Phenolphthalein cas 77-09-8

Cas:77-09-8

Tsarin kwayoyin halitta:Saukewa: C20H14O4

Nauyin kwayoyin halitta:318.32

EINECS:201-004-7

Ma'ana:alpha, alpha.-Di (p-hydroxyphenyl) phthalide;1 (3H) -Isobenzofuranone, 3,3-bis (4-hydroxyphenyl);1 (3H) -Isobenzofuranone, 3,3-bis (4-hydroxyphenyl);2,2-bis (p-hydroxyphenyl) phthalide;3,3-bis (4-hydroxyphenyl) -1 (3h) - isobenzofuranon;alpha- (p-hydroxyphenyl) -alpha- (4-oxo-2,5-cyclohexadien-1-ylidine) -o-toluicacid;alpha-di- (p-hydroxyphenyl) phthalide

Bar Saƙonku

Cikakken Bayani

Zazzagewa

Tags samfurin

Menene Phenolphthalein cas 77-09-8?

Phenolphthalein wani rauni ne na kwayoyin halitta, wanda ya bayyana a matsayin farin ko dan kadan rawaya lafiya lu'ulu'u a zafin jiki.Ba shi da wari kuma mara daɗi.Yana da wuya a narke cikin ruwa amma a sauƙaƙe a cikin barasa (ethanol) da ether.An narkar da shi a cikin maganin barasa don yin alamar acid-tushe.Ba shi da launi a cikin maganin acidic kuma ja a cikin maganin alkali ko maganin carbonate karfe alkali.Duk da haka, idan yana cikin maganin alkali mai mahimmanci, zai samar da trimetallic acid mara launi.gishiri, launin ja yana dushewa

Ƙayyadaddun bayanai

Bayyanar	Fari ko haske rawaya crystalline foda
Abun ciki	98-102
Wurin narkewa	260-263 ℃
Chloride	≤0.01
Sulfate	≤0.02
Hankali	Cancanta
Ragowa akan kunnawa (a cikin sharuddan sulfate)	≤0.1
Asarar bushewa	≤1.0
Karfe mai nauyi	≤0.001
Jimlar adadin kwayoyin cutar aerobic	≤1000cfu/g
Jimlar adadin ƙura da yeasts	≤100cfu/g

Aikace-aikace

1. Pharmaceutical albarkatun kasa ga Pharmaceutical masana'antu: dace da al'ada da kuma m maƙarƙashiya, samuwa a cikin Allunan, suppositories da sauran sashi siffofin.

2. Phenolphthalein da aka yi amfani da shi a cikin kwayoyin halitta: galibi ana amfani da su don robobi na roba, musamman don haɓakar naphthyridine polyaryl ether ketone polyaryl ether ketone polymers.Irin wannan polymer yana da kyakkyawan juriya na zafi, juriya na ruwa, da juriya na sinadarai.Saboda juriya na lalata, juriya mai zafi da aiki mai kyau da tsari, zaruruwa, sutura da kayan hade da aka yi daga gare ta nan da nan ana amfani da su sosai a cikin kayan lantarki, kayan injin, sufuri, sararin samaniya, injiniyan makamashin atomic da filayen soja.

3. Phenolphthalein amfani da matsayin acid-tushe nuna alama, nuna alama ga titration na wadanda ba ruwaye mafita, da kuma reagent ga chromatographic bincike.