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o-Cresolsulfonphthalein CAS NO.1733-12-6
- FOB Price: USD: 1.00-1.00 /Metric Ton Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T
- Available Specifications:
99%(1-5)Metric Ton99%(5-20)Metric Ton
- Product Details
Keywords
- o-Cresolsulfonphthalein
- Cresol Red
- CAS:1733-12-6
Quick Details
- ProName: o-Cresolsulfonphthalein
- CasNo: 1733-12-6
- Molecular Formula: C21H18O5S
- Appearance: brownish red crystal
- Application: used as pH indicator.
- DeliveryTime: Within 2 weeks after order confirmatio...
- PackAge: 25kgs/drum
- Port: Qingdao port
- ProductionCapacity: 2000 Metric Ton/Year
- Purity: 99%
- Storage: Store in cool and dry place, away from...
- Transportation: By sea or by air
- LimitNum: 1 Kilogram
- CAS: 1733-12-6
Superiority
|
Chemical Name |
Cresol Red |
|
Another name |
o-Cresolsulfonphthalein; 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(2-methylphenol) S,S-dioxide |
|
CAS No. |
1733-12-6 |
|
Molecular formula |
C21H18O5S |
|
EINECS No. |
217-064-2 |
|
Molecular weight |
382.43 |
Details
Appearance: brownish red crystal
Assay: 80% min.
Max Absorption wavelength,
λ1(PH6.5): 432~436 nm
λ2(PH8.5): 571~574 nm
Mass absorption coefficient L/(cm·g)
α1〔λ1(PH6.5)〕49-67 ,
α2〔λ2(PH8.5)〕100-132
Solubility in Ethanol: Pass
Loss on drying: 0.2% max
Residue on ignition (sulfate):3.0%max