td>\nA\uff1aPositive B\uff1aPositive<\/td>\n<\/tr>\n
Aspect de la solution<\/td>\nLa solution est claire et sa couleur n'est pas plus intense que celle de la solution de r\u00e9f\u00e9rence Y7.<\/td>\n<\/tr>\n
Substances apparent\u00e9es<\/td>\nMoins de 0,5%<\/td>\n<\/tr>\n
M\u00e9taux lourds<\/td>\nPas plus de0,001%<\/td>\n<\/tr>\n
Acidit\u00e9 ou alcalinit\u00e9<\/td>\nConforme<\/td>\n<\/tr>\n
Chlorures<\/td>\nPas plus de 0,01%<\/td>\n<\/tr>\n
Sulfates<\/td>\nPas plus de 0,02%<\/td>\n<\/tr>\n
Perte au s\u00e9chage<\/td>\nPas plus de 0,5%<\/td>\n<\/tr>\n
Cendres sulfat\u00e9es<\/td>\nPas plus de 0,1%<\/td>\n<\/tr>\n
Essai<\/td>\n98.0%-101.0%(C2<\/sub>OHi4<\/sub>O4<\/sub>)<\/td>\n<\/tr>\n
Micro-organisme<\/td>\nTPC<1000cfu\/g<\/td>\n<\/tr>\n
Y et M <100cfu\/g<\/td>\n<\/tr>\n
E-coli - absent<\/td>\n<\/tr>\n
Staphylococcus Aureus - Absent<\/td>\n<\/tr>\n
Pseudomonas Aeruginosa - Absent<\/td>\n<\/tr>\n
Albicans Saccharomyces-Absent<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Utilisation de la ph\u00e9nolphtal\u00e9ine<\/strong><\/h2>\n

1. La ph\u00e9nolphtal\u00e9ine est un acide organique faible. Elle se pr\u00e9sente sous la forme de fins cristaux blancs ou l\u00e9g\u00e8rement jaun\u00e2tres \u00e0 temp\u00e9rature ambiante. Elle est inodore et insipide. Elle est difficilement soluble dans l'eau mais facilement soluble dans l'alcool (\u00e9thanol) et l'\u00e9ther. Dissous dans une solution d'alcool pour fabriquer un indicateur acido-basique, il est incolore dans une solution acide, rouge dans une solution de lessive ou de carbonate de m\u00e9tal alcalin, mais s'il se trouve dans une solution alcaline concentr\u00e9e, il g\u00e9n\u00e8re du sel trim\u00e9tal incolore, le rouge s'estompe. Compte tenu de cette caract\u00e9ristique, il est souvent utilis\u00e9 comme indicateur de titrage acido-basique dans les laboratoires. La gamme de couleurs du PH est de 8,2\uff5e10,0, allant de l'incolore au rouge. Lorsque le r\u00e9actif de ph\u00e9nolphtal\u00e9ine est vers\u00e9 dans l'eau ou dans une solution aqueuse neutre ou acide, une turbidit\u00e9 blanche appara\u00eet. En effet, l'alcool est facilement soluble dans l'eau et la ph\u00e9nolphtal\u00e9ine, qui est difficilement soluble dans l'eau, pr\u00e9cipite dans le r\u00e9actif.<\/p>\n

