{"id":4096,"date":"2021-04-16T01:09:16","date_gmt":"2021-04-16T01:09:16","guid":{"rendered":"https:\/\/longchangchemical.com\/?post_type=product&p=4096"},"modified":"2026-05-08T02:59:34","modified_gmt":"2026-05-08T02:59:34","slug":"bromocresol-purple-cas-115-40-2","status":"publish","type":"product","link":"https:\/\/longchangchemical.com\/fr\/product\/bromocresol-purple-cas-115-40-2\/","title":{"rendered":"Bromocr\u00e9sol pourpre CAS 115-40-2"},"content":{"rendered":"

Bromocr\u00e9sol pourpre CAS 115-40-2<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

Objet<\/h4>\n<\/td>\n

\n

Standard<\/h4>\n<\/td>\n<\/tr>\n

\n

La longueur d'onde d'absorption maximale : \u03bb1<\/sub>\uff08PH 35.2\uff09nm<\/h4>\n<\/td>\n

\n

427~431<\/h4>\n<\/td>\n<\/tr>\n

\n

La longueur d'onde d'absorption maximale : \u03bb2<\/sub>(PH 56.8) nm<\/h4>\n<\/td>\n

\n

588~590<\/h4>\n<\/td>\n<\/tr>\n

\n

Coefficient d'absorption de masse\uff08L\/cm\u3002g\uff09\u03b11<\/sub>(\u03bb1<\/sub>PH 5.2, \u00e9chantillon sec)<\/h4>\n<\/td>\n

\n

40.5~45.0<\/h4>\n<\/td>\n<\/tr>\n

\n

Coefficient d'absorption de masse\uff08L\/cm\u3002g\uff09\u03b12<\/sub>\uff08\u03bb2<\/sub>PH 56.8,\u00e9chantillon sec\uff09<\/h4>\n<\/td>\n

\n

100.0~110.0<\/h4>\n<\/td>\n<\/tr>\n

\n

PH Domaine de d\u00e9coloration<\/h4>\n<\/td>\n

\n

5.2\uff08yellow\uff09~6.8\uff08purple\uff09<\/h4>\n<\/td>\n<\/tr>\n

\n

Essai de dissolution de l'alcali dilu\u00e9<\/h4>\n<\/td>\n

\n

Conforme<\/h4>\n<\/td>\n<\/tr>\n

\n

R\u00e9sidus d'ignition (sulfate)<\/h4>\n<\/td>\n

\n

0.1<\/h4>\n<\/td>\n<\/tr>\n

\n

Perte au s\u00e9chage<\/h4>\n<\/td>\n

\n

0.5<\/h4>\n<\/td>\n<\/tr>\n

\n

Apparence<\/h4>\n<\/td>\n

\n

Conforme<\/h4>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Utilisation du pourpre de bromocr\u00e9sol<\/strong><\/h2>\n

1. Le pourpre de bromocr\u00e9sol peut \u00eatre utilis\u00e9 comme indicateur pour l'analyse acido-basique, l'analyse chromatographique et le titrage en milieu non aqueux.<\/h4>\n

2. Plage de pH du pourpre de bromocr\u00e9sol : 5,2 (jaune)-6,8 (violet).<\/h4>\n

3. Le pourpre de bromocr\u00e9sol peut \u00eatre utilis\u00e9 comme indicateur d'adsorption et comme \u00e9talon interne pour la chromatographie des acides amin\u00e9s.<\/h4>\n

4. Le pourpre de bromocr\u00e9sol peut \u00eatre utilis\u00e9 pour le titrage au sel d'argent du thiocyanate et la m\u00e9thode spectrophotom\u00e9trique pour pr\u00e9cipiter les prot\u00e9ines s\u00e9riques.<\/h4>\n

 <\/p>\n

Pourpre de bromocr\u00e9sol Emballage et exp\u00e9dition<\/strong><\/h2>\n

Emballage : 25kg\/tambour<\/h4>\n

Livraison : par express, par mer, par air<\/h4>\n

 <\/p>\n

Bromocr\u00e9sol Stockage de la pourpre<\/strong><\/h2>\n

Stock\u00e9 dans un entrep\u00f4t frais et ventil\u00e9.<\/h4>\n

 <\/p>\n

Produits de la m\u00eame s\u00e9rie<\/strong><\/h2>\n\n\n\n\n
\n

Bromocr\u00e9sol violet<\/h4>\n<\/td>\n

\n

115-40-2<\/h4>\n<\/td>\n<\/tr>\n

\n

Vert de bromocr\u00e9sol<\/span><\/a><\/h4>\n<\/td>\n

\n

76-60-8<\/h4>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/h2>\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>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

Nom chimique:Pourpre de bromocr\u00e9sol<\/h4>\n

Num\u00e9ro CAS : 115-40-2<\/h4>\n

Formule mol\u00e9culaire : C21H16Br2O5S<\/h4>\n

Poids mol\u00e9culaire : 540,22<\/h4>\n

Structure mol\u00e9culaire :\"Structure<\/h4>\n

Aspect:Cristaux fins l\u00e9g\u00e8rement jaunes<\/h4>","protected":false},"featured_media":4500,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[69],"product_tag":[],"class_list":{"0":"post-4096","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 top Bromocresol purple manufacturer - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Longchang Chemical is a manufacturer and supplier of Bromocresol purple CAS 115-40-2 . 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