Your Address : Globalchemmade--Wuhan Kemi-Works Chemical Co., Ltd.
Name:Wuhan Kemi-Works Chemical Co., Ltd.
Type:Others
Tel:86-27-85736489
Fax:86-27-85736485
Email:info@kemiworks.net
Address:China(Mainland)
Products detail
| Product Name: | Phenol Red |
|
| CAS No: | 143-74-8 | |
| Product Type: | Organic Chemicals and Derivatives -> Others | |
| Product spec: | qualified | |
| Packing: | ||
| Post Time: | 2011-10-27 | |
| Usage: | ||
| Description: | MF: C19H14O5S MW: 354.38 PH indicator range: 1.2 (orange) -3.0(yellow) 6.5(yellow-brown)- 8.0(purple) Maximum absorption wave-length(nm): λ1(PH1.2) 503---506 λ2(PH 3.0) 430---435 λ3(PH 6.5) 430---435 λ4(PH 8.0) 557---560 Mass absorption coefficient（L/cm•g） α1 (λ1，PH 1.2，dry sample)110---123 α2 (λ2，PH 3.0，dry sample)60---68 α3 (λ3，PH 6.5，dry sample)62---72 α4 (λ4，PH 8.0，dry sample)115-130 Solution test in alkali: qualified Loss on drying: 1.0%max Residue on ignition (as sulfate): 0.2%max | |