1-Naphthol-3,6-disulfonic acid disodium salt hydrate 330581-20-9 4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt CAS 330581-20-9

Purity 97%+In StockPharmaceutical Standards
CAS No.330581-20-9
Molecular FormulaC10H16O7S2
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Naphthol-3,6-disulfonic acid disodium salt hydrate
330581-20-9
4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt CAS 330581-20-9 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-Naphthol-3,6-disulfonic acid disodium salt hydrate 330581-20-9 4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt.

CATO supplies 1-Naphthol-3,6-disulfonic acid disodium salt hydrate 330581-20-9 4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt (CAS 330581-20-9), a certified reference material (molecular formula C10H16O7S2NaH2O, MW 353.36 g/mol) for analytical method development and quality control.

1-Naphthol-3,6-disulfonic acid disodium salt hydrate 330581-20-9 4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt (C10H16O7S2NaH2O) contains a carbohydrate-derived structure, a sulfone group. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 1-Naphthol-3,6-disulfonic acid disodium salt hydrate 330581-20-9 4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC10H16O7S2 2*Na H2O
Molecular Weight353.36 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)2025
Sulfur Atoms2

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