ChemicalBook >> CAS DataBase List >>2,3-Diethyl-5-methylpyrazine
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
Last updated:2024-04-29 14:28:21
| 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 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 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
Global( 237)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 18232 | 58 |
| Capot Chemical Co.,Ltd. | 571-85586718 +8613336195806 | sales@capotchem.com | China | 29797 | 60 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21689 | 55 |
| career henan chemical co | +86-0371-86658258 | sales@coreychem.com | China | 29914 | 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 | 8822 | 58 |
| Xiamen AmoyChem Co., Ltd | +86-592-6051114 +8618959220845 | sales@amoychem.com | China | 6387 | 58 |
| Hubei xin bonus chemical co. LTD | 86-13657291602 | linda@hubeijusheng.com | CHINA | 22968 | 58 |
| Chongqing Chemdad Co., Ltd | +86-023-61398051 +8613650506873 | sales@chemdad.com | China | 39916 | 58 |
View Lastest Price from 2,3-Diethyl-5-methylpyrazine manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
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 | |
 |
2023-03-21 | 2 3-Diethyl-5-Methylpyrazine
18138-04-0
|
US $5.00-2.00 / KG | 1KG | 99% | 10000kg | Hebei Guanlang Biotechnology Co,.LTD | |
 |
2022-09-21 | 2,3-Diethyl-5-methylpyrazine
18138-04-0
|
US $0.00-0.00 / kg | 1kg | 98% | 1Ton | Henan Aochuang Chemical Co.,Ltd. |
-
- 2,3-Diethyl-5-methylpyrazine
18138-04-0
- US $36.00-1.20 / kg
- 99%
- Henan Fengda Chemical Co., Ltd
-
- 2 3-Diethyl-5-Methylpyrazine
18138-04-0
- US $5.00-2.00 / KG
- 99%
- Hebei Guanlang Biotechnology Co,.LTD
-
- 2,3-Diethyl-5-methylpyrazine
18138-04-0
- US $0.00-0.00 / kg
- 98%
- Henan Aochuang Chemical Co.,Ltd.
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FEMA NUMBER 3336
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2.3-Dimethyl-5-Methyl Pyrazine
2,3-Diethyl-5-methylpyrazine>
2,3-Diethyl-5-methylpyrazine USP/EP/BP
hazelnut pyrazine
2,3-Diethyl-5-methylpyrazine with high purity CAS 18138-04-0
18138-04-0
18138-04
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