87996

Supelco

Tetraoctylammonium bromide

suitable for ion pair chromatography, LiChropur, ≥99.0% (AT)

Linear Formula:
CH3(CH2)74N(Br)
CAS Number:
Molecular Weight:
546.79
Beilstein/REAXYS Number:
4169176
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NB.21
Pricing and availability is not currently available.

Quality Level

description

cationic

assay

≥99.0% (AT)

quality

LiChropur

application(s)

ion pair chromatography: suitable

mp

95-98 °C (lit.)
95-98 °C

λ

10 % in methanol

UV absorption

λ: 240 nm Amax: 0.04
λ: 250 nm Amax: 0.03
λ: 260 nm Amax: 0.02
λ: 500 nm Amax: 0.02

suitability

corresponds to standard for filter test

SMILES string

Br-.CCCCCCCCN+(CCCCCCCC)(CCCCCCCC)CCCCCCCC

InChI

1S/C32H68N.BrH/c1-5-9-13-17-21-25-29-33(30-26-22-18-14-10-6-2,31-27-23-19-15-11-7-3)32-28-24-20-16-12-8-4;/h5-32H2,1-4H3;1H/q+1;/p-1

InChI key

QBVXKDJEZKEASM-UHFFFAOYSA-M

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General description

Tetraoctylammonium bromide (TOAB) is an ionophore or recognition element mostly used in potentiometric sensors.

Application

TOAB has been used as recognition element in formulating potentiometric membrane to develop an electronic tongue system for monitoring nitrogen species level in water samples. It may also be used as an ion pairing reagent for HPLC analysis during glucosinolate separation.

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Hazard Codes

Xi

Risk Statement

36/37/38

Safety Statement

26-36

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Separation of glucosinolates by high-performance liquid chromatography.
Helboe, Per, Ole Olsen, and Hilmer S?rensen.
Journal of Chromatography A, 197.2, 199-205 (1980)
Development and application of an electronic tongue for detection and monitoring of nitrate, nitrite and ammonium levels in waters.
Nu?ez, L., et al.
Microchemical Journal, Devoted to the Application of Microtechniques in All Branches of Science, 110, 273-279 (2013)
Lin Han et al.
Dalton transactions (Cambridge, England : 2003), 43(31), 11981-11987 (2014-06-28)
Phase transfer techniques possess remarkable advantages for the synthesis of inorganic nanomaterials. In contrast to the abundant reports on the preparation of noble metal nanoparticles using phase transfer, the number of semiconductor nanocrystals syntheses based on phase transfer techniques is...
Yu Cheng et al.
Small (Weinheim an der Bergstrasse, Germany), 10(24), 5137-5150 (2014-08-12)
The blood-brain barrier (BBB) remains a formidable obstacle in medicine, preventing efficient penetration of chemotherapeutic and diagnostic agents to malignant gliomas. Here, a transactivator of transcription (TAT) peptide-modified gold nanoparticle platform (TAT-Au NP) with a 5 nm core size is...

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