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
- Molecular Weight:
- 150.22
- MDL Number:
- MFCD00009635
- MOL File:
- 18138-04-0.mol
- MSDS File:
- SDS
Boiling point | 95 °C (20 mmHg) |
---|---|
Density | 0.949 g/mL at 25 °C (lit.) |
refractive index |
n |
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 |
Substances Added to Food (formerly EAFUS) | 2,3-DIETHYL-5-METHYLPYRAZINE |
CAS DataBase Reference | 18138-04-0(CAS DataBase Reference) |
FDA UNII | 530763R0AP |
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 |
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---|---|---|---|---|---|---|---|---|---|---|
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 |
|
2,3-Diethyl-5-methylpyrazine price More Price(33)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
Sigma-Aldrich | W333603 | 2,3-Diethyl-5-methylpyrazine 99%, FG | 18138-04-0 | 100g | $175 | 2024-03-01 | Buy |
Sigma-Aldrich | W333603 | 2,3-Diethyl-5-methylpyrazine 99%, FG | 18138-04-0 | 1kg | $1260 | 2024-03-01 | Buy |
Sigma-Aldrich | 293814 | 2,3-Diethyl-5-methylpyrazine 99% | 18138-04-0 | 5g | $19.98 | 2024-03-01 | Buy |
TCI Chemical | D1714 | 2,3-Diethyl-5-methylpyrazine >97.0%(GC) | 18138-04-0 | 5mL | $68 | 2024-03-01 | Buy |
TCI Chemical | D1714 | 2,3-Diethyl-5-methylpyrazine >97.0%(GC) | 18138-04-0 | 25mL | $181 | 2024-03-01 | Buy |
2,3-Diethyl-5-methylpyrazine Chemical Properties,Uses,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
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Hebei Chuanghai Biotechnology Co,.LTD | +86-13131129325 | sales1@chuanghaibio.com | China | 5867 | 58 |
Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20294 | 58 |
JINING XINHE CHEMICAL CO., LTD | +8615318402391 | sales@xinhepharma.com | China | 808 | 58 |
Capot Chemical Co.,Ltd. | 571-85586718 +8613336195806 | sales@capotchem.com | China | 29798 | 60 |
Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21667 | 55 |
career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29888 | 58 |
Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28180 | 58 |
Jinan Finer Chemical Co., Ltd | +86-531-88989536 +86-15508631887 | sales@finerchem.com | China | 2966 | 58 |
Hebei Guanlang Biotechnology Co., Ltd. | +86-19930503282 | alice@crovellbio.com | China | 8821 | 58 |
Xiamen AmoyChem Co., Ltd | +86-592-6051114 +8618959220845 | sales@amoychem.com | China | 6387 | 58 |
View Lastest Price from 2,3-Diethyl-5-methylpyrazine manufacturers
Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
---|---|---|---|---|---|---|---|---|
2024-08-20 | 2 3-Diethyl-5-Methylpyrazine
18138-04-0
|
US $5.00-2.00 / KG | 1KG | 99% | 10000kg | Hebei Chuanghai Biotechnology Co,.LTD | ||
2024-07-21 | 2,3-Diethyl-5-methylpyrazine
18138-04-0
|
US $0.00-0.00 / kg | 1kg | 99% | 10ton | JINING XINHE CHEMICAL CO., LTD | ||
2024-04-29 | 2,3-Diethyl-5-methylpyrazine
18138-04-0
|
US $36.00-1.20 / kg | 1kg | 99% | g-kg-tons, free sample is available | Henan Fengda Chemical Co., Ltd |
- 2 3-Diethyl-5-Methylpyrazine
18138-04-0
- US $5.00-2.00 / KG
- 99%
- Hebei Chuanghai Biotechnology Co,.LTD
- 2,3-Diethyl-5-methylpyrazine
18138-04-0
- US $0.00-0.00 / kg
- 99%
- JINING XINHE CHEMICAL CO., LTD
- 2,3-Diethyl-5-methylpyrazine
18138-04-0
- US $36.00-1.20 / kg
- 99%
- Henan Fengda Chemical Co., Ltd
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