Basic Violet 5BN

CI Basic Violet 3, Crystal Violet / Gentian Violet

CAS: 548-62-9; EINECS: 208-953-6; IB No.: 42555

1. Cov ntaub ntawv yooj yim & qauv

- Cov mis mos molecular: C₂₅H₃₀ClN₃; Molecular Luj: 407.98

- Chemical class: Triarylmethane cationic Basic dye

- Cov tsos: Tsaus ntsuab, nws yog xim hlau luster hmoov / Crystals; Aqueous / ethanol daws teeb pom kev ci ntsa iab

2. Cov khoom tseem ceeb ntawm lub cev & tshuaj lom neeg

- Solubility: Soluble hauv dej txias / kub, soluble hauv ethanol & chloroform; insoluble hauv ether. Aqueous λmax ≈ 590 nm

- Melting point: 205℃(decomposes)

- pH cwj pwm: Aqueous tov ntshav (pH 4–7); reacts nrog NaOH ua reddish -xim av precipitate

- Lub teeb nrawm: Nruab Nrab (ISO 2–3); ntub ceev ceev (ntxuav / hws) tsis zoo, yuav tsum tau kho cov neeg sawv cev

3. Cov ntawv thov tseem ceeb

1. Textile: Dyeing silk, wool, hloov acrylics, tawv, ntawv; feem ntau blended rau ntxoov ntxoo & ceev txhim kho

2. Biomedicine: Gentian violet (antiseptic); Gram stain reagent rau kev txheeb xyuas cov kab mob

3. Muaj: Inks, carbon ntawv, pas dej pigments, ntoo staining, qhia kev daws teeb meem

4. Toxicity & Kev nyab xeeb

- Mob qhov ncauj LD₅₀ (rat): ~420 mg/kg; irritant rau qhov muag / tawv nqaij; zam kev nqus / nqus tau

- Kev kho dej khib nyiab: Cov pa roj carbon activated adsorption zoo; ua raws li cov qauv kev tso tawm ib puag ncig hauv zos

- Kev tuav: Hnav tshuaj lom neeg- hnab looj tes tiv thaiv, tsom iav, plua plav npog; khaws cia rau hauv qhov txias, qhuav, zoo- qhov chaw cua, kom deb ntawm cov kua qaub/alkalis

5. Cov ntawv sau ua lag luam

- Synonyms: Crystal Violet, Methyl Violet 10B, Gentian Violet, Hexamethylpararosaniline chloride

- Ntim: 25 kg fiber ntau nruas; purity raug ntau dua lossis sib npaug li 98% (kev lag luam), Ntau dua lossis sib npaug rau 99.5% (qib tshuaj)

- Xim code piav qhia: 5BN=5 (qhov tob), B (xiav tint), N (nruab nrab ntxoov ntxoo)

Cim npe nrov: Basic violet 5bn, Tuam Tshoj yooj yim violet 5bn manufacturers, lwm tus neeg, Hoobkas