Cresol Liab CAS: 1733-12-6
| Catalog Number | xwm 90482 |
| Khoom npe | Cresol Liab |
| CAS | 1733-12-6 |
| Molecular Formula | C21H18O5S |
| Molecular Luj | 382.43 ib |
| Cov ntaub ntawv khaws cia | Ambient |
| Harmonized tariff Code | 293499 0 |
Khoom Specification
| Poob rau ziab | (Max) 3.00% |
| Qhov tshwm sim | Tsaus Liab Hmoov |
| Assay | 99% |
| Solubility ntawm 0.1% (95% Ethanol) | Clear Yellow Solution |
| Kev hloov pauv pH - Hloov xim | pH 6.5 (daj) - pH 8.8 (Purple) |
| Wavelength ntawm qhov nqus siab tshaj plaws (pH6.5) λmax1 | 432.0-436.0 nm |
| Kev nqus tshwj xeeb (E1% / 1cm) ntawm λ max1 | (Muaj.) 490 |
| Wavelenght ntawm qhov nqus siab tshaj plaws (pH 8.8) λ max2 | 571.0-574.0 nm |
| Kev nqus tshwj xeeb (E1% / 1cm) ntawm λ max2 | (Min.) 1000 |
Chemical zog: muaju nrog ntsuab luster, reddish-xim av hmoov tom qab sib tsoo.Soluble hauv cawv thiab dilute sodium hydroxide tov, me ntsis soluble hauv dej.
Siv: acid-base prompting agent.Ua 0.1% tov los yog 0.04% aqueous tov nrog 20% ethanol (kua 0.04g ntawm cov khoom no nyob rau hauv 1.05ml ntawm 0.1M NaOH tov), thiab ces dilute mus rau 100ml.pH xim hloov ntau yam: 7.2 (daj)-8.8 (liab ntshav);2.0 (liab) - 3.0 (xim liab).
Kaw
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