Tetrakis(hydroxymethyl)phosphonium sulfate
四羟甲基硫酸鏻
Also known as: THPS, bis[tetrakis(hydroxymethyl)phosphonium] sulfate, tetrakis(hydroxymethyl)phosphonium sulfate (2:1), octakis(hydroxymethyl)diphosphonium sulfate, Phosphonium, tetrakis(hydroxymethyl)-, sulfate (2:1) (salt), bis(tetrakis(hydroxymethyl)phosphonium) sulfate
Tetrakis(hydroxymethyl)phosphonium sulfate (CAS 55566-30-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H13O8PS and a molecular weight of 252.180 g/mol. It is also known as THPS, bis[tetrakis(hydroxymethyl)phosphonium] sulfate and tetrakis(hydroxymethyl)phosphonium sulfate (2:1). Key properties include a melting point of -35°C, a boiling point of 111°C, a density of 1.4 g/mL at 25 °C(lit.) and a flash point of 96 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 55566-30-8
- Jingsj CID
- J-44216-7
- Molecular Formula
- C4H13O8PS
- Chinese Name
- 四羟甲基硫酸鏻
- Molecular Weight
- 252.180 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -35°C |
|---|---|
| Boiling Point | 111°C |
| Density | 1.4 g/mL at 25 °C(lit.) |
| Flash Point | 96 °C |
Frequently Asked Questions
What is the CAS number of Tetrakis(hydroxymethyl)phosphonium sulfate?
The CAS number of Tetrakis(hydroxymethyl)phosphonium sulfate is 55566-30-8.
What are the molecular formula and molecular weight of Tetrakis(hydroxymethyl)phosphonium sulfate?
Tetrakis(hydroxymethyl)phosphonium sulfate has molecular formula C4H13O8PS and molecular weight 252.180 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetrakis(hydroxymethyl)phosphonium sulfate (CAS 55566-30-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44216-7 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.