2. Ingr\u00e9dients pharmaceutiques : La ph\u00e9nolphtal\u00e9ine est utilis\u00e9e comme laxatif l\u00e9ger pharmaceutique pour la constipation habituelle et persistante. Elle est disponible sous forme de comprim\u00e9s, de suppositoires et d'autres formes de dosage, principalement dans le c\u00f4lon, par la d\u00e9composition du corps pour former des sels de sodium solubles, stimuler le plexus nerveux dans la paroi intestinale, de sorte que le p\u00e9ristaltisme augmente et favorise la d\u00e9f\u00e9cation.
\n3. Synth\u00e8se organique : La ph\u00e9nolphtal\u00e9ine est \u00e9galement utilis\u00e9e dans la synth\u00e8se des mati\u00e8res plastiques, en particulier la synth\u00e8se des polym\u00e8res de diazanaphtone polyaryl\u00e9ther c\u00e9tone polyaryl\u00e9ther c\u00e9tone. Ces polym\u00e8res ont une bonne r\u00e9sistance \u00e0 la chaleur, \u00e0 l'eau, aux produits chimiques, au vieillissement thermique et au traitement et \u00e0 la mise en forme, ils sont constitu\u00e9s de fibres, de rev\u00eatements et de composites largement utilis\u00e9s dans les appareils \u00e9lectriques et \u00e9lectroniques, les machines et \u00e9quipements, les transports, l'a\u00e9rospatiale, l'ing\u00e9nierie de l'\u00e9nergie atomique, l'arm\u00e9e et d'autres domaines.<\/p>\n

4. Analyse chimique : La ph\u00e9nolphtal\u00e9ine peut \u00eatre utilis\u00e9e comme endocrinateur pour la d\u00e9termination colocale de l'acidit\u00e9 cl\u00e9 et la d\u00e9tection des ions magn\u00e9sium. La ph\u00e9nolphtal\u00e9ine, en tant qu'endocrinateur, peut indiquer la concentration de l'acide chinois. Dans la d\u00e9tection des ions magn\u00e9sium, la ph\u00e9nolphtal\u00e9ine peut indiquer la pr\u00e9sence et la concentration des ions magn\u00e9sium.<\/p>\n

5. Traces biochimiques : La ph\u00e9nolphtal\u00e9ine peut \u00eatre utilis\u00e9e comme identificateur pour certains tests biochimiques visant \u00e0 d\u00e9tecter la pr\u00e9sence ou l'absence de caract\u00e8res, par exemple la d\u00e9tection de la pr\u00e9sence de r\u00e9actions enzymatiques et de l'activit\u00e9 m\u00e9tabolique.<\/p>\n

6. Produits pharmaceutiques et pigments : La ph\u00e9nolphtal\u00e9ine peut \u00eatre pr\u00e9par\u00e9e comme compos\u00e9 synth\u00e9tique pour certains produits organopharmaceutiques et pigments. Elle peut \u00eatre utilis\u00e9e comme pr\u00e9paration pour donner diff\u00e9rentes couleurs aux rouleaux et \u00e0 d'autres mat\u00e9riaux.<\/p>\n

Ph\u00e9nolphtal\u00e9ineEmballage et exp\u00e9dition<\/strong><\/h2>\n

Tambour en fibre, 25kg<\/p>\n

 <\/p>\n

Stockage de ph\u00e9nolphtal\u00e9ine<\/strong><\/h2>\n

Conserver dans un endroit frais et sec.<\/p>\n

 <\/p>\n

Contactez-nous d\u00e8s maintenant !<\/b><\/strong><\/h2>\n

Si vous avez besoin de COA, MSDS ou TDS, veuillez remplir 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 info@longchangchemical.com<\/a><\/span> pendant 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>","protected":false},"excerpt":{"rendered":"

Nom chimique : Ph\u00e9nolphtal\u00e9ine<\/h4>\n

Num\u00e9ro CAS : 77-09-8<\/h4>\n

Formule mol\u00e9culaire : C20H14O4<\/h4>\n

Structure chimique :\"Structure<\/h4>\n

Poids mol\u00e9culaire : 318,32<\/h4>\n

Aspect : Poudre blanche, pratiquement insoluble dans l'eau, soluble dans l'alcool.<\/h4>\n

Dosage : 98.0%-101.0%(C2OHi4O4)<\/h4>","protected":false},"featured_media":4377,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[69],"product_tag":[],"class_list":{"0":"post-3648","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-catalysts-chemical-auxiliary-agents","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"\nChina Phenolphthalein manufacturer - Longchang Chemical Co., Ltd.<\/title>\n<meta name=\"description\" content=\"China Phenolphthalein cas 77-09-8 manufacturer and suplier.\" \/>\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\/phenolphthalein-cas-77-09-8\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"China Phenolphthalein manufacturer - 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