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2,3-Diethyl-5-methylpyrazine

2,3-Diethyl-5-methylpyrazine Structure
CAS No.
18138-04-0
Chemical Name:
2,3-Diethyl-5-methylpyrazine
Synonyms
FEMA 3336;FEMA NUMBER 3336;hazelnut pyrazine;2,3-Diethyl-5-Methyl;Diethyl-5-Methylpyraz;LABOTEST-BB LT00453041;2.3.5.6-four Methylpyrazine;2-METHYL-5,6-DIETHYLPYRAZINE;2,3-DIETHYL-6-METHYLPYRAZINE;2,3-DIETHYL-5-METHYLPYRAZINE
CBNumber:
CB9375970
Molecular Formula:
C9H14N2
Molecular Weight:
150.22
MOL File:
18138-04-0.mol
MSDS File:
SDS
Modify Date:
2024/7/26 17:49:17

2,3-Diethyl-5-methylpyrazine Properties

Boiling point 95 °C (20 mmHg)
Density 0.949 g/mL at 25 °C (lit.)
refractive index n20/D 1.498(lit.)
FEMA 3336 | 2,3-DIETHYL-5-METHYLPYRAZINE
Flash point 176 °F
storage temp. 2-8°C
solubility Chloroform, Methanol
pka 2?+-.0.10(Predicted)
Specific Gravity 0.950.949
color Clear Colourless
Odor at 0.10 % in dipropylene glycol. musty nut skin earthy roasted hazelnut toasted potato dusty foliage vegetable
Odor Type musty
Water Solubility SLIGHTLY SOLUBLE
JECFA Number 777
LogP 2.16
CAS DataBase Reference 18138-04-0(CAS DataBase Reference)
NIST Chemistry Reference Pyrazine, 2,3-diethyl-5-methyl-(18138-04-0)
EPA Substance Registry System Pyrazine, 2,3-diethyl-5-methyl- (18138-04-0)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302+H312+H332
Precautionary statements  P261-P264-P280-P301+P312-P302+P352+P312-P304+P340+P312
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36/37/39
RIDADR  NA 1993 / PGIII
WGK Germany  3
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29339900
NFPA 704
2
0 0

2,3-Diethyl-5-methylpyrazine price More Price(6)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) W333603 2,3-Diethyl-5-methylpyrazine 99%, FG 18138-04-0 1SAMPLE-K ₹5141.88 2022-06-14 Buy
Sigma-Aldrich(India) W333603 2,3-Diethyl-5-methylpyrazine 99%, FG 18138-04-0 100G ₹18110.23 2022-06-14 Buy
Sigma-Aldrich(India) W333603 2,3-Diethyl-5-methylpyrazine 99%, FG 18138-04-0 1KG ₹130809.3 2022-06-14 Buy
Sigma-Aldrich(India) 293814 2,3-Diethyl-5-methylpyrazine 99% 18138-04-0 5G ₹3388.23 2022-06-14 Buy
TCI Chemicals (India) D1714 2,3-Diethyl-5-methylpyrazine min. 97.0 % 18138-04-0 5ML ₹3000 2022-05-26 Buy
Product number Packaging Price Buy
W333603 1SAMPLE-K ₹5141.88 Buy
W333603 100G ₹18110.23 Buy
W333603 1KG ₹130809.3 Buy
293814 5G ₹3388.23 Buy
D1714 5ML ₹3000 Buy

2,3-Diethyl-5-methylpyrazine Chemical Properties,Uses,Production

Chemical Properties

2,3-Diethyl-5-methylpyrazine has a nutty, roasted, vegetable aroma.

Occurrence

Reported to be present in coffee, filberts, potato products, Parmesan cheese, chicken, beef, pork, cocoa, peanuts, popcorn, sesame seed and corn tortillas.

Uses

2,3-Diethyl-5-methylpyrazine is a volatile compound found in food such as almonds and swiss cheese.

Preparation

By condensation of 3,4-hexanedione with propylene diamine.

General Description

2,3-Diethyl-5-methylpyrazine has been identified as a potent odorant in coffee sample and has been evaluated by gas chromatography-olfactometry of decreasing headspace samples.

2,3-Diethyl-5-methylpyrazine Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 240)Suppliers
Supplier Tel Country ProdList Advantage Inquiry
TCI Chemicals (India) Pvt. Ltd. 1800 425 7889 New Delhi, India 6778 58 Inquiry
Santo Righello Pvt. Ltd 91-9885571757 Hyderabad, India 919 58 Inquiry
Hebei Guanlang Biotechnology Co,.LTD +86-19930503253; +8619930503252 China 5832 58 Inquiry
Henan Fengda Chemical Co., Ltd +86-371-86557731 +86-13613820652 China 20297 58 Inquiry
JINING XINHE CHEMICAL CO., LTD +8615318402391 China 807 58 Inquiry
Capot Chemical Co.,Ltd. 571-85586718 +8613336195806 China 29798 60 Inquiry
Henan Tianfu Chemical Co.,Ltd. +86-0371-55170693 +86-19937530512 China 21669 55 Inquiry
career henan chemical co +86-0371-86658258 +8613203830695 China 29898 58 Inquiry
Jinan Finer Chemical Co., Ltd +86-531-88989536 +86-15508631887 China 2967 58 Inquiry
Hebei Guanlang Biotechnology Co., Ltd. +86-19930503282 China 8822 58 Inquiry
2,3-diethyl-5-methyl-pyrazin 5-Methyl-2,3-diethylpyrazine Pyrazine, 2,3-diethyl-5-methyl- LABOTEST-BB LT00453041 FEMA 3336 FEMA NUMBER 3336 2,3-DIETHYL-5-METHYLPYRAZINE 2,3-DIETHYL-6-METHYLPYRAZINE 2-METHYL-5,6-DIETHYLPYRAZINE 2 3-DIETHYL-5-METHYLPYRAZINE 97+% 2,3-Diethyl-5-methylpyrazine, 98+% Pyrazine, 2,3-diethyl-5-methyl- (8CI,9CI) diethylmethylpyrazine,2,3-diethyl-5-methylpyrazine 2,3-Diethyl-5-methylpyrazine,99% 2,3-Diethyl-5-Methyl 2.3.5.6-four Methylpyrazine Diethyl-5-Methylpyraz 2.3-Dimethy-5-methyl pryazine Food additive in Chocolate 2,3-Diethyl-5-methylpyrazine 18138-04-0 2.3-Dimethyl-5-Methyl Pyrazine 2,3-Diethyl-5-methylpyrazine> 2,3-Diethyl-5-methylpyrazine USP/EP/BP hazelnut pyrazine 2,3-Diethyl-5-methylpyrazine with high purity CAS 18138-04-0 18138-04-0 18138-04 Building Blocks Heterocyclic Building Blocks Mono- & Polyalkylpyrazines Pyrazines Building Blocks Chemical Synthesis Heterocyclic Building Blocks Alphabetical Listings C-D Flavors and Fragrances Building Blocks Heterocyclic Building Blocks PIPERIDINE Pyrazine Heterocyclic Compounds Mono- & Polyalkylpyrazines Pyrazines pyrazine Flavor