o-Cresolphthalein - indicator , CAS No.596-27-0

CAS: 596-27-0 Cat. No.: C305618 分子式: C22H18O4 分子量: 346.38 Beilstein Registry Number: 310554 EC番号: 209-881-8
注文可能
GRADE & PURITY Indicator ? Indicator grade — characterized dye giving a defined color change at a known transition. Use to signal pH or titration endpoints visually.
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
Storage
Desiccated,Room temperature
Shipped In
Normal
Size
USA
ドイツ (EU)*
Price
Qty
1g
C305618-1g
2 在庫あり
$51.90
5g
C305618-5g
1 在庫あり
$149.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

indicator 指標 for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Desiccated,Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

概要

Soluble in ethanol, ether and glacial acetic acid, purple in dilute alkali, slightly soluble in water and hardly soluble in benzene.
O-Cresolphthalein has been used as a component in calcifying media for calcification assay.

Specifications

同義語
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
仕様と純度
indicator
生化学的・生理学的メカニズム
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
保管条件
Desiccated,Room temperature
入荷
Normal
等級
指標
名前と識別子
パブケム・シド504754319
パブケム・シド・ウルhttps://pubchem.ncbi.nlm.nih.gov/substance/504754319
カノニカル・スマイルCC1=C(C=CC(=C1)C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4)O)C)O
IUPAC Name3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one
InChIKeyCPBJMKMKNCRKQB-UHFFFAOYSA-N
INCHI1S/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
異性体SMILES CC1=C(C=CC(=C1)C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4)O)C)O
WGKドイツ 3
分子量 346.38
Beilstein 310554
Reaxy-Rn 310554
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=310554&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
分類Benzofurans
SubclassBenzofuranones
Intermediate Tree Nodes Not available
Direct ParentBenzofuranones
Alternative Parents Phthalides  Ortho cresols  Toluenes  1-hydroxy-2-unsubstituted benzenoids  Lactones  Carboxylic acid esters  Oxacyclic compounds  Monocarboxylic acids and derivatives  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Benzofuranone - Phthalide - Isobenzofuranone - Isocoumaran - O-cresol - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Toluene - Monocyclic benzene moiety - Benzenoid - Lactone - Carboxylic acid ester - Oxacycle - Monocarboxylic acid or derivatives - Carboxylic acid derivative - Hydrocarbon derivative - Organooxygen compound - Organic oxide - Organic oxygen compound - Aromatic heteropolycyclic compound
説明This compound belongs to the class of organic compounds known as benzofuranones. These are organic compounds containing a benzene ring fused to a furanone.
External Descriptors Not available
3 D構造
インタラクティブ化学構造モデル





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作用メカニズム
証明書(CoA、COO、BSE/TSEと分析図)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

5 results found

Lot NumberCertificate Type日付商品
G2313384Certificate of AnalysisJun 28, 2023 C305618
G2313385Certificate of AnalysisJun 28, 2023 C305618
G2313389Certificate of AnalysisJun 28, 2023 C305618
G2313394Certificate of AnalysisJun 28, 2023 C305618
G2313396Certificate of AnalysisJun 28, 2023 C305618
化学的性質と物理的性質
融点(°C)223-225°C
分子量346.400 g/mol
XLogP34.500
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass346.121 Da
Monoisotopic Mass346.121 Da
Topological Polar Surface Area66.800 Ų
Heavy Atom Count26
Formal Charge0
Complexity506.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
よくある質問と記事
Citations of This Product
参考文献
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,      [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,      [PMID:24767496] [10.1016/j.jcis.2014.03.015]
5. Xuexia Li, Thumawadee Wongwirat, Linqi Li, Yuan Xi, Junji Wei, Lei Zhu.  (2025)  Dipole Glass Polymer with High Dielectric Constant Based on Side Chain Functionalized Poly(ether ether ketone).  ACS Applied Polymer Materials,      [PMID:] [10.1021/acsapm.4c03621]
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