2303-01-7
2303-01-7 structure
- Name: 3-cresol purple
- Chemical Name: Cresol Purple
- CAS Number: 2303-01-7
- Molecular Formula: C21H18O5S
- Molecular Weight: 382.430
- Catalog: Biochemical Biochemical reagent Acid-base indicator
- Create Date: 2018-05-16 08:00:00
- Modify Date: 2026-07-01 08:30:21
| Name | Cresol Purple |
|---|---|
| Synonyms |
M-CRESOL PURPLE FREE ACID
Cresol Purple //BP m-Cresol purple indicatorM Metacresol Purple m-CRESOL PURPLE (pH indicator) 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-2,1-benzoxathiole 1,1-dioxide m-Cresol purple: 3,3-bis(2-hydroxy-4-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide MFCD00005871 3-cresolpurple Phenol, 4,4-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis3-methyl cresolpurple(non-specificname) M-CRESOL PURPLE O-toluenesulfonic Acid,α-hydroxy-α,α-bis(4-hydroxy-o-tolyl)-, Γ-sultone m-Cresol purple pH indicator solution m-Cresol purple, pH indicator dye M-CRESOL PURPLE, INDICATOR ADE M-Cresol purple, indicator m-Cresol purple, indicator CRESOL PURPLE Nsc cresolsulfonphthalein EINECS 218-960-6 M-cresol violet m-Cresolsulfonphthalein 4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(m-cresol)s,s-dioxide phenol,4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis[3-methyl-,s,s-dioxide M-CRESOLSULFONHTHALEIN 2-[(Z)-(4-Hydroxy-2-methylphenyl)(2-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonic acid M-Cresol Purple, indicator ade, pureR 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide Cresol purple solution pH 3,3-Bis(4-hydroxy-2-Methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide m-Cresolpurpl BETZ 0420 m-Cresol Purple,indicator ade M-cresol, 4,4′-(3h-2,1-benzoxathiol-3-ylidene)di-, S,s-dioxide 4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)s,s-dioxide METACRESOL PURPLE pourpredem-cresol M-cresol purple indicator solution M-CRESOLSULFONPHTHALEIN Phenol,4,4’-(3H-2,1-benzoxathiol-3-ylidene)bis(3-methyl-,S,S-dioxide m-Cresol Purple m-Cresol Purple ( ade) M-CRESOL PURPLE INDICATOR Meta-CRESOL PURPLE INDICATOR m-Cresol purpl M-CRESOLSULFONEPHTHALEIN 2-[(Z)-(4-Hydroxy-2-methylphenyl)(2-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]benzenesulfonic acid Cresol Purple, M m-Cresol Purple sodium salt, w/v aq. soln m-Cresol Purple extrapure |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 577.5ºC at 760 mmHg |
| Melting Point | >250°C |
| Molecular Formula | C21H18O5S |
| Molecular Weight | 382.430 |
| Exact Mass | 382.087494 |
| PSA | 92.21000 |
| LogP | 2.99 |
| Vapour Pressure | 1.19E-13mmHg at 25°C |
| Index of Refraction | 1.652 |
| Water Solubility | Solubility Very slightly soluble in water, ethanol; soluble in methanol |
|
~14%
2303-01-7 |
| Literature: Cihelnik, Simon; Stibor, Ivan; Lhotak, Pavel Collection of Czechoslovak Chemical Communications, 2002 , vol. 67, # 12 p. 1779 - 1789 |
|
~%
2303-01-7 |
| Literature: Journal of the American Chemical Society, , vol. 48, p. 2215 |
|
~35%
2303-01-7 |
| Literature: Tillu; Dumbre; Borate; Wakharkar; Choudhary Synthetic Communications, 2012 , vol. 42, # 8 p. 1101 - 1107 |
| Precursor 4 | |
|---|---|
| DownStream 1 | |
| HS Code | 2934991000 |
|---|---|
| Summary | 2934991000. sultones and sultams. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |