Sodium 1-heptanesulfonate solution

suitable for ion pair chromatography, concentrate, LiChropur, ampule

1-Heptanesulfonic acid sodium salt
Linear Formula:
CAS Number:
Molecular Weight:
Beilstein/REAXYS Number:
MDL number:
PubChem Substance ID:
Pricing and availability is not currently available.

Quality Level






ampule of 25 mL


HPLC: suitable
ion pair chromatography: suitable


in concentrate

UV absorption

λ: 210 nm Amax: 0.07
λ: 220 nm Amax: 0.04
λ: 230 nm Amax: 0.03
λ: 260 nm Amax: 0.01
λ: 500 nm Amax: 0.01


corresponds to standard for RP gradient test
corresponds to standard for filter test

SMILES string




InChI key


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General description

Concentrate for 6x1 L ready-to-use solution. Dilute contents of one ampule (~0.3 M) to 1 L with HPLC grade water to obtain a 0.005 M eluent solution.


Sodium 1-heptanesulfonate may be used as an ion-pairing reagent for the determination of ethambutol in pharmaceutical dosage forms by ion-pair reversed phase liquid chromatography with UV detection.

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Determination of ethambutol by ion-pair reversed phase liquid chromatography with UV detection.
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