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Basic Info.
Model NO.
b xyy 1733-12-6
Purity
99%
Transport Package
Bag
Specification
25kg
Trademark
Future Chemical
Origin
China
Production Capacity
1000ton
Product Description
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 |