1,5-Naphthalenedisulfonic Acid CAS 20779-13-9

Purity 97%+In StockPharmaceutical Standards
CAS No.20779-13-9
Molecular FormulaC12H12O6S2
Molecular Weight316.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,5-Naphthalenedisulfonic Acid CAS 20779-13-9 chemical structure

Description

CATO supplies 1,5-Naphthalenedisulfonic Acid (CAS 20779-13-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H12O6S2. Molecular weight: 316.35 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC12H12O6S2
Molecular Weight316.35 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Sulfur Atoms2

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