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175420

Sigma-Aldrich

2,5-Dimethylpyrazine

98%

Sinônimo(s):

2,5-Dimethylpyrazine

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About This Item

Fórmula empírica (Notação de Hill):
C6H8N2
Número CAS:
123-32-0
Peso molecular:
108.14
Beilstein:
107052
Número CE:
204-618-3
Número MDL:
MFCD00006147
Código UNSPSC:
12352100
ID de substância PubChem:
24850501
NACRES:
NA.22

Nível de qualidade

100

Ensaio

98%

Formulário

liquid

índice de refração

n20/D 1.502 (lit.)

p.e.

155 °C (lit.)

densidade

0.99 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

Cc1cnc(C)cn1

InChI

1S/C6H8N2/c1-5-3-8-6(2)4-7-5/h3-4H,1-2H3

chave InChI

LCZUOKDVTBMCMX-UHFFFAOYSA-N

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Categorias relacionadas

Pictogramas

Exclamation mark
GHS07

Palavra indicadora

Warning

Frases de perigo

H302

Declarações de precaução

P301 + P312 + P330

Classificações de perigo

Acute Tox. 4 Oral

Código de classe de armazenamento

10 - Combustible liquids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

147.2 °F - closed cup

Ponto de fulgor (°C)

64 °C - closed cup

Equipamento de proteção individual

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Escolha uma das versões mais recentes:

Certificados de análise (COA)

Lot/Batch Number
MKBC7774
S30623
15119EI
10411EG
04931KU

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trans-2,5-Dimethylpiperazine 98%

Sigma-Aldrich

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trans-2,5-Dimethylpiperazine

5-Methyl-2-pyrazinecarboxylic acid 98%

Sigma-Aldrich

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5-Methyl-2-pyrazinecarboxylic acid

2,3,5,6-Tetramethylpyrazine analytical standard

Supelco

95162

2,3,5,6-Tetramethylpyrazine

2,3-Diethyl-5-methylpyrazine 99%

Sigma-Aldrich

293814

2,3-Diethyl-5-methylpyrazine

2-Methoxycinnamaldehyde natural, 98%, FG

Sigma-Aldrich

W318101

2-Methoxycinnamaldehyde

2,3,5-Trimethylpyrazine ≥99%, FCC, FG

Sigma-Aldrich

W324418

2,3,5-Trimethylpyrazine

Pyrazine and 2, 5-dimethylpyrazine complexes of copper (I) trifluoromethanesulfonate. The crystal and molecular structure of poly-μ-2, 5-dimethylpyrazine-(2, 5-dimethylpyrazine)-(trifluoromethanesulfonato-O) copper (I).
Canadian Journal of Chemistry, 68(10), 1901-1907 (1990)
Stephanie Pickard et al.
Journal of agricultural and food chemistry, 61(26), 6274-6281 (2013-06-12)
A stable isotope dilution analysis based on gas chromatography-mass spectrometry analysis (SIDA-GC-MS) was developed for the quantitative analysis of 12 alkylpyrazines found in commercially available coffee samples. These compounds contribute to coffee flavor. The accuracy of this method was tested
Roger N Thompson et al.
Chemical senses, 31(7), 613-619 (2006-06-08)
The social and reproductive behaviors of most mammals are modulated by pheromones, which are perceived by the vomeronasal organ (VNO). Vomeronasal transduction in vertebrates is activated through G-protein-coupled receptors, which in turn leads to the generation of inositol 1,4,5-trisphosphate (IP(3))
Katharina Mamasuew et al.
Chemical senses, 36(3), 271-282 (2010-12-15)
Based on a variety of recent findings, the Grueneberg ganglion (GG) in the vestibule of the nasal cavity is considered as an olfactory compartment. However, defined chemical substances that activate GG neurons have not been identified. In this study, the
Andrew M Duffin et al.
The journal of physical chemistry. A, 111(51), 13330-13338 (2007-12-01)
The quantum yield for HCN formation via 248 nm photodissociation of 2,3-, 2,5-, and 2,6-dimethylpyrazine (DMP, C6N2H8) was measured using diode laser probing of the HCN photoproduct. The total quantum yield is phi = 0.039 +/- 0.07, 0.14 +/- 0.02
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Protocolos

GC Analysis of Pyrazines in Peanut Butter

Separation of 2-Ethyl-3-methylpyrazine; 1-Methylpyrrole; 2,3-Dimethylpyrazine; 2,5-Dimethylpyrazine; 2-Ethylpyrazine, ≥98%, FG; 2,3-Diethylpyrazine; 2-Methylpyrazine; Carbon disulfide; Dimethyl disulfide; 2,6-Dimethylpyrazine

GC Analysis of Volatiles in Roasted Coffee Beans on Omegawax® after SPME using a 50/30 µm DVB/Carboxen/PDMS Fiber

-Cymene; 2,5-Dimethylpyrrole; Acetoin, ≥96%, FCC, FG; 2,5-Dimethylpyrazine; 2,6-Dimethylpyrazine; 2-Ethylpyrazine, ≥98%, FG; 2,3-Dimethylpyrazine; 4-Heptanone; 3-Ethylpyridine; 2,3,5-Trimethylpyrazine; Furfural; Pyrrole; Furfuryl acetate; Linalool; Linalyl acetate; 5-Methylfurfural; γ-Butyrolactone; 2-Acetyl-1-methylpyrrole; Furfuryl alcohol; 2-Acetylpyrrole; Pyrrole-2-carboxaldehyde

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