J acid (2-Amino-5-naphthol-7-sulfonic Acid) CAS 87-02-5 EINECS No.: 201-718-9 ti o dara ju oke 1 factory ni asuwon ti owo.
J acid Aṣoju Properties
| Awọn nkan | Awọn pato |
| Akoonu | ≥90% |
| Gamma Acid | ≤0.15% |
| Ailopin | ≤0.20% |
| Awọn nkan | Sipesifikesonu |
| Ifarahan | Grẹy si ina brown lulú |
| Akoonu (gbẹ) | ≥90.0% |
| Mimọ (HPLC) | ≥97.0% |
| Gamma Acid akoonu | ≤1.50% |
| Bis J Acid akoonu | ≤0.20% |
| Omi | ≤1.0% |
| 2-Nafitilamine | ≤100ppm |
Ti a lo lati ṣe lati β-naphthylamine.Nitori carcinogenicity ti o lagbara ti β-naphthylamine, ọna iṣelọpọ yii ti yọkuro, ati ni bayi 2-naphthylamine-1-sulfonic acid ni a lo bi ohun elo aise lati gbejade J acid.Lẹhin ti sulfonation ati hydrolysis, 2-naphthalic acid-5-dimethyl 7-disulfonate monosodium iyọ (amino J acid) ti gba, eyiti o jẹ didoju, ti a dapọ nipasẹ alkali ati acidified.J acid ni a gba nipasẹ sulfonation pẹlu fuming sulfuric acid, hydrolysis, gbigba, fifọ, ojutu alkali ati fifọ acidizing.Iyọ iṣu soda dissols ninu omi ati ki o fihan bulu fluorescence.O jẹ kikan pẹlu ojutu ferric trichloride lati dagba ojoriro-dudu dudu.
Ohun-ini kemikali
1. J acid àjọ-kikan pẹlu ferric kiloraidi ojutu lati dagba dudu brown precipitate;kalisiomu kiloraidi lati dagba yellowish brown precipitate;iyọ iṣuu soda tituka ninu omi ṣe afihan fifẹ bulu.
2. Yago fun ifasimu eruku lati ọja yii ki o yago fun olubasọrọ pẹlu oju ati awọ ara.
3. oloro.Awọn eku ni a fun ni ẹnu LD50:11500mg/kg.Awọn ohun elo aise ti majele tabi ipata lile gẹgẹbi 2-aminonaphthalene sulfonic acid, sulfuric acid ogidi fuming ati soda caustic ni a lo ninu iṣelọpọ.
Awọn ohun elo
Dye agbedemeji.O ti wa ni o kun lo lati mura taara alawọ ewe lotus R, taara sare blue FRL, taara sare eeru 2BL, taara Ejò iyo blue 2R, taara acid sooro eleyi ti, taara Pink, taara Ejò dye ọgagun, fast blue B2R, taara jujube GB, bi daradara. bi awọ pupa ti n ṣiṣẹ, osan, osan didan X-GN, grẹy, alawọ ewe koriko, brown pupa ati awọn awọ miiran.O ti wa ni tun lo lati mura ė J acid, Pupa acid ati phenyl J acid.
ipamọ ati iṣakojọpọ
Awọn alaye apoti: 25kg / apo
O yẹ ki o wa ni edidi ati aabo lati ina.Fipamọ sinu gbigbẹ, ile ti o mọ lati ṣe idiwọ ifihan si imọlẹ oorun ati ojo.Nigbati o ba gbe, ẹnu apoti (ilu) yẹ ki o wa ni oke lati yago fun jijo ọja naa.
Orukọ miiran: J acid; 2-amino-5-naphthol-7-sulfonic acid;6-amino-1-naphthol-3-sulfonic acid
