Chlorophosphonazo I
Also known as: CPA-I, CPA-Ⅰ, CPA-Ⅳ, Chlorophosphonzo I, 3-[(4-Chloro-2-phosphonophenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt, Disodium 3-[(E)-(4-chloro-2-phosphonophenyl)diazenyl]-4,5-dihydroxy-2,7-naphthalenedisulfonate, (3Z)-3-[(4-Chloro-2-phosphonophenyl)hydrazono]-5-hydroxy-4-oxo-3,4-dihydro-2,7-naphthalenedisulfonic acid
Chlorophosphonazo I (CAS 85561-96-2) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H12ClN2NaO11PS2 and a molecular weight of 561.82200 g/mol. Key property: a density of 2.0±0.1 g/cm3. It is listed by 1 supplier; request a quote for pricing. Record last updated Nov 2, 2026.
- CAS No.
- 85561-96-2
- Jingsj CID
- J-1359488-8
- Molecular Formula
- C16H12ClN2NaO11PS2
- Molecular Weight
- 561.82200 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 11/2/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Density | 2.0±0.1 g/cm3 |
|---|---|
| Exact Mass | 537.930847 |
| PSA | 258.02000 |
| LogP | -1.08 |
| Refractive Index | 1.784 |
Frequently Asked Questions
What is the CAS number of Chlorophosphonazo I?
The CAS number of Chlorophosphonazo I is 85561-96-2.
What are the molecular formula and molecular weight of Chlorophosphonazo I?
Chlorophosphonazo I has molecular formula C16H12ClN2NaO11PS2 and molecular weight 561.82200 g/mol.
Which suppliers offer Chlorophosphonazo I?
1 supplier(s) listed; request a quote for pricing.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Chlorophosphonazo I (CAS 85561-96-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359488-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.