Home Categories Pharmaceutical intermediates Pyrazine
A6688412

Pyrazine , 99% , 290-37-9

Synonym(s):
1,4-Diazine;Pyrazine

CAS NO.:290-37-9

Empirical Formula: C4H4N2

Molecular Weight: 80.09

MDL number: MFCD00006122

EINECS: 206-027-6

Pack Size Price Stock Quantity
5G RMB24.00 In Stock
25G RMB40.80 In Stock
100G RMB141.60 In Stock
500G RMB417.60 In Stock
2.5kg RMB2013.60 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 50-56 °C (lit.)
Boiling point: 115-116 °C (lit.)
Density  1.031 g/mL at 25 °C (lit.)
refractive index  1.5235
FEMA  4015 | PYRAZINE
Flash point: 132 °F
storage temp.  Store below +30°C.
solubility  SOLUBLE
pka 0.65(at 27℃)
form  Crystals
Specific Gravity 1.031
color  White
Odor at 0.10 % in propylene glycol. pungent sweet corn like roasted hazelnut barly
Odor Type nutty
Water Solubility  SOLUBLE
Sensitive  Hygroscopic
JECFA Number 951
Merck  14,7957
BRN  103905
Dielectric constant 2.7999999999999998
Stability: Stable. Highly flammable. Incompatible with acids, oxidizing agents.
LogP -0.26

Description and Uses

Pyrazine is used as a flavoring agent. It serves as a component of some herbs in traditional Chinese medicine. It is employed as pharmaceutical intermediates, perfume intermediates and involved in the preparation of other chemicals. In addition to this, it is used in the production of pyrazine 1-oxide.

Safety

Symbol(GHS) 
GHS02
Signal word  Danger
Hazard statements  H228
Precautionary statements  P210-P240-P241-P280-P370+P378
Hazard Codes  Xi,F
Risk Statements  36/37/38-11
Safety Statements  26-36-16
RIDADR  UN 1325 4.1/PG 2
WGK Germany  3
RTECS  UQ2015000
TSCA  T
HazardClass  4.1
PackingGroup  III
HS Code  29339990

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