Determine the necessary mass, volume, or concentration for preparing a solution.
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Synonyms | o-Cresolphthalein | 596-27-0 | 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-3-methylphenyl)- | 3,3-Bis(4-hydroxy-3-methylphenyl)isobenzofuran-1(3H)-one | 3',3''-Dimethylphenolphthalein | 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one | Phenolphthalein, 3',3''-dime |
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Specifications & Purity | PH color range 8.2 (colorless) ~9.8 (red/purple) |
Biochemical and Physiological Mechanisms | O-cresol phthalein is a reversible pH indicator. The kinetics of the reverse path (red-purple to colorless) is slow, which makes it an appropriate molecule to check the flow pattern in corrugated wall tubes. It is also used for colorimetric determination |
Storage Temp | Desiccated |
Shipped In | Normal |
Product Description | Soluble in ethanol, ether and glacial acetic acid, purple in dilute alkali, slightly soluble in water and hardly soluble in benzene. |
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IUPAC Name | 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one |
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INCHI | InChI=1S/C22H18O4/c1-13-11-15(7-9-19(13)23)22(16-8-10-20(24)14(2)12-16)18-6-4-3-5-17(18)21(25)26-22/h3-12,23-24H,1-2H3 |
InChi Key | CPBJMKMKNCRKQB-UHFFFAOYSA-N |
Canonical SMILES | CC1=C(C=CC(=C1)C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4)O)C)O |
Isomeric SMILES | CC1=C(C=CC(=C1)C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4)O)C)O |
WGK Germany | 3 |
PubChem CID | 68995 |
Molecular Weight | 346.38 |
Beilstein | 310554 |
Enter Lot Number to search for COA:
Melt Point(°C) | 223-225°C |
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WGK Germany | 3 |
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1. Fan Yang, Hongbo Yu, Chunzheng Wu, Shiwei Wang, Tong Li, Hongfeng Yin. (2022) RhCu Bimetallic Nanoparticles in Hollow Carbon Spheres for Catalytic Halonitrobenzene Chemoselective Hydrogenation. ACS Applied Nano Materials, 5 (8): (11627–11635). [PMID:] [10.1021/acsanm.2c02358] |
2. Yongmei Tang, Lan Li, Kai Ma, Guofei Chen, Wei Wang, Xingzhong Fang. (2018) Transparent and organosoluble cardo polyimides with different trans/cis ratios of 1,4-diaminocyclohexane via aromatic nucleophilic substitution polymerization. POLYMER INTERNATIONAL, 67 (5): (598-605). [PMID:] [10.1002/pi.5556] |
3. Nafeesa Mushtaq, Lala Rukh Sidra, Guofei Chen, Yongmei Tang, Lubo Xu, Xingzhong Fang. (2017) Synthesis of cardo containing asymmetric poly(ether-naphthalimide-phthalimide)s. POLYMER INTERNATIONAL, 66 (11): (1633-1639). [PMID:] [10.1002/pi.5425] |
4. Leiduan Hao, Yanfei Zhao, Bo Yu, Hongye Zhang, Huanjun Xu, Jilei Xu, Zhimin Liu. (2014) Polyurea-supported metal nanocatalysts: Synthesis, characterization and application in selective hydrogenation of o-chloronitrobenzene. JOURNAL OF COLLOID AND INTERFACE SCIENCE, 424 (44). [PMID:24767496] [10.1016/j.jcis.2014.03.015] |
1. Fan Yang, Hongbo Yu, Chunzheng Wu, Shiwei Wang, Tong Li, Hongfeng Yin. (2022) RhCu Bimetallic Nanoparticles in Hollow Carbon Spheres for Catalytic Halonitrobenzene Chemoselective Hydrogenation. ACS Applied Nano Materials, 5 (8): (11627–11635). [PMID:] [10.1021/acsanm.2c02358] |
2. Yongmei Tang, Lan Li, Kai Ma, Guofei Chen, Wei Wang, Xingzhong Fang. (2018) Transparent and organosoluble cardo polyimides with different trans/cis ratios of 1,4-diaminocyclohexane via aromatic nucleophilic substitution polymerization. POLYMER INTERNATIONAL, 67 (5): (598-605). [PMID:] [10.1002/pi.5556] |
3. Nafeesa Mushtaq, Lala Rukh Sidra, Guofei Chen, Yongmei Tang, Lubo Xu, Xingzhong Fang. (2017) Synthesis of cardo containing asymmetric poly(ether-naphthalimide-phthalimide)s. POLYMER INTERNATIONAL, 66 (11): (1633-1639). [PMID:] [10.1002/pi.5425] |
4. Leiduan Hao, Yanfei Zhao, Bo Yu, Hongye Zhang, Huanjun Xu, Jilei Xu, Zhimin Liu. (2014) Polyurea-supported metal nanocatalysts: Synthesis, characterization and application in selective hydrogenation of o-chloronitrobenzene. JOURNAL OF COLLOID AND INTERFACE SCIENCE, 424 (44). [PMID:24767496] [10.1016/j.jcis.2014.03.015] |