| Model: | DC010 |
|---|---|
| Brand: | DC FINE CHEM |
| Origin: | Made In China |
| Category: | Chemicals / Pharmaceutical Chemicals |
| Label: | PH Indicator |
| Price: |
US $20
/ KG
|
| Min. Order: | 1 KG |
| Live Chat: | Last Online:18 Apr, 2014 |
Cresol Red
1. CAS NO.: 1733-12-6
2. Molecular Formula: C21H18O5S
3. Molecular Weight: 382.43
4. Storage: Keep in dry ventilated place with sealed.
5. Use: PH indicator.
|
ITEM |
STANDARD |
|
Appearance |
brownish red crystal |
|
Melting Point |
290 °C |
|
Flash Point |
293.6 °C |
|
PH Change Range |
6.5 (yellow) - 8.5( purple) |
|
Mass Absorption Wavelength L/ (cm.g) |
λ1 (PH 6.5): 432~436 nm λ2 (PH 8.5): 571~574 nm |
|
Mass Absorption Coefficient L/ (cm.g) |
α1 ( λ1，PH6.5 ) 49 - 67 , α2 ( λ2，PH8.5 ) 100 - 132 |
|
Loss on Drying |
≤3.0 % |
|
Residue on Ignition |
≤ 0.2% |
| Payment Terms: | TT, LC, DA, DP, PAYPAL, WESTERN UNION ETC |
|---|---|
