J acid ( 2-Amino-5-naphthol-7-sulfonic Acid ) CAS 87-02-5 EINECS No.: 201-718-9 molemo ka ho fetisisa top 1 fektheri theko e tlaase ka ho fetisisa
J acid Matlotlo a Tloaelehileng
| Lintho | Litlhaloso |
| Litaba | ≥90% |
| Asiti ea Gamma | ≤0.15% |
| E sa qhibidihang | ≤0.20% |
| Lintho | Tlhaloso |
| Ponahalo | Phofo e boputsoa ho isa bosootho bo bobebe |
| Litaba (tse omileng) | ≥90.0% |
| Purity (HPLC) | ≥97.0% |
| Likahare tsa Gamma Acid | ≤1.50% |
| Likahare tsa Bis J Acid | ≤0.20% |
| Metsi | ≤1.0% |
| 2 - Naphthylamine | ≤100ppm |
E ne e entsoe ka β-naphthylamine.Ka lebaka la carcinogenicity e matla ea β-naphthylamine, mokhoa ona oa tlhahiso o felisitsoe, 'me hona joale 2-naphthylamine-1-sulfonic acid e sebelisoa e le lisebelisoa tse tala ho hlahisa J acid.Ka mor'a sulfonation le hydrolysis, 2-naphthalic acid-5-dimethyl 7-disulfonate monosodium letsoai (amino J acid) e ile ea fumanoa, eo ka nako eo e neng e sa nke lehlakore, e kopantsoe ke alkali le acidified.Asiti ea J e ile ea fumanoa ka sulfonation ka fuming sulfuric acid, hydrolysis, absorption, ho hlatsoa, tharollo ea alkali le ho hlatsoa acidizing.Letsoai la sodium le qhibiliha ka metsing 'me le bontša fluorescence e putsoa.E futhumatsoa ka motsoako oa ferric trichloride ho etsa pula e sootho-botšo.
Thepa ea lik'hemik'hale
1. Asiti ea J e cheselitsoeng ka ferric chloride ho etsa precipitate e sootho;k'halsiamo chloride ho etsa moholi o mosehla o sootho;letsoai la sodium le qhibilihang ka metsing le ne le bontša fluorescence e putsoa.
2. Qoba ho hema lerōle le tsoang sehlahisoa sena 'me u qobe ho kopana le mahlo le letlalo.
3. chefo.Likhoto li ile tsa fuoa molomo LD50:11500mg/kg.Lintho tse tala tse chefo kapa tse senyang haholo joalo ka 2-aminonaphthalene sulfonic acid, fuming concentrated sulfuric acid le caustic soda li sebelisoa tlhahisong.
Lisebelisoa
Lijo tse bohareng.E sebelisoa haholo-holo ho lokisetsa lotus e tala e tobileng, e tobileng ka potlako e putsoa FRL, molora o potlakileng oa 2BL, letsoai le tobileng la koporo e putsoa 2R, pherese e tobileng ea acid e manganga, pinki e tobileng, dae ea koporo e tobileng, B2R e potlakileng, jujube GB, hammoho le joalo ka sekareleta se sebetsang, lamunu, lamunu le khanyang X-GN, bohlooho, joang bo botala, bo bofubelu bo sootho le lidae tse ling.E boetse e sebelisoa ho lokisa acid e habeli ea J, scarlet acid le phenyl J acid.
polokelo le ho paka
Lintlha tsa ho paka: 25kg / mokotla
E lokela ho koaloa le ho sireletsoa khanyeng.Boloka ka tlung e omeletseng, e hloekileng ho thibela khanya ea letsatsi le pula.Ha e behiloe, molomo oa lebokose (moropa) o lokela ho ba holimo ho qoba ho tsoa ha sehlahisoa.
mabitso a mang: J acid;2-amino-5-naphthol-7-sulfonic acid;6-amino-1-naphthol-3-sulfonic acid
