- Min.Order :10 Gram
- Purity: /
- Payment Terms : L/C,D/A,D/P,T/T,Other
Keywords
BROMCRESOL PURPLE 2-CRESOLSULFONEPHTHALEIN Cresolsulfophthalein
Quick Details
- Appearance:brownish red crystal
- Application:PH indicator.
- PackAge:according to you
- ProductionCapacity:300|Metric Ton|Month
- Storage:Keep in dry ventilated place with sealed.
- Transportation:Keep in dry ventilated place with sealed
Superiority:
1. 17 years manufacturer,
2. Good quality,
3. Competitive price,
4. Fast delivery time,
5. Professional Team,
6. Good service.
Details:
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% |
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