CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE

变色酸钠

Also known as: 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, sodium salt, hydrate (1:2:2), Chromogen C dihydrate, Chromogen C, Chromotropic acid disodium salt dihydrate, Disodium chromotropate dihydrate, Disodium chromotropate, Mordant Brown 7, Mordant Brown 7 dihydrate, Sodium 4,5-dihydroxy-2,7-naphthalenedisulfonate hydrate (2:1:2), Sodium 4,5-dihydroxynaphthalene-2,7-disulfonate hydrate (2:1:2), EINECS 204-972-9, MFCD00150612

CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE (CAS 5808-22-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H10Na2O10S2 and a molecular weight of 400.290 g/mol. It is also known as 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, sodium salt, hydrate (1:2:2), Chromogen C dihydrate and Chromogen C. Key property: a melting point of >300 °C(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5808-22-0

Jingsj CID

J-20552-4

Molecular Formula

C₁₀H₁₀Na₂O₁₀S₂

Chinese Name

变色酸钠

Molecular Weight

400.290 g/mol

Category

Organic Acids

Last updated

8/21/2026