Triphenylphosphine-3,3',3''-trisulfonic acid trisodium salt
三苯基膦三间磺酸钠盐
Also known as: Tris(3-sulfophenyl)phosphine trisodium salt, Tris(3-sulfonatophenyl)phosphine trisodium salt, 3,3',3''-Phosphinidynetris(benzenesulfonic acid) trisodium salt, TPPTS, Trisodium 3,3',3''-phosphanetriyltribenzenesulfonate, Trisodium 3,3',3''-phosphinetriyltribenzenesulfonate, Tri(m-sulfophenyl)phosphine sodium salt, Benzenesulfonic acid, 3,3',3''-phosphinidynetris-, sodium salt (1:3)
Triphenylphosphine-3,3',3''-trisulfonic acid trisodium salt (CAS 63995-70-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H12Na3O9PS3 and a molecular weight of 568.420 g/mol. It is also known as Tris(3-sulfophenyl)phosphine trisodium salt, Tris(3-sulfonatophenyl)phosphine trisodium salt and 3,3',3''-Phosphinidynetris(benzenesulfonic acid) trisodium salt. 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.
- 63995-70-0
- Jingsj CID
- J-40720-3
- Molecular Formula
- C18H12Na3O9PS3
- Chinese Name
- 三苯基膦三间磺酸钠盐
- Molecular Weight
- 568.420 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Exact Mass | 567.907410 |
|---|---|
| PSA | 210.33000 |
| LogP | 3.39950 |
| Appearance | Powder | white to off-white |
| Additional Property | Soluble in water. |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2904100000 |
|---|---|
| Summary | 2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Triphenylphosphine-3,3',3''-trisulfonic acid trisodium salt?
The CAS number of Triphenylphosphine-3,3',3''-trisulfonic acid trisodium salt is 63995-70-0.
What are the molecular formula and molecular weight of Triphenylphosphine-3,3',3''-trisulfonic acid trisodium salt?
Triphenylphosphine-3,3',3''-trisulfonic acid trisodium salt has molecular formula C18H12Na3O9PS3 and molecular weight 568.420 g/mol.
Is Triphenylphosphine-3,3',3''-trisulfonic acid trisodium salt hazardous?
Triphenylphosphine-3,3',3''-trisulfonic acid trisodium salt 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 and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Triphenylphosphine-3,3',3''-trisulfonic acid trisodium salt (CAS 63995-70-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40720-3 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.