 Home > Encyclopedia > Pyrazine

Pyrazine

Pyrazine structure

CAS No:
290-37-9
Formula:
C4H4N2
Chemical Name:
Pyrazine
Synonyms:
Pyrazine;1,4-Diazabenzene;1,4-Diazine;Paradiazine;Piazine;p-Diazine;NSC 400221;1339899-95-4
Categories:
Pharmaceutical Intermediates > Heterocyclic Compound

Description

white crystals or powder Pyrazine has a strong pyridine-like odor. Some reports compare the taste of pyrazine to cooked spinach or rancid peanuts

Solid|deliquescent crystals or wax-like solid with a pungent, sweet, corn-like, nutty odour

Pyrazine is a diazine that is benzene in which the carbon atoms at positions 1 and 4 have been replaced by nitrogen atoms. It has a role as a Daphnia magna metabolite. It is a member of pyrazines and a diazine.|A heterocyclic aromatic organic compounds with the chemical formula C4H4N2.

Pyrazine Basic Attributes

Molecular Weight：

80.09

Exact Mass：

80.09

BRN：

103905

EC Number：

206-027-6

UNII：

2JKE371789

NSC Number：

400221

DSSTox ID：

DTXSID8049410

HScode：

29339990

Characteristics

PSA：

25.8

XLogP3：

-0.2

Appearance：

White Crystals

Density：

1.031 g/mL at 25 °C(lit.)

Melting Point：

55 °C

Boiling Point：

115 °C

Flash Point：

132 °F

Refractive Index：

1.5235

Water Solubility：

SOLUBLE

Storage Conditions：

Flammables area

Vapor Pressure：

10.81 mmHg

Safety Information

Packing level：

Ⅱ

Hazard category：

4.1

Transport codes：

UN 1325 4.1/PG 2

wgk germany：

hazard class code：

36/37/38-11

safety instructions：

26-36-16

RTECS Number：

UQ2015000

Marks：

Xi,F

Stability/Shelf Life：

Stable. Highly flammable. Incompatible with acids, oxidizing agents.

Precautionary statement(s)：

P210-P261-P305 + P351 + P338

Hazard Statements：

H228-H315-H319-H335

Drug Information

MeSH Entry Terms：

Pyrazine

Pyrazine Use and Manufacturing

Uses

Used in the manufacture of resins and polymers and pharmaceuticals

Manufacturing Info：

Pyrazine: ACTIVE

Use Classification：

Food additives -> Flavoring Agents|Flavoring Agents -> JECFA Flavorings Index

Food Additive Classes：

Flavoring Agents

Computed Properties

Molecular Weight:80.09
XLogP3:-0.2
Hydrogen Bond Acceptor Count:2
Exact Mass:80.037448136
Monoisotopic Mass:80.037448136
Topological Polar Surface Area:25.8
Heavy Atom Count:6
Complexity:26.5
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Recommended Suppliers of Pyrazine

Shaanxi Dideu Medichem Co. Ltd Contact Supplier

CN
5 YRS

Business licensed Certified factory

Manufactory Supplier of Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst,Chemical Materials,Chem&Pharm Intermediates,Organic Intermediates,Feed Additive

High Quality 99% Purity of Pyrazine CAS NO 290-37-9 ISO 9001:2005 REACH Verified Producer

CAS No.: 290-37-9

Grade: Industrial Grade

Content: 99%

Inquiry
HANGZHOU LEAP CHEM CO., LTD. Contact Supplier

CN
5 YRS

Business licensed

Trader Supplier of Intermediates,Building blocks,API,Silicones,Peptides,Lab chemicals,Biochemicals,Pharmaceuticals,Screening Compounds,Food Additives

Pyrazine

CAS No.: 290-37-9

Content: 99.00%

Inquiry
NANTONG REFORM PETRO-CHEMICAL CO.,LTD Contact Supplier

CN
4 YRS

Business licensed Certified factory

Manufactory Supplier of Flavors & Fragrances,Catalyst & Auxiliary,Intermediates,Dyes & Pigments,Inorganic Chemistry,petro chemicals,Surfactant,Food Additives,Water Treatment Chemicals

Pyrazine

CAS No.: 290-37-9

Grade: Industrial Grade

Content: 99%

Inquiry
Shanghai Lonwin Chemical Co.,Ltd Contact Supplier

CN
3 YRS

Business licensed

Trader Supplier of CHEMICALS,REAGENTS

High quality 2,6-Dimethylpyrazine CAS NO.108-50-9

CAS No.: 290-37-9

Grade: Pharmaceutical Grade

Content: 99%

Inquiry
Henan Lihao Chem Plant Limited Contact Supplier

CN
5 YRS

Business licensed

Trader Supplier of PVC resin,pvc paste resin,melamine

high quality Pyrazine 99% transparent liquid KANBEI

CAS No.: 290-37-9

Grade: Industrial Grade

Content: 99%

Inquiry