2,3-Diethyl-5-methylpyrazine

Product Name: 2,3-Diethyl-5-methylpyrazine
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
Formula Weight: 150.22
MOL File: 18138-04-0.mol

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2,3-Diethyl-5-methylpyrazine Property

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)
color: Clear Colourless
Specific Gravity: 0.950.949
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)

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Safety

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

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: W333603
Product name: 2,3-Diethyl-5-methylpyrazine
Purity: 99%, FG
Packaging: 100g
Price: $175
Updated: 2024/03/01

Sigma-Aldrich

Product number: W333603
Product name: 2,3-Diethyl-5-methylpyrazine
Purity: 99%, FG
Packaging: 1kg
Price: $1260
Updated: 2024/03/01

Sigma-Aldrich

Product number: 293814
Product name: 2,3-Diethyl-5-methylpyrazine
Purity: 99%
Packaging: 5g
Price: $19.98
Updated: 2024/03/01

TCI Chemical

Product number: D1714
Product name: 2,3-Diethyl-5-methylpyrazine
Purity: >97.0%(GC)
Packaging: 5mL
Price: $68
Updated: 2024/03/01

TCI Chemical

Product number: D1714
Product name: 2,3-Diethyl-5-methylpyrazine
Purity: >97.0%(GC)
Packaging: 25mL
Price: $181
Updated: 2024/03/01

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

Chemical Properties

CLEAR LIGHT YELLOW LIQUID

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.

Definition

ChEBI: 2,3-Diethyl-5-methylpyrazine is a member of pyrazines.

Preparation

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

Aroma threshold values

Detection: 0.09 to 1 ppb

Taste threshold values

Taste characteristics at 2.5 ppm: musty, toasted; nutty, potato, cocoa, earthy and dirty.

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

1,2-Diaminopropane 3,4-Hexanedione

Preparation Products

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2,3-Diethyl-5-methylpyrazine Suppliers

Americas 1 Belgium 1 China 157 Europe 2 France 1 Germany 5 India 2 Japan 3 Singapore 1 Slovakia 1 South Korea 1 Switzerland 2 The Netherlands 1 United Kingdom 15 United States 44 Global 237

J & K SCIENTIFIC LTD.

Tel: 010-82848833 400-666-7788
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Email: jkinfo@jkchemical.com
Country: China
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Advantage: 76

Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 4006608290; 18621169109
Fax: 86-21-61259102
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Country: China
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future industrial shanghai co., ltd

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Fax: 021-55660885
Email: sales@jonln.com
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Alfa Aesar

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TCI (Shanghai) Development Co., Ltd.

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Energy Chemical

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Shanghai Longsheng chemical Co.,Ltd.

Tel: 021-58099652-8005 13585536065
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Shanghai Hanhong Scientific Co.,Ltd.

Tel: 021-54306202 13764082696;
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jiliang chemicals

Tel: 21-62165282 15801962796;
Fax: 021 61153784
Email: bidingchem@163.com
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View Lastest Price from 2,3-Diethyl-5-methylpyrazine manufacturers

Hebei Guanlang Biotechnology Co,.LTD

Product: 2 3-Diethyl-5-Methylpyrazine 18138-04-0
Price: US $5.00-2.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10000kg
Release date: 2023-03-20

Hebei Guanlang Biotechnology Co., Ltd.

Product: 2,3-Diethyl-5-methylpyrazine 18138-04-0
Price: US $10.00/PCS
Min. Order: 1KG
Purity: 99%
Supply Ability: 100 mt
Release date: 2021-03-11

Henan Aochuang Chemical Co.,Ltd.

Product: 2,3-Diethyl-5-methylpyrazine 18138-04-0
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 98%
Supply Ability: 1Ton
Release date: 2022-09-20

18138-04-0, 2,3-Diethyl-5-methylpyrazineRelated Search:

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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-Dimethyl-5-Methyl Pyrazine

2,3-Diethyl-5-methylpyrazine,99%

2,3-Diethyl-5-Methyl

2.3.5.6-four Methylpyrazine

Diethyl-5-Methylpyraz

2,3-Diethyl-5-methylpyrazine&gt

2,3-Diethyl-5-methylpyrazine USP/EP/BP

hazelnut pyrazine

2,3-Diethyl-5-methylpyrazine with high purity CAS 18138-04-0

2.3-Dimethy-5-methyl pryazine

Food additive in Chocolate 2,3-Diethyl-5-methylpyrazine 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