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5-diMethyl pyrazine

2,5-dimethylpyrazine

CAS: 123-32-0

Molecular Formula: C6H8N2

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  5. 5-diMethyl pyrazine

5-diMethyl pyrazine - Names and Identifiers

Name 2,5-dimethylpyrazine
Synonyms Ketine
2,5-Dimethylprazin
5-diMethyl pyrazine
2,5-methyl pyrazine
2,5-dimethylpyrazine
2,5-Dimethyl pyrazine
2,5-Dimethyl-1,4-diazine
2,5-DIMETHYL PYRAZINE, NATURAL
2,5-Dimethylpyrazine, Research grade
2,5-Dimethylpyrazine (contains 2,6-isomer)
CAS 123-32-0
EINECS 204-618-3
InChI InChI=1/C6H8N2/c1-5-3-8-6(2)4-7-5/h3-4H,1-2H3

5-diMethyl pyrazine - Physico-chemical Properties

Molecular FormulaC6H8N2
Molar Mass108.14
Density0.99 g/mL at 25 °C (lit.)
Melting Point15°C
Boling Point155 °C (lit.)
Flash Point147°F
JECFA Number766
Solubility Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
Vapor Presure3.98mmHg at 25°C
AppearanceLiquid
Specific Gravity0.990
ColorClear colorless to pale yellow
BRN107052
pKa2.21±0.10(Predicted)
PH7 (H2O)
Storage ConditionInert atmosphere,Room Temperature
SensitiveHygroscopic
Refractive Indexn20/D 1.502(lit.)
Physical and Chemical PropertiesDensity 0.99
boiling point 155°C
refractive index 1.491-1.493
flash point 63°C
UseUsed in the dye and pharmaceutical industry, and also used as a food Spice

5-diMethyl pyrazine - Risk and Safety

Risk CodesR22 - Harmful if swallowed
R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
UN IDsNA 1993 / PGIII
WGK Germany3
RTECSUQ2800000
TSCAYes
HS Code29339990
Hazard NoteIrritant

5-diMethyl pyrazine - Reference Information

FEMA3272 | 2,5-DIMETHYLPYRAZINE
NIST chemical information information provided by: webbook.nist.gov (external link)
EPA chemical substance information information provided by: ofmpeb.epa.gov (external link)
Use GB 2760-96 is the food flavor permitted. Mainly used in the preparation of cocoa, coffee, peanuts, meat, nuts and potato flavor.
The product presents a pungent aroma of fried flowers and a smell of chocolate and cream. Is our GB- 2760-86 provisions for the permitted use of spices. Mainly used in the preparation of cocoa, coffee, meat, nuts and potato flavor. It can also be used in the dye and pharmaceutical industries.
used in the dye and pharmaceutical industry, also used as food flavor
production method acrolein is reacted with ammonia in glycerol by heating in the presence of an ammonium salt.
The interaction between acrolein and ammonia in the presence of ammonium salt when heated in glycerol.
Last Update:2024-04-09 21:32:02
5-diMethyl pyrazine
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Email: pules.cn@gmail.com
Mobile: +86-17551318830
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Tel: 0086-551-65418684
Email: sales@tnjchem.com
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