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Merck
CN

74202

四甲基氯化铵

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

别名:

TMA

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线性分子式:
(CH3)4N(Cl)
化学文摘社编号:
75-57-0
分子量:
109.60
UNSPSC Code:
23151817
NACRES:
NB.21
PubChem Substance ID:
329765550
EC Number:
200-880-8
Beilstein/REAXYS Number:
3911201
MDL number:
MFCD00011628

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产品名称

四甲基氯化铵, suitable for ion pair chromatography, LiChropur™, ≥99.0% (AT)

InChI

1S/C4H12N.ClH/c1-5(2,3)4;/h1-4H3;1H/q+1;/p-1

InChI key

OKIZCWYLBDKLSU-UHFFFAOYSA-M

SMILES string

[Cl-].C[N+](C)(C)C

description

cationic

assay

≥99.0% (AT)

form

crystals

quality

LiChropur™

technique(s)

ion pair chromatography: suitable

mp

>300 °C (lit.)

λ

10 % in H2O

UV absorption

λ: 220 nm Amax: 0.05
λ: 230 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 RP gradient test
corresponds to standard for filter test

Quality Level

100

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相关类别

Application

TMAC可用于离子交换程序中，以显示pH的增加，以使用Knoevenagel缩合模型了解催化剂[CTA]Si-MCM-41的化学行为。

General description

四甲基氯化铵(TMAC)在结构上类似于烷基三甲基铵盐。TMAC的氧化产生甲醛和三甲胺。由于它不溶于有机介质，因此被认为是大多数反应的不良相转移催化剂。但是，它非常适合作为相转移催化剂，与碱金属氟化物一起氟化氯苯甲醛，从而产生1,2,2,2-四氟乙基二氟甲基醚。

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

signalword

Danger

Hazard Classifications

Acute Tox. 2 Oral - Acute Tox. 3 Dermal - Aquatic Chronic 2 - Skin Irrit. 2 - STOT SE 1 Oral

target_organs

Central nervous system

存储类别

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCL6108
BCCJ0877
BCCJ0878
BCBV0084
BCBR8642V

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Surfactant containing Si-MCM-41: An efficient basic catalyst for the Knoevenagel condensation.
Martins, Leandro, et al.
Applied Catalysis A: General, 312, 77-85 (2006)
Fundamentals, Applications, and Industrial Perspectives
C.M. Starks, M. Halper
Phase Transfer Catalysis (Academic Press), 182 -182 (2012)
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The Fbw7 tumor suppressor targets a broad network of proteins for ubiquitylation. Here we show critical functions for Fbw7 dimerization in regulating the specificity and robustness of degradation. Dimerization enables Fbw7 to target substrates through concerted binding to two suboptimal
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Chemical communications (Cambridge, England), 49(73), 8114-8116 (2013-08-08)
A simple and low-cost colorimetric assay utilizing ferrofluidic nanoparticulate probes (FNPs) and a ligase for single-nucleotide polymorphism genotyping is described. Excellent sensitivity and selectivity were accomplished through the engagement of the FNPs and a ligase chain reaction.
Marco I Ries et al.
The Journal of biological chemistry, 288(52), 37289-37295 (2013-11-15)
Metabolic profiling and structural elucidation of novel secondary metabolites obtained from derived deletion strains of the filamentous fungus Penicillium chrysogenum were used to reassign various previously ascribed synthetase genes of the roquefortine/meleagrin pathway to their corresponding products. Next to the
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