About This Item
Fórmula empírica (Notação de Hill):
C5H2Cl3N
Número CAS:
Peso molecular:
182.44
Número MDL:
Código UNSPSC:
12352100
ID de substância PubChem:
NACRES:
NA.22
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Nível de qualidade
Ensaio
98%
pf
75-77 °C (dec.) (lit.)
grupo funcional
chloro
cadeia de caracteres SMILES
Clc1cncc(Cl)c1Cl
InChI
1S/C5H2Cl3N/c6-3-1-9-2-4(7)5(3)8/h1-2H
chave InChI
KKWRVUBDCJQHBZ-UHFFFAOYSA-N
Descrição geral
3,4,5-Trichloropyridine is a pyridine derivative. It undergoes oxidation with trifluoroacetic anhydride (TFAA) in the presence of hydrogen peroxide urea complex.
Aplicação
3,4,5-Trichloropyridine may be employed as a secondary standard in quantitative NMR (qNMR) studies.
Palavra indicadora
Warning
Frases de perigo
Declarações de precaução
Classificações de perigo
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Órgãos-alvo
Respiratory system
Código de classe de armazenamento
11 - Combustible Solids
Classe de risco de água (WGK)
WGK 3
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
Equipamento de proteção individual
dust mask type N95 (US), Eyeshields, Gloves
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A practical, efficient, and rapid method for the oxidation of electron deficient pyridines using trifluoroacetic anhydride and hydrogen peroxide-urea complex.
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Standards are required in quantitative NMR (qNMR) to obtain accurate and precise results. In this study acetanilide was established and used as a primary standard. Six other chemicals were selected as secondary standards: 3,4,5-trichloropyridine, dimethylterephthalate, maleic acid, 3-sulfolene, 1,4-bis(trimethylsilyl)benzene, and
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