2-Methoxy-3-isobutyl pyrazine
- CAS NO.:24683-00-9
- Empirical Formula: C9H14N2O
- Molecular Weight: 166.22
- MDL number: MFCD00006128
- EINECS: 246-402-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:08:52
What is 2-Methoxy-3-isobutyl pyrazine?
Description
2-Isobutyl-3-methoxypyrazine has an extremely powerful odor with a reported threshold value of 2 parts per trillion in water. Diluted water solutions exhibit a characteristic odor of green bell peppers. May be synthesized by condensation of leucine amide with glyoxal, followed by methylation with CH2H2.
Chemical properties
CLEAR COLOURLESS LIQUID
Chemical properties
2-Isobutyl-3-methoxypyrazine has a green bell pepper, green pea odor. Diluted water solutions of this compound exhibit a characteristic odor of green bell peppers.
Occurrence
Reported present in green bell pepper, coffee, galbanum oil, potato products, peas, grapes, lettuce, sherry, white wine, cocoa, beans, beetroot, passion fruit and okra.
The Uses of 2-Methoxy-3-isobutyl pyrazine
2-Isobutyl-3-methoxypyrazine has been employed as a model odorant molecule during an electrochemical assay for the detection of odorant molecules based on a rat odorant-binding protein (rOBP3).
What are the applications of Application
2-Isobutyl-3-methoxypyrazine is a useful molecul for electrochemical assay for the detection of odorant molecules
Preparation
By condensation of leucine amide with glyoxal followed by methylation with CH2H2
Aroma threshold values
Detection: 2 ppt to 10 ppb
General Description
2-Isobutyl-3-methoxypyrazine, a potent bell-pepper odourant, has been found to bind to cow olfactory mucosa homogenate.
Properties of 2-Methoxy-3-isobutyl pyrazine
Boiling point: | 294.44°C (rough estimate) |
Density | 0.99 g/mL at 25 °C(lit.) |
refractive index | n |
FEMA | 3132 | 2-ISOBUTYL-3-METHOXYPYRAZINE |
Flash point: | 176 °F |
storage temp. | room temp |
form | Liquid |
pka | 0.80±0.10(Predicted) |
Specific Gravity | 0.995 |
color | Clear colorless |
Odor | green-pepper odor FCT 2000 |
JECFA Number | 792 |
CAS DataBase Reference | 24683-00-9(CAS DataBase Reference) |
NIST Chemistry Reference | Pyrazine, 2-methoxy-3-(2-methylpropyl)-(24683-00-9) |
EPA Substance Registry System | Pyrazine, 2-methoxy-3-(2-methylpropyl)- (24683-00-9) |
Safety information for 2-Methoxy-3-isobutyl pyrazine
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2-Methoxy-3-isobutyl pyrazine
2-Methoxy-3-isobutyl pyrazine manufacturer
Neugen Labs
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