o-Cresolphthalein
Also known as: 3,3'-DIMETHYLPHENOLPHTHALEIN, 3,3-Bis(4-hydroxy-3-methylphenyl)-1(3H)-isobenzofuranone, 3,3-Bis(4-hydroxy-3-methylphenyl)-1-(3H)-iso-benzofuranone, 3,3-Bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1(3H)-one, 3,3-bis(4-hydroxy-3-methylphenyl)-(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-3-methylphenyl)-1(3h)-isobenzofuranon, 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one, 3',3''-dimethyl-phenolphthalei, Di-o-Cresolphthalide, cresolphthalein, o-Cresolphalein, o-cresolphtaleine, MFCD00005912
o-Cresolphthalein (CAS 596-27-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C22H18O4 and a molecular weight of 346.376 g/mol. Key properties include a melting point of 223-225 °C, a boiling point of 555.0±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 198.8±23.6 °C. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 596-27-0
- Jingsj CID
- J-4782-5
- Molecular Formula
- C22H18O4
- Molecular Weight
- 346.376 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 223-225 °C |
|---|---|
| Boiling Point | 555.0±50.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 198.8±23.6 °C |
| Exact Mass | 346.120514 |
| PSA | 66.76000 |
| LogP | 3.55 |
| Vapor Pressure | 0.0±1.6 mmHg at 25°C |
| Refractive Index | 1.668 |
| Additional Property | slightly soluble |
Customs & Trade Information
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of o-Cresolphthalein?
The CAS number of o-Cresolphthalein is 596-27-0.
What are the molecular formula and molecular weight of o-Cresolphthalein?
o-Cresolphthalein has molecular formula C22H18O4 and molecular weight 346.376 g/mol.
Which suppliers offer o-Cresolphthalein?
1 supplier(s) listed; request a quote for pricing.
What are the upstream and downstream products of o-Cresolphthalein?
For o-Cresolphthalein, Upstream Products: Phthalic anhydride, o-Cresol; Downstream Products: 2-Hydroxy-3-methylanthraquinone, o-Cresolphthalein Complexone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "o-Cresolphthalein (CAS 596-27-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4782-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.