J acid (2-Amino-5-naphthol-7-sulfonic Acid) CAS 87-02-5 EINECS No.: 201-718-9 mafi kyawun saman 1 masana'anta mafi ƙarancin farashi
J acid Abubuwan Haƙiƙa
| Abubuwa | Ƙayyadaddun bayanai |
| Abun ciki | ≥90% |
| Gamma acid | ≤0.15% |
| Mara narkewa | ≤0.20% |
| Abubuwa | Ƙayyadaddun bayanai |
| Bayyanar | Grey zuwa haske launin ruwan kasa foda |
| Abun ciki (bushe) | ≥90.0% |
| Tsaftace (HPLC) | ≥97.0% |
| Gamma acid abun ciki | ≤1.50% |
| Bis J Acid abun ciki | ≤0.20% |
| Ruwa | ≤1.0% |
| 2-Naphthylamine | ≤100ppm |
An yi amfani da shi daga β-naphthylamine.Saboda karfin carcinogenicity na β-naphthylamine, an kawar da wannan hanyar samarwa, kuma yanzu ana amfani da 2-naphthylamine-1-sulfonic acid azaman albarkatun kasa don samar da J acid.Bayan sulfonation da hydrolysis, 2-naphthalic acid-5-dimethyl 7-disulfonate monosodium gishiri (amino J acid) aka samu, wanda aka neutralized, fused da alkali da acidified.An samo J acid ta hanyar sulfonation tare da fuming sulfuric acid, hydrolysis, sha, wankewa, maganin alkali da wanke acidizing.Gishirin sodium yana narkewa cikin ruwa kuma yana nuna shuɗi mai haske.An haɗe shi tare da maganin ferric trichloride don samar da hazo mai launin ruwan kasa-baƙi.
Chemical dukiya
1. J acid co-mai tsanani tare da ferric chloride bayani don samar da duhu launin ruwan kasa hazo;alli chloride don samar da hazo mai launin ruwan rawaya;gishiri gishiri mai tushe da aka narkar da cikin ruwa ya nuna shudi mai haske.
2. Ka guji shakar ƙura daga wannan samfurin kuma ka guji haɗuwa da idanu da fata.
3. guba.An bai wa berayen baki LD50:11500mg/kg.Ana amfani da albarkatun ƙasa mai guba ko mai ƙarfi mai ƙarfi kamar 2-aminonaphthalene sulfonic acid, sulfuric acid mai daɗaɗɗen fuming da soda caustic ana amfani dashi wajen samarwa.
Aikace-aikace
Rini tsaka-tsaki.An yafi amfani dashi don shirya madaidaicin lotus R, kai tsaye mai saurin shuɗi FRL, ash 2BL kai tsaye, gishiri jan ƙarfe kai tsaye blue 2R, kai tsaye acid resistant purple, kai tsaye ruwan hoda, kai tsaye jan ƙarfe rini na ruwa, sauri blue B2R, kai tsaye jujube GB, kazalika. kamar ruwan ja mai amsawa, lemu, m orange X-GN, launin toka, koren ciyawa, ja ruwan kasa da sauran rini.Hakanan ana amfani da shi don shirya acid na biyu na J, scarlet acid da phenyl J acid.
ajiya da shiryawa
Cikakkun bayanai: 25kg/bag
Ya kamata a rufe shi kuma a kiyaye shi daga haske.Ajiye a cikin busasshiyar gida mai tsabta don hana fallasa hasken rana da ruwan sama.Lokacin da aka sanya shi, bakin akwatin (drum) ya kamata ya kasance sama don guje wa zubar da samfur.
wasu suna: J acid; 2-amino-5-naphthol-7-sulfonic acid;6-amino-1-naphthol-3-sulfonic acid
