China (Mainland)
- Product Details
Keywords
- 3-cresolpurple
- PH Indicator
- Metacresol Purple
Quick Details
- ProName: Cresol Purple
- CasNo: 2303-01-7
- Molecular Formula: C21H18O5S
- Appearance: Green brown or brown powder
- Application: PH indicator.
- DeliveryTime: within 10 work days
- PackAge: according to you
- Port: Any port of China
- ProductionCapacity: 300 Metric Ton/Month
- Purity: /
- Storage: Keep in dry ventilated place with seal...
- Transportation: Keep in dry ventilated place with seal...
- LimitNum: 10 Gram
Superiority
1. 17 years manufacturer,
2. Good quality,
3. Competitive price,
4. Fast delivery time,
5. Professional Team,
6. Good service.
Details
Cresol Purple
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 |
STANDARD |
|
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 |
≤ 1.0% |
