5-nitroisophthalic acid

Bayanan asali:

Gabatarwa: 5-nitroisophthalic acid abu ne mai mahimmanci na tsaka-tsakin tsaka-tsaki don abubuwan da ba daidai ba na ionic irin su iodohexyl barasa, iodoparol, iodoformol, da dai sauransu Har ila yau, kayan farawa ne don watsar da dyes 2, 6-dicyano-4-nitroaniline, wanda ke da aikace-aikace da dama da kuma tsammanin kasuwa..

Sunan sunadarai: 5-nitroisophthalic acid; 5-nitro-1, 3-phthalic acid

Lambar CAS: 618-88-2

Tsarin kwayoyin halitta: C8H5NO6

Nauyin Kwayoyin: 211.13

Lambar EINECS: 210-568-3

Tsarin tsari:

Rukunin da ke da alaƙa: albarkatun albarkatun halitta; Matsakaicin magunguna;

Aika mana imel

Cikakken Bayani

Tags samfurin

Physicochemical dukiya

Matsayin narkewa: 259-261 ° C (lit.)

Matsayin tafasa: 350.79°C

Maɗaukaki: 1.6342 (ƙididdigar ƙima)

Fihirisar magana: 1.5282 (ƙididdiga)

Wutar walƙiya: 120°C

Solubility: Mai narkewa a cikin barasa, ether da ruwan zafi

Properties: fari zuwa fari foda.

Matsin tururi: 0.0± 1.2 mmHg a 25 ° C

Fihirisar ƙayyadaddun bayanai

ƙayyadaddun bayanai	naúrar	misali
Bayyanar		Fari zuwa fari foda
Abun ciki	%	≥99%
Danshi	%	≤0.5

Aikace-aikacen samfur

Muhimmiyar tsaka-tsaki don tarwatsa rini. Har ila yau, shi ne matsakaicin maganin maganin cutar sabon ubiquitin (wakilin bambancin X-ray); Har ila yau, ana amfani da shi don haɗawa da wani labari na miyagun ƙwayoyi dangane da PDE IV mai hana glycolinic acid; Hakanan ana amfani dashi azaman tsaka-tsaki don tarwatsa rini ( rini na azo shuɗi).

samarwa

An saka sulfuric acid mai mahimmanci (104.3mL, 1.92mol) a cikin kwalabe uku, sa'an nan kuma an ƙara isophthalic acid (40g, 0.24mol), an motsa shi kuma mai tsanani zuwa 60 ℃, an gudanar da shi don 0.5h, kuma 60% nitric acid (37.8g, 0.36mol) an ƙara digo zuwa digo. Ƙara shi a cikin 2 hours. Bayan haka, yanayin kiyaye zafi a 60 ℃ na awanni 2. Yi sanyi zuwa ƙasa da 50 ° C, sannan ƙara 100ml na ruwa. An sanyaya kayan zuwa dakin zafin jiki, an zuba a cikin tacewa, an zubar da shi don cire acid din da aka zubar, an wanke kek ɗin da ruwa, an zubar da shi don sake sakewa, kuma samfurin ya kasance gram 34.6, yawan amfanin ƙasa shine 68.4%.