Your Address : Globalchemmade--Tianjin Evision Technology Co., Ltd
Name:Tianjin Evision Technology Co., Ltd
Type:Others
Tel:86-022-29894595
Fax:86-022-29898890
Email:tjdcfinechem@gmail.com
Address:China(Mainland)
Products detail
| Product Name: | Phenol Red |
|
| CAS No: | 143-74-8 | |
| Product Type: | Chemical Reagent -> Analytical reagent | |
| Product spec: | analytical grade | |
| Packing: | 500g, 1kg, 10kg, 25kg, 50 kg | |
| Post Time: | 2014-09-30 | |
| Usage: | PH indicator | |
| Description: | Phenol Red manufacturer, supplier, producer 1. CAS NO.: 143-74-8 2. Molecular Formula: C19H14O5S 3. Molecular Weight: 354.38 4. Storage: Keep in dry ventilated place with sealed. 5. Use: PH indicator. ITEM Appearance: Red crystalline powder Melting Point : 300 °C Flash Point: >300 °C PH Change Range: 1.2 ( orange ) - 3.0 ( yellow ) 6.5 (brown yellow ) - 8.0 ( Fuchsia ) Mass Absorption Wavelength L/ (cm.g) λ1 (PH 1.2): 503 ~506 nm λ2 (PH 3.0): 430 ~ 435 nm λ3 (PH 6.5): 430 ~ 435 nm λ4 (PH 8.0): 557 ~ 560 nm Mass Absorption Coefficient L/ (cm.g): α1(λ1,PH 1.2)110-123 α2(λ2,PH 3.0)60-68 α3(λ3,PH 6.5)62-72 α4(λ4,PH 8.0)120-135 Loss on Drying: not more than 1.0 % Residue on Ignition not more than 0.2 % | |