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13925-06-9

2-Isobutyl-3-methylpyrazine is a synthetic compound that is created through the condensation of ethylenediamine with 5-methyl-2,3-hexanedione. It is a liquid with extremely powerful herbaceous, green, and earthy notes, and it has a characteristic odor of green bell peppers. 2-ISOBUTYL-3-METHYLPYRAZINE is known for its extremely low aroma threshold values, with a detection range of 13 to 35 ppb.

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  • 13925-06-9 Structure

  • Basic information

    1. Product Name: 2-ISOBUTYL-3-METHYLPYRAZINE
    2. Synonyms: FEMA NUMBER 3133;FEMA 3133;2-ISOBUTYL-3-METHYLPYRAZINE;2-METHYL-3-ISOBUTYLPYRAZINE;2-methyl-3-(2-methylpropyl)-pyrazin;2-methyl-3-(2-methylpropyl)-Pyrazine;2-ISOBUTYL-3-METHYLPYRAZINE 99+%;Pyrazine, 2-methyl-3-(2-methylpropyl)-
    3. CAS NO:13925-06-9
    4. Molecular Formula: C9H14N2
    5. Molecular Weight: 150.22
    6. EINECS: 237-693-6
    7. Product Categories: Mono- & Polyalkylpyrazines;Pyrazines;Alphabetical Listings;Flavors and Fragrances;I-L
    8. Mol File: 13925-06-9.mol
    9. Article Data: 4

  • Chemical Properties

    1. Melting Point: 74 °C
    2. Boiling Point: 199 °C(lit.)
    3. Flash Point: 180 °F
    4. Appearance: Colorless crystal
    5. Density: 0.942 g/mL at 25 °C(lit.)
    6. Vapor Pressure: 0.302mmHg at 25°C
    7. Refractive Index: n20/D 1.492(lit.)
    8. Storage Temp.: Sealed in dry,Room Temperature
    9. Solubility: N/A
    10. PKA: 1.88±0.10(Predicted)
    11. CAS DataBase Reference: 2-ISOBUTYL-3-METHYLPYRAZINE(CAS DataBase Reference)
    12. NIST Chemistry Reference: 2-ISOBUTYL-3-METHYLPYRAZINE(13925-06-9)
    13. EPA Substance Registry System: 2-ISOBUTYL-3-METHYLPYRAZINE(13925-06-9)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: 24/25
    4. WGK Germany: 3
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 13925-06-9(Hazardous Substances Data)

13925-06-9 Usage

Uses

Used in Flavor and Fragrance Industry:
2-Isobutyl-3-methylpyrazine is used as a flavoring agent for its powerful herbaceous, green, and earthy notes. It is particularly effective in enhancing the taste and aroma of various food products, such as coffee, potato products, cooked beef, fried cured pork, and roasted peanuts.
Used in Perfumery:
2-Isobutyl-3-methylpyrazine is also used as a fragrance ingredient in the perfumery industry. Its characteristic odor of green bell peppers can add a unique and fresh scent to various perfumes and colognes.
Used in Chemical Research:
Due to its unique chemical properties and extremely low aroma threshold values, 2-Isobutyl-3-methylpyrazine is also used in chemical research for studying the effects of various compounds on human olfactory perception and for developing new methods of flavor and fragrance synthesis.

Preparation

By condensation of ethylenediamine with 5-methyl-2,3-hexandione

Check Digit Verification of cas no

The CAS Registry Mumber 13925-06-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,9,2 and 5 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 13925-06:
(7*1)+(6*3)+(5*9)+(4*2)+(3*5)+(2*0)+(1*6)=99
99 % 10 = 9
So 13925-06-9 is a valid CAS Registry Number.
InChI:InChI=1/C9H14N2/c1-7(2)6-9-8(3)10-4-5-11-9/h4-5,7H,6H2,1-3H3

13925-06-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-Isobutyl-3-methylpyrazine

1.2 Other means of identification

Product number -
Other names 2-ISOBUTYL-3-METHYLPYRAZINE

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Food additives -> Flavoring Agents
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:13925-06-9 SDS

13925-06-9Relevant articles and documents

Synthesis and pyrolysis of two flavor precursors of oct-1-en-3-yl methylpyrazinecarboxylates

Lai, Miao,Ji, Xiaoming,Tao, Tao,Shan, Yuanyuan,Liu, Pengfei,Zhao, Mingqin

, p. 1627 - 1638 (2017/05/19)

To rich flavor additive species of pyrazines, two new compounds of 3,6-dimethyl-2,5-pyrazinedicarboxylic acid 1-octen-3-yl ester (DMPOE) and 3,5,6-trimethyl-2-pyrazinecarboxylic acid 1-octen-3-yl ester (TMPOE) were synthesized by KMnO4 oxidatio

Ueber die Synthese von 2,3-Dialkylpyrazinen

Heyns, Kurt,Behse, Ernst,Francke, Wittko

, p. 240 - 245 (2007/10/02)

2,3-Dialkylquinoxalines (4), which are available from the reaction of benzofuroxan (1) with ketones and subsequent reduction of the 2,3-dialkylquinoxaline N,N'-dioxides (3), are converted to 2,3-dialkylpyrazines (6) by oxidation-decarboxylation steps.

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