{"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\/pt\/product\/phenolphthalein-cas-77-09-8\/","title":{"rendered":"Fenolftale\u00edna CAS 77-09-8"},"content":{"rendered":"

Fenolftale\u00edna 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
Item<\/strong><\/td>\nEspecifica\u00e7\u00f5es<\/strong><\/td>\n<\/tr>\n
Caracter\u00edsticas<\/td>\nUm p\u00f3 branco ou quase branco, praticamente insol\u00favel em \u00e1gua, sol\u00favel em \u00e1lcool.<\/td>\n<\/tr>\n
Ponto de fus\u00e3o<\/td>\nEle derrete a cerca de 260 \u2103<\/td>\n<\/tr>\n
Identifica\u00e7\u00e3o<\/td>\nA\uff1aPositivo B\uff1aPositivo<\/td>\n<\/tr>\n
Apar\u00eancia da solu\u00e7\u00e3o<\/td>\nA solu\u00e7\u00e3o \u00e9 l\u00edmpida e n\u00e3o apresenta colora\u00e7\u00e3o mais intensa do que a solu\u00e7\u00e3o de refer\u00eancia Y7<\/td>\n<\/tr>\n
Subst\u00e2ncias relacionadas<\/td>\nMenos de 0,5%<\/td>\n<\/tr>\n
Metais pesados<\/td>\nN\u00e3o superior a 0,001%<\/td>\n<\/tr>\n
Acidez ou alcalinidade<\/td>\nEm conformidade<\/td>\n<\/tr>\n
Cloretos<\/td>\nN\u00e3o mais que 0,01%<\/td>\n<\/tr>\n
Sulfatos<\/td>\nN\u00e3o mais que 0,02%<\/td>\n<\/tr>\n
Perda na secagem<\/td>\nN\u00e3o mais que 0,5%<\/td>\n<\/tr>\n
Cinzas sulfatadas<\/td>\nN\u00e3o mais que 0,1%<\/td>\n<\/tr>\n
Ensaio<\/td>\n98.0%-101.0%(C2<\/sub>OHi4<\/sub>O4<\/sub>)<\/td>\n<\/tr>\n
Microorganismos<\/td>\nTPC<1000cfu\/g<\/td>\n<\/tr>\n
Y e M <100cfu\/g<\/td>\n<\/tr>\n
E-coli - ausente<\/td>\n<\/tr>\n
Staphylococcus Aureus - Ausente<\/td>\n<\/tr>\n
Pseudomonas Aeruginosa - Ausente<\/td>\n<\/tr>\n
Albicans Saccharomyces-Absent<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Uso da fenolftale\u00edna<\/strong><\/h2>\n

1. A fenolftale\u00edna \u00e9 um \u00e1cido org\u00e2nico fraco. Apresenta cristais finos brancos ou ligeiramente amarelados em temperatura ambiente. \u00c9 inodoro e ins\u00edpido. \u00c9 pouco sol\u00favel em \u00e1gua, mas facilmente sol\u00favel em \u00e1lcool (etanol) e \u00e9ter. Dissolvido em solu\u00e7\u00e3o alco\u00f3lica para fazer indicador \u00e1cido-base, \u00e9 incolor em solu\u00e7\u00e3o \u00e1cida, vermelho em solu\u00e7\u00e3o de soda c\u00e1ustica ou solu\u00e7\u00e3o de carbonato de metal alcalino, mas se estiver em solu\u00e7\u00e3o alcalina concentrada, gerar\u00e1 trimetal incolor. Devido a essa caracter\u00edstica, ele \u00e9 frequentemente usado como um indicador de titula\u00e7\u00e3o \u00e1cido-base em laborat\u00f3rios. A faixa de cores do valor de PH \u00e9 de 8,2~10,0, de incolor a vermelho. Quando o reagente de fenolftale\u00edna \u00e9 pingado na \u00e1gua ou em uma solu\u00e7\u00e3o aquosa neutra e \u00e1cida, aparece uma turbidez branca. Isso ocorre porque o \u00e1lcool \u00e9 facilmente sol\u00favel em \u00e1gua e a fenolftale\u00edna, que \u00e9 pouco sol\u00favel em \u00e1gua, precipita no reagente.<\/p>\n

