2,2'-Bipyridine-4,4'-diol
Also known as: 4,4'-Dihydroxy-2,2'-bipyridine, 2,2'-Bipyridine-4,4'-diol, 2,2'-Bipyridyl-4,4'-diol, 4,4'-dihydroxy-2,2'-dipyridyl, 2-(4-hydroxypyridin-2-yl)pyridin-4-ol, 2-(4-oxo-1H-pyridin-2-yl)-1H-pyridin-4-one
2,2'-Bipyridine-4,4'-diol (CAS 90770-88-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8N2O2 and a molecular weight of 188.183 g/mol. Key properties include a boiling point of 605.3±55.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 319.8±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 90770-88-0
- Jingsj CID
- J-1420868-5
- Molecular Formula
- C10H8N2O2
- Molecular Weight
- 188.183 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 605.3±55.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 319.8±31.5 °C |
| Exact Mass | 188.058578 |
| PSA | 66.24000 |
| LogP | -2.79 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.657 |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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 2,2'-Bipyridine-4,4'-diol?
The CAS number of 2,2'-Bipyridine-4,4'-diol is 90770-88-0.
What are the molecular formula and molecular weight of 2,2'-Bipyridine-4,4'-diol?
2,2'-Bipyridine-4,4'-diol has molecular formula C10H8N2O2 and molecular weight 188.183 g/mol.
What are the upstream and downstream products of 2,2'-Bipyridine-4,4'-diol?
For 2,2'-Bipyridine-4,4'-diol, Upstream Products: 4,4'-Dimethoxy-2,2'-bipyridine, 2-Chloro-4-methoxypyridine; Downstream Products: 4,4'-dibromo-2,2'-bipyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2'-Bipyridine-4,4'-diol (CAS 90770-88-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1420868-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.