Phenol Red
CAS No.: 143-74-8
Product Name: Phenol Red
CAS#143-74-8
Package: 25kg/drum
Delivery time: in stock for prompt shipment
Dangerous goods or not: Not
Country of origin: China
CAS#143-74-8
Package: 25kg/drum
Delivery time: in stock for prompt shipment
Dangerous goods or not: Not
Country of origin: China
Description
Spec of Phenol Red：
| Items | Specification | Results |
| PH | 1.2(Orange)- 3.0(yellow) 6.5(brownish yellow)- 8.0(purple-red) |
1.2(Orange)- 3.0(yellow) 6.5(brownish yellow)- 8.0(purple-red) |
| Maximum absorption wavelength (nm) | ||
| λ1(PH1.2) | 503---506 | 503 |
| λ2(PH3.0) | 430---435 | 435 |
| λ3(PH6.5) | 430---435 | 430 |
| λ4(PH 8.0) | 557---560 | 558 |
| Mass absorption coefficient (L/cm·g) | 110--123 | 112.5 |
| α1(λ1，PH1.2，dry sample) | 60---68 | 63.2 |
| α2(λ2，PH3.0，dry sample) | 62---72 | 65.5 |
| α3(λ3，PH 6.5，dry sample) | 115-130 | 115.0 |
| α4(λ4，PH 8.0，，dry sample) | Qualified | Qualified |
| Loss on Drying | ≤1.0 % | 0.5 % |
| Incineration residue (calculated as sulfate) | ≤0.2 % | 0.2 % |
