ChemicalBook > CAS DataBase List > 2-Amino-3-methylpyrazine

2-Amino-3-methylpyrazine

Product Name
2-Amino-3-methylpyrazine
CAS No.
19838-08-5
Chemical Name
2-Amino-3-methylpyrazine
Synonyms
(S)-HEXAHYDROPYRRO...;3-Methyl-2-pyrazinamine;3-methylpyrazin-2-amine;2-Methyl-3-aMinopyrazine;2-Pyrazinamine,3-methyl-;2-AMINO-3-METHYLPYRAZINE;3-METHYLPYRAZIN-2-YLAMINE;2-Amino-3-methylpyrazine,95%;3-Methylpyrazin-2-amine 97%;2-Amino-3-methylpyrazine, 94%
CBNumber
CB9836677
Molecular Formula
C5H7N3
Formula Weight
109.13
MOL File
19838-08-5.mol
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2-Amino-3-methylpyrazine Property

Melting point:
165-167 °C
Boiling point:
194.6°C (rough estimate)
Density 
1.1118 (rough estimate)
refractive index 
1.5340 (estimate)
storage temp. 
under inert gas (nitrogen or Argon) at 2–8 °C
pka
3.56±0.10(Predicted)
form 
Solid
Appearance
White to yellow Solid
InChI
InChI=1S/C5H7N3/c1-4-5(6)8-3-2-7-4/h2-3H,1H3,(H2,6,8)
InChIKey
VQPHZDDLWFHRHR-UHFFFAOYSA-N
SMILES
C1(N)=NC=CN=C1C
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Safety

HS Code 
2933998090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

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

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

TRC
Product number
A614650
Product name
2-Amino-3-methylpyrazine
Packaging
100mg
Price
$45
Updated
2021/12/16
TRC
Product number
A614650
Product name
2-Amino-3-methylpyrazine
Packaging
500mg
Price
$110
Updated
2021/12/16
Apolloscientific
Product number
OR301244
Product name
3-Methylpyrazin-2-amine
Purity
97%
Packaging
10g
Price
$572
Updated
2021/12/16
Matrix Scientific
Product number
072098
Product name
2-Amino-3-methylpyrazine
Purity
95+%
Packaging
25g
Price
$990
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0066499
Product name
2-AMINO-3-METHYL PYRAZINE
Purity
95.00%
Packaging
1G
Price
$1034.88
Updated
2021/12/16
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2-Amino-3-methylpyrazine Chemical Properties,Usage,Production

Synthesis

95-58-9

19838-08-5

The general procedure for the synthesis of 2-amino-3-methylpyrazine from 2-chloro-3-methylpyrazine was as follows: a mixture of 2-chloro-3-methylpyrazine (7 g, 54.69 mmol) and 25% ammonia (100 mL) was placed in a sealed tube, heated to 160 °C and reacted for 24 hours. After completion of the reaction, the mixture was cooled to room temperature and extracted with ethyl acetate (3 x 200 mL). The organic phases were combined, dried over anhydrous sodium sulfate, and subsequently concentrated under reduced pressure to give 2.18 g (89% yield) of 3-methylpyrazin-2-amine as a yellow solid. m/z 110 ([M+H]+) by LCMS.

References

[1] Patent: WO2009/29625, 2009, A1. Location in patent: Page/Page column 67
[2] Patent: WO2005/120513, 2005, A1. Location in patent: Page/Page column 15; 16
[3] Patent: WO2006/131003, 2006, A1. Location in patent: Page/Page column 17
[4] Synthesis, 1994, # 9, p. 931 - 934
[5] Patent: WO2010/83617, 2010, A1. Location in patent: Page/Page column 62

2-Amino-3-methylpyrazine Preparation Products And Raw materials

Raw materials

Preparation Products

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2-Amino-3-methylpyrazine Suppliers

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View Lastest Price from 2-Amino-3-methylpyrazine manufacturers

Career Henan Chemical Co
Product
2-Amino-3-methylpyrazine 19838-08-5
Price
US $1.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
150KG
Release date
2019-07-01

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