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: | Cresol Purple | |
CAS No: | 2303-01-7 | |
Product Type: | Chemical Reagent -> Analytical reagent | |
Product spec: | analytical grade | |
Packing: | 500g, 1kg, 10kg, 25kg, 50kg | |
Post Time: | 2014-09-30 | |
Usage: | PH indicator. | |
Description: | Cresol Purple manufacturer, supplier, producer 1. CAS NO.: 2303-01-7 2. Molecular Formula: C21H18O5S 3. Molecular Weight: 382.44 4. Storage: Keep in dry ventilated place with sealed. 5. Use: PH indicator. ITEM Appearance Green brown or brown powder Flash Point 205.3 °C PH Change Range 1.2 ( pink ) - 2.8 ( yellow ) 7.4 (brown yellow) - 9.0 ( purple ) Mass Absorption Wavelength L/ (cm.g): λ1 (PH 1.2): 526 ~529 nm λ2 (PH 2.8): 431 ~ 437 nm λ3 (PH 7.4): 431 ~ 437 nm λ4 (PH 9.0): 576 ~ 580 nm Mass Absorption Coefficient L/ (cm.g): α1(λ1,PH 1.2)80-94 α2(λ2,PH 2.8)40-46 α3(λ3,PH 7.4)39-45 α4(λ4,PH 9.0)75-86 Loss on Drying not more than 1.0% |