Chromotropic acid disodium salt
变色酸二钠盐
Also known as: 1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt, 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt, Disodium 4,5-dihydroxynaphthalene-2,7-disulfonate, Sodium 4,5-dihydroxynaphthalene-2,7-disulfonate, Mordant Brown 7, Chromogen C, EINECS 204-972-9
Chromotropic acid disodium salt (CAS 129-96-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H6Na2O8S2 and a molecular weight of 364.25900 g/mol. It is also known as 1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt, 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt and Disodium 4,5-dihydroxynaphthalene-2,7-disulfonate. Key property: a melting point of >300ºC(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 129-96-4
- Jingsj CID
- J-1343905-5
- Molecular Formula
- C10H6Na2O8S2
- Chinese Name
- 变色酸二钠盐
- Molecular Weight
- 364.25900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300ºC(lit.) |
|---|
Frequently Asked Questions
What is the CAS number of Chromotropic acid disodium salt?
The CAS number of Chromotropic acid disodium salt is 129-96-4.
What are the molecular formula and molecular weight of Chromotropic acid disodium salt?
Chromotropic acid disodium salt has molecular formula C10H6Na2O8S2 and molecular weight 364.25900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Chromotropic acid disodium salt (CAS 129-96-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1343905-5 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.