| CAS No.: | 1733-12-6 |
|---|---|
| Formula: | C21h18o5s |
| EINECS: | 217-064-2 |
| MW: | 382.43 |
| Sample: | Support |
| Storage: | Yes |
| Customization: |
|---|
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Audited Supplier High quality Cresol Red with cas 1733-12-6 o-Cresolsulfonphthalein
| Cresol Red Basic information | |
| Product Name: | Cresol Red |
| CAS: | 1733-12-6 |
| MF: | C21H18O5S |
| MW: | 382.43 |
| EINECS: | 217-064-2 |
| Mol File: | 1733-12-6.mol |
| Cresol Red Chemical Properties | |
| Melting point | 290 °C |
| Boiling point | 479.59°C (rough estimate) |
| density | 0.98 g/mL at 25 °C |
| refractive index | 1.5300 (estimate) |
| storage temp. | Store at RT. |
| solubility | Solubility Sparingly soluble in water; soluble in ethanol |
| form | Powder |
| pka | 1.0(at 25ºC) |
| color | Dark green or brown-red |
| PH | 7.2~8.8 |
| PH Range | 7.2(YELLOW)--8.8(PURPLISH RED) |
| Water Solubility | soluble |
| λmax | 570nm, 367nm, 432nm |
| Merck | 142,578 |
| BRN | 343399 |
| InChIKey | ASMGMVUGPNODGX-UHFFFAOYSA-N |
| EPA Substance Registry System | Cresol Red (1733-12-6) |
| Item | Specification |
| PH CHANGE RANGE | 6.5(brown)-8.5(purple) |
| Maximum absorption wavelength | λ1(PH6.5)...432~436 |
| λ1(PH6.5)...571~574 | |
| Mass absorption coefficient | α1(λ1,PH6.5,dry basis)…49~67 |
| α1(λ2,PH8.5,dry basis)…100~132 | |
| Ethanol solubility test | Pass test |
| SULFATED ASH | 0.2% max |
| LOSS ON DRYING | 3.0% max |
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