3',3'',5',5''-Tetraiodophenolsulfonphthalein
Also known as: Iodophenol Blue, Tetraiodophenolsulfonphthalein, 3',3'',5',5''-Tetraiodophenolsulfonephthalein, 3,3',5,5'-Tetraiodophenolsulfonephthalein, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2,6-diiodophenol] S,S-dioxide, MFCD00010405, EINECS 224-621-3
3',3'',5',5''-Tetraiodophenolsulfonphthalein (CAS 4430-24-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C19H10I4O5S and a molecular weight of 857.96300 g/mol. Key properties include a melting point of 229 °C (dec.)(lit.), a boiling point of 615.3ºC at 760mmHg, a density of 2.615g/cm3 and a flash point of 325.9ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4430-24-4
- Jingsj CID
- J-3811-3
- Molecular Formula
- C19H10I4O5S
- Molecular Weight
- 857.96300 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 229 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 615.3ºC at 760mmHg |
| Density | 2.615g/cm3 |
| Flash Point | 325.9ºC |
| Exact Mass | 857.64300 |
| PSA | 92.21000 |
| LogP | 6.60780 |
| Refractive Index | 1.885 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2934991000 |
|---|---|
| Summary | 2934991000. sultones and sultams. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3',3'',5',5''-Tetraiodophenolsulfonphthalein?
The CAS number of 3',3'',5',5''-Tetraiodophenolsulfonphthalein is 4430-24-4.
What are the molecular formula and molecular weight of 3',3'',5',5''-Tetraiodophenolsulfonphthalein?
3',3'',5',5''-Tetraiodophenolsulfonphthalein has molecular formula C19H10I4O5S and molecular weight 857.96300 g/mol.
Is 3',3'',5',5''-Tetraiodophenolsulfonphthalein hazardous?
3',3'',5',5''-Tetraiodophenolsulfonphthalein has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3',3'',5',5''-Tetraiodophenolsulfonphthalein (CAS 4430-24-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3811-3 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.