methylpyrazine

Modify Date: 2024-01-02 17:35:17

methylpyrazine Structure
methylpyrazine structure
Common Name methylpyrazine
CAS Number 109-08-0 Molecular Weight 94.115
Density 1.0±0.1 g/cm3 Boiling Point 135.1±20.0 °C at 760 mmHg
Molecular Formula C5H6N2 Melting Point −29 °C(lit.)
MSDS Chinese USA Flash Point 50.0±0.0 °C
Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Warning

 Use of methylpyrazine


2-Methylpyrazine is a kind of alkylpyrazine that can be identified in roasted red pepper seed oils[1].

 Names

Name 2-Methylpyrazine
Synonym More Synonyms

 methylpyrazine Biological Activity

Description 2-Methylpyrazine is a kind of alkylpyrazine that can be identified in roasted red pepper seed oils[1].
Related Catalog
References

[1]. M Y Jung, et al. Effects of roasting on pyrazine contents and oxidative stability of red pepper seed oil prior to its extraction. J Agric Food Chem. 1999 Apr;47(4):1700-4.

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 135.1±20.0 °C at 760 mmHg
Melting Point −29 °C(lit.)
Molecular Formula C5H6N2
Molecular Weight 94.115
Flash Point 50.0±0.0 °C
Exact Mass 94.053101
PSA 25.78000
LogP 0.18
Vapour Pressure 9.7±0.2 mmHg at 25°C
Index of Refraction 1.503
Storage condition Flammables area

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UQ3675000
CHEMICAL NAME :
Pyrazine, 2-methyl-
CAS REGISTRY NUMBER :
109-08-0
LAST UPDATED :
199701
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C5-H6-N2
MOLECULAR WEIGHT :
94.13
WISWESSER LINE NOTATION :
T6N DNJ B1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1800 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1820 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :
Cytogenetic analysis
TEST SYSTEM :
Rodent - hamster Ovary
DOSE/DURATION :
2500 mg/L
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 18,581,1980

 Safety Information

Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Warning
Hazard Statements H226-H302-H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn:Harmful
Risk Phrases R10;R22
Safety Phrases S26-S36-S16
RIDADR UN 1993 3/PG 3
WGK Germany 3
RTECS UQ3675000
Packaging Group III
Hazard Class 3
HS Code 2932999099

 Synthetic Route

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles4

More Articles
Toward prediction of alkane/water partition coefficients.

J. Med. Chem. 51 , 3720-30, (2008)

Partition coefficients were measured for 47 compounds in the hexadecane/water ( P hxd) and 1-octanol/water ( P oct) systems. Some types of hydrogen bond acceptor presented by these compounds to the pa...

Orientation to determine quality attributes of flavoring excipients containing volatile molecules.

J. Pharm. Biomed. Anal. 110 , 20-6, (2015)

Pharmaceutical excipients containing volatile odor-active molecules can be used in pharmaceutical development to increase patients' compliance. However, capturing the molecular composition of these od...

Influence of Free Amino Acids, Oligopeptides, and Polypeptides on the Formation of Pyrazines in Maillard Model Systems.

J. Agric. Food Chem. 63 , 5364-72, (2015)

Pyrazines are specific Maillard reaction compounds known to contribute to the unique aroma of many products. Most studies concerning the generation of pyrazines in the Maillard reaction have focused o...

 Synonyms

2-methyl-pyrazine
MFCD00006142
methylpyrazine
Pyrazine,2-methyl
2-Methylpyrazine
2-Methyl-1,4-diazine
Pyrazine, 2-methyl-
3-methylpyrazine
Pyrazine,methyl
EINECS 203-645-8
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