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2,3-Dimethylpyrazine

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Origin: China

Cas No: 5910-89-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
CAS No.:
5910-89-4
Other Names:
2,3-Dimethylpyrazine, 2,3-Dimethyl-1,4-diazine
MF:
C6H8N2, C6H8N2
EINECS No.:
227-630-0
FEMA No.:
3271
Type:
Synthetic Flavour & Fragrance
Usage:
Food Flavor, Tobacco Flavor
Purity:
99%min, 99%min
Brand Name:
HAIHANG
Model Number:
HHZHYL19126003
CAS No:
5910-89-4
EINECS No:
227-630-0
Place of Origin:
Shandong, China (Mainland)
Appearance:
Yellow clear liquid
Application:
Food Tobacco Flavor
Color:
Yellow clear liquid
Shelf life:
2 Years
Packaging&Delivery
Packaging Details
200Kg/drum
Port
Shanghai, Qingdao, Lianyun port, Tianjin, Guangzhou
Lead Time:
Quantity(Kilograms) 1 - 1 >1
Est. Time(days) 5 To be negotiated

Property

CAS No.: 5910-89-4 Formula: C6H8N2 Molecular Weight: 108.14100

Basic Info

Chemical Name	2,3-Dimethylpyrazine
Synonyms	2,3-Dimethyloyrazine; 2,3-DiMepyz; dimethylpyrazine; 2,3-dimethyl-pyrazin; 2,3-DIMETHYL-1,4-DIAZINE; Pyrazine,2,3-dimethyl; Pyrazine, 2,3-dimethyl-; FEMA NUMBER 3271; 2,3-DICHLORO-6-NITROBENZYLAMINE; DIMETHYLPYRAZINES; FEMA 3271; 2,3-dimethyl-pyrazine;
CAS No.	5910-89-4
Molecular Formula	C6H8N2
Molecular Weight	108.14100
PSA	25.78000
LogP	1.09340

Properties

Appearance & Physical State	Clear, yellow liquid. with a nutty odor.
Density	1.02
Boiling Point	156ºC
Melting Point	11-13ºC
Flash Point	54ºC
Refractive Index	1.506-1.508
Storage Condition	Flammables area

Safety Info

RTECS	UQ2625000
Hazard Class	3
Safety Statements	S16
HS Code	2933399090
WGK Germany	3
Packing Group	III
RIDADR	UN 1993 3/PG 3
Risk Statements	R10; R22
Hazard Codes	Xn
Caution Statement	P261; P280; P305 + P351 + P338
Signal Word	Danger
Symbol	GHS02, GHS05, GHS07
Hazard Declaration	H226; H302; H315; H318; H335

Synthesis Route

ethylenediamine+glycerol→pyrazine+2-Methylpyrazine
Alanyllysine+methylglyoxal→2,3-Dimethylpyrazine+3-ethyl-2,5-dimethylpyrazine
L-valine+L-lysine→2,3-Dimethylpyrazine+3-ethyl-2,5-dimethylpyrazine

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Oral	LD50 - Lethal dose, 50 percent kill	Rodent - rat	613 mg/kg	1.Details of toxic effects not reported other than lethal dose value
Intraperitoneal	LD50 - Lethal dose, 50 percent kill	Rodent - mouse	1390 mg/kg	1.Details of toxic effects not reported other than lethal dose value

Precursor

butane-2,3-dione
cis-2,3-dimethylpiperazine
5,6-dimethyl-2,3-pyrazinedicarboxylic acid
glycerol

Downstream Product

3-Methylpyrazine-2-carboxylic acid
5,6,7,8-Tetrahydropyrido[3,4-b]pyrazine-7-carboxylic acid
3-Methylpyrazine-2-carbaldehyde
2,3-dimethyl-5-pent-1-enylpyrazine

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