2. Ingredientes farmac\u00eauticos: A fenolftale\u00edna \u00e9 usada como laxante farmac\u00eautico leve para constipa\u00e7\u00e3o habitual e persistente. Est\u00e1 dispon\u00edvel em comprimidos, suposit\u00f3rios e outras formas de dosagem, principalmente no c\u00f3lon, por meio da decomposi\u00e7\u00e3o do corpo para formar sais de s\u00f3dio sol\u00faveis, estimular o plexo nervoso na parede intestinal, de modo que o peristaltismo aumente e promova a defeca\u00e7\u00e3o.
\n3. S\u00edntese org\u00e2nica: A fenolftale\u00edna tamb\u00e9m \u00e9 usada na s\u00edntese de pl\u00e1sticos, especialmente na s\u00edntese de pol\u00edmeros de cetona de poliaril\u00e9ter poliaril\u00e9ter cetona de diazanafetona. Esses pol\u00edmeros t\u00eam boa resist\u00eancia ao calor, resist\u00eancia \u00e0 \u00e1gua, resist\u00eancia qu\u00edmica, resist\u00eancia ao envelhecimento por calor e processamento e modelagem, feitos de fibras, revestimentos e compostos, e s\u00e3o amplamente utilizados em aparelhos el\u00e9tricos e eletr\u00f4nicos, m\u00e1quinas e equipamentos, transporte, aeroespacial, engenharia de energia at\u00f4mica, militar e outros campos.<\/p>\n

4. An\u00e1lise qu\u00edmica: A fenolftale\u00edna pode ser usada como um end\u00f3crino para a determina\u00e7\u00e3o local da acidez principal e detec\u00e7\u00e3o de \u00edons de magn\u00e9sio. A fenolftale\u00edna, como endocrinador, pode indicar a concentra\u00e7\u00e3o do \u00e1cido chin\u00eas. Na detec\u00e7\u00e3o de \u00edons de magn\u00e9sio, a fenolftale\u00edna pode indicar a presen\u00e7a e a concentra\u00e7\u00e3o de \u00edons de magn\u00e9sio.<\/p>\n

5. Trilhas bioqu\u00edmicas: A fenolftale\u00edna pode ser usada como um identificador para alguns testes bioqu\u00edmicos para detectar a presen\u00e7a ou aus\u00eancia de caracter\u00edsticas, por exemplo, detec\u00e7\u00e3o da presen\u00e7a de rea\u00e7\u00f5es enzim\u00e1ticas e atividade metab\u00f3lica.<\/p>\n

6. Produtos farmac\u00eauticos e pigmentos: A fenolftale\u00edna pode ser preparada como um composto sint\u00e9tico para alguns pigmentos e produtos organofarmac\u00eauticos. Ela pode ser usada como uma prepara\u00e7\u00e3o para dar cores diferentes a rolos e outros materiais.<\/p>\n

Fenolftale\u00ednaEmbalagem e envio<\/strong><\/h2>\n

Tambor de fibra, 25 kg<\/p>\n

 <\/p>\n

Armazenamento de fenolftale\u00edna<\/strong><\/h2>\n

Armazene em um local fresco e seco.<\/p>\n

 <\/p>\n

Entre em contato conosco agora!<\/b><\/strong><\/h2>\n

Se precisar de COA, MSDS ou TDS, preencha suas informa\u00e7\u00f5es de contato no formul\u00e1rio abaixo. Normalmente, entraremos em contato em 24 horas. Voc\u00ea tamb\u00e9m pode me enviar um e-mail info@longchangchemical.com<\/a><\/span> durante o hor\u00e1rio comercial (das 8h30 \u00e0s 18h UTC+8 de segunda a s\u00e1bado) ou use o bate-papo ao vivo do site para obter uma resposta imediata.<\/b><\/strong><\/h4>","protected":false},"excerpt":{"rendered":"

Nome qu\u00edmico: Fenolftale\u00edna<\/h4>\n

N\u00famero CAS: 77-09-8<\/h4>\n

F\u00f3rmula molecular: C20H14O4<\/h4>\n

Estrutura qu\u00edmica:\"Estrutura<\/h4>\n

Peso molecular: 318,32<\/h4>\n

Apar\u00eancia: Um p\u00f3 branco, praticamente insol\u00favel em \u00e1gua, sol\u00favel em \u00e1lcool.<\/h4>\n

Ensaio: 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\/pt\/product\/phenolphthalein-cas-77-09-8\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"China Phenolphthalein manufacturer - 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