7-(2-Hydroxyethyl)theophylline
Also known as: Etofylline, 7-(2-Hydroxyethyl)-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione, 1,3-Dimethyl-7-(2-hydroxyethyl)xanthine, Beta-hydroxyethyltheophylline, 7-(2-hydroxyethyl)-1,3-dimethylpurine-2,6-dione, Cordalin, Phyllocormin, Oxyethyltheophylline, Biophylline, EINECS 208-269-8
7-(2-Hydroxyethyl)theophylline (CAS 519-37-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C9H12N4O3 and a molecular weight of 224.21700 g/mol. Key properties include a melting point of 163°C, a boiling point of 495.5ºC at 760mmHg, a density of 1.51g/cm3 and a flash point of 253.5ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 519-37-9
- Jingsj CID
- J-25402-4
- Molecular Formula
- C9H12N4O3
- Molecular Weight
- 224.21700 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 163°C |
|---|---|
| Boiling Point | 495.5ºC at 760mmHg |
| Density | 1.51g/cm3 |
| Flash Point | 253.5ºC |
| Exact Mass | 224.09100 |
| PSA | 82.05000 |
| Appearance | solid | white |
| Refractive Index | 1.683 |
| Additional Property | H2O: Solutions may be stored for several days at 4°C.soluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 7-(2-Hydroxyethyl)theophylline?
The CAS number of 7-(2-Hydroxyethyl)theophylline is 519-37-9.
What are the molecular formula and molecular weight of 7-(2-Hydroxyethyl)theophylline?
7-(2-Hydroxyethyl)theophylline has molecular formula C9H12N4O3 and molecular weight 224.21700 g/mol.
Is 7-(2-Hydroxyethyl)theophylline hazardous?
7-(2-Hydroxyethyl)theophylline has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 7-(2-Hydroxyethyl)theophylline?
For 7-(2-Hydroxyethyl)theophylline, Upstream Products: Theophylline, Diprophylline, Ethylene oxide; Downstream Products: Etofylline clofibrate, 7-(2-Chloroethyl)theophylline, 2-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purin-7-yl)ethyl nicotinate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "7-(2-Hydroxyethyl)theophylline (CAS 519-37-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25402-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.