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Tetramethyl pyrazine Basic informationes

Descriptio Chemical Characteres Usus Praeparatio References

Product nomen:	Tetramethyl pyrazine
CAS;	1124-11-4
MF:	C8H12N2
MW:	136.19
EINECS:	214-391-2
Mol fasciculi:	1124-11-4.

Tetramethyl pyrazine Chemical Properties

punctum liquescens	77-80 °C(lit.)
fervens	190 °C(lit.)
density	1.08
FEMA	3237 \| 2,3,5,6-TETRAMETHYLPYRAZINE
refractivus index	1.5880 (aestima)
Fp	128-130°C/200mm
repono temp.	Repone infra +30°C.
solubility	4g/l*
pka	3.20 ± 0.10 (Predicta)
forma	tersus
Aqua Solubility	Solutum in aqua (4 g/L in 20°C).
JECFA Number	780
BRN	113100
Stabilitas:	Stabulum. repugnet cum acida valida, agentia oxidizing fortis.
InChIKey	FINHMKGKINIASC-UHFFFAOYSA-N
CAS Reference	1124-11-4 (CAS Reference)
NIST Chemia Reference	Pyrazine, tetramethyl- (1124-11-4).
EPA Substantia Registry System	Tetramethylpyrazine (1124-11-4)

Pyrazine Tetramethyl;

Periculum Codes	Xn, Xi
Periculum Denunciationes	22-37/38-41-36/37/38
Salus Denunciationes	26-39-24/25-37/39-36
WGK Germania	3
RTECS	UQ3905000
TSCA	Ita
HS Code	29339990

Tetramethyl pyrazine Ritus

Chemical Characteristic	Crystallum album or puluerem. Cum odore taurino et axungia calefacta et saporis soybeani fermentati. It olfacit scelerisque saporem dilutum ad 20mg/kg. Fervens punctum 190℃ est. Punctum ustum inter 84 et 86℃ est. Solutum in ethanolo, maxime non volatile olea et glycol propylene, in aqua modice solutum. Naturalia producta sunt in guava, bubula, coca, capulus, squilla et alia huiusmodi.
Chemical Properties	alba crystallis or * pulvis
Chemical Properties	2,3,5,6-Tetramethylpyrazine habet putridum, fermentatum, capulus odoris
Eventum	Nuntiavit in * Gallica frixum annuum, piper campana, panis triticeus, caseus emmentalis, caseus Helveticus; caseus camemberti, caseus Gruyere, bubulus coctus et coctus, tosta et assatus bubula, bubula frixa, agnum coctum et ovillum, agnum et iecur ovillum, rhoncus et suilla assata uncured, cerevisia, tea nigra, tea viridis. Etiam nunc nuntiavit Cocos products, capulus, lacticiniis, oatmeal, galbanum oleum, assatum peanuts, soybean, fabam, fungus, trassi, coriandrum semen, rice furfures, trassi, sukiyaki, soy liquamen, brasium, licorice, bonito aridum, oryza, squilla, cancer; clam, pectine, avellane, rum, causa, vinum, cupam, burley tabaci et soy producta.
usus	Plerumque in investigationes et curationes multarum perturbationum.
Definition	Chebi: Sodalis pyrazine genus id est pyrazinum in quo omnes quaterni hydrogenii fuerunt locum yl coetibus. Alkaloid extractum ex Chuanxiong (Ligusticum wallichii).
Praeparatio	From2,5-dimethylpyrazine per circulum alkylationwithMeLi; etiam condensatione 2,3 butanedione cum 2,3-butanediamine.
Aroma limina values	Deprehensio: 1 ad 10 ppm. Aroma notae ad 1.0%: leviter putridum, nutty, Cocos simile cum a vanilla undernote
Gustus limina values	Sapor habet ad X ppm: infirma, nutty, putrida Cocos et scelerisque, sicut cum excoquatur capulus nuances.
salus Profile	Venenum by intravenous and intraperitoneal routes. Mediocriter toxicus per ingestionem. cum calefacta compositione emittit NOx toxici fumos.

Tetramethyl pyrazine Praeparatio Products Et Rudis Materiae

Rudis materiae

Sodium nitritum-->2,3-Butanedione-->Acetylacetonum-->1,4-DIAMINOBUTANE-->Ethyl nitritum-->2-Methylpyrazinum

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