5-nitroisophthalic acid
Bayanan asali:
Gabatarwa: 5-nitroisophthalic acid abu ne mai mahimmanci na tsaka-tsaki don abubuwan da ba su da bambanci kamar su iodohexyl barasa, iodoparol, iodoformol, da dai sauransu Har ila yau, kayan farawa ne don watsar da dyes 2, 6-dicyano-4-nitroaniline, wanda yana da aikace-aikace da yawa 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;
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
| ƙayyadaddun bayanai | naúrar | misali |
| Bayyanar | Fari zuwa fari foda | |
| Abun ciki | % | ≥99% |
| Danshi | % | ≤0.5 |
Muhimmiyar tsaka-tsaki don tarwatsa rini. Har ila yau, tsaka-tsakin magungunan 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).
Sulfuric acid (104.3mL, 1.92mol) an sanya shi cikin kwalabe uku, sa'an nan kuma an ƙara isophthalic acid (40g, 0.24mol), a zuga kuma mai tsanani zuwa 60 ℃, ana gudanar da shi don 0.5h, da 60% nitric acid (37.8g, 0.36). mol) an ƙara don sarrafa digiri na hanzarin droplet. 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 fari ya kasance gram 34.6, yawan amfanin ƙasa shine 68.4%.
25kg/ 3-in-1 takarda-roba hade jakar, ko saƙa jakar, ko 25kg / kwali guga (φ410 × 480mm); Marufi bisa ga bukatun abokin ciniki;
Ajiye a cikin akwati marar iska a wuri mai sanyi, busasshe, da iska mai kyau nesa da wuta da abubuwan konewa.
![methyl 2,2-difluorobenzo [d] [1,3] dioxole-5-carboxylate CAS: 773873-95-3](https://cdn.globalso.com/nvchem/carboxylate1-300x300.png)
