Tetrac
3,3',5,5'-四碘甲腺乙酸
Also known as: 3,3',5,5'-Tetraiodothyroacetic acid, Tetraiodothyroacetic acid, 4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenylacetic acid, Levothyroxine impurity D, Liothyronine EP impurity D
Tetrac (CAS 67-30-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H8I4O4 and a molecular weight of 747.82900 g/mol. It is also known as 3,3',5,5'-Tetraiodothyroacetic acid, Tetraiodothyroacetic acid and 4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenylacetic acid. Key properties include a melting point of 230 °C, a boiling point of 544.8ºC at 760 mmHg, a density of 2.727g/cm3 and a flash point of 283.3ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 67-30-1
- Jingsj CID
- J-1956231-7
- Molecular Formula
- C14H8I4O4
- Chinese Name
- 3,3',5,5'-四碘甲腺乙酸
- Molecular Weight
- 747.82900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 230 °C |
|---|---|
| Boiling Point | 544.8ºC at 760 mmHg |
| Density | 2.727g/cm3 |
| Flash Point | 283.3ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Tetrac?
The CAS number of Tetrac is 67-30-1.
What are the molecular formula and molecular weight of Tetrac?
Tetrac has molecular formula C14H8I4O4 and molecular weight 747.82900 g/mol.
Is Tetrac hazardous?
Tetrac has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetrac (CAS 67-30-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1956231-7 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.