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1-Butane Sulphonic Acid Sodium Salt Monohydrate 99% AR/HPLC

Packings

Product Information

Basic information about this product

Article No. 002362
Grade AR/HPLC
Purity 99%
CAS No. 127791-51-9
Molecular Formula C4H9NaO3S.H2O
Molecular Weight 178.16
H.S. Code 29041090
Shelf Life 60 Months

Hazard Information

Safety and hazard classification

NO GHS NO GHS
Hazard Symbols
NO GHS

Safety Information

Important safety instructions and precautions

Signal Word: N/A
UN No.: N/A
IMCO Class No.: N/A
Packing Group: N/A
Hazardous Statement: N/A
Precaution Statement: N/A

Product Description

Detailed information about the product

Product Overview

1-Butane Sulphonic Acid Sodium Salt Monohydrate 99% AR/HPLC (CAS No. 127791-51-9) is the monohydrated form of sodium butane-1-sulfonate, containing one equivalent of water associated with the ionic alkylsulfonate. Its four-carbon alkyl group and anionic sulfonate head enable it to function as a counterion for positively charged analytes in reversed-phase ion-pair chromatography. The defined monohydrate form must be accounted for when calculating weighed quantities for molar mobile-phase preparation.

The AR/HPLC grade is intended for analytical reagent preparation and use as an anionic ion-pairing additive in high-performance liquid chromatography. Its grade territory requires suitability for mobile-phase formulation with controlled chromatographic background and reagent cleanliness, without implying universal compatibility with every detector, column chemistry or analytical method. CAS No. 127791-51-9 specifically identifies sodium 1-butanesulfonate monohydrate. CAS No. 2386-54-1 identifies sodium 1-butanesulfonate in the anhydrous or non-hydrate identity, although some commercial catalogues and records use CAS No. 2386-54-1 broadly for material described as the monohydrate. For form-specific catalogue identification, this product is assigned CAS No. 127791-51-9.

Typical Applications

  • Anionic ion-pair reagent in reversed-phase HPLC for protonated amines and other positively charged analytes.
  • Mobile-phase additive used to adjust retention, selectivity and peak behaviour of polar basic compounds.
  • Preparation of ion-pair chromatographic mobile phases where the monohydrate form is specified.
  • Component of mixed ion-pair systems used in selected selenium-speciation procedures.
  • Use in selected chromatographic methods coupled with element-specific detection where sodium 1-butanesulfonate is prescribed.
  • Analytical method development and routine quality-control work involving alkylsulfonate ion pairing.

Common Synonyms

  • Sodium 1-Butanesulfonate Monohydrate
  • Sodium Butane-1-Sulfonate Monohydrate
  • 1-Butanesulfonic Acid Sodium Salt Monohydrate
  • 1-Butanesulphonic Acid Sodium Salt Monohydrate
  • Sodium Butylsulfonate Monohydrate
  • Sodium n-Butylsulfonate Monohydrate

Storage Conditions

Store in a tightly closed container under dry, clean conditions and protect from uncontrolled moisture exchange and analytical contamination. Close promptly after sampling to preserve the defined monohydrate form and maintain consistency during gravimetric mobile-phase preparation.