Quinazoline manufacturers and suppliers

Quinazoline suppliers

Properties

Melting point:: 46-48 °C (lit.)

Boiling point:: 243 °C (lit.)

Density: 1.2002 (rough estimate)

refractive index: 1.6231 (estimate)

Flash point:: 224 °F

storage temp.: Sealed in dry,Room Temperature

solubility: H2O: freely soluble

pka: 3.43(at 20℃)

form: Crystalline Powder, Crystals and/or Chunks

color: Yellow to beige to brownish

Water Solubility: H2O: freely soluble
organic solvents: soluble

Merck: 14,8053

BRN: 109370

InChI: 1S/C8H6N2/c1-2-4-8-7(3-1)5-9-6-10-8/h1-6H

InChIKey: JWVCLYRUEFBMGU-UHFFFAOYSA-N

SMILES: c1ccc2ncncc2c1

CAS DataBase Reference: 253-82-7(CAS DataBase Reference)

NIST Chemistry Reference: Quinazoline(253-82-7)

EPA Substance Registry System: Quinazoline (253-82-7)

Safety Information

Symbol(GHS): GHS07

Signal word: Warning

Hazard statements: H315-H319-H335

Precautionary statements: P271-P280

PPE: Eyeshields, Gloves, type N95 (US)

Hazard Codes: Xi

Risk Statements: 36/37/38

Safety Statements: 22-24/25-36-26-23

WGK Germany: 3

HS Code: 29339900

Storage Class: 11 - Combustible Solids

Use

Purify quinazoline by passage through an activated alumina column in *C6H6 or pet ether (b 40-60o). Distil it under reduced pressure, sublime it under vacuum and crystallise it from pet ether. The picrate has m 188-189o (from MeOH). [Armarego J Appl Chem 11 70 1961, Armarego Quinazolines, Fused Pyrimidines Part I Brown Ed, Wiley-Interscience 1967, Brown Quinazolines Supplement I Taylor Ed, Wiley-Interscience 1996, ISBN 0-471-14565-3; for covalent hydration see Albert & Armarego Adv Heterocycl Chem 4 1 1965, Beilstein 23 H 175, 23 II 177, 23 III/IV 1221.]

You can find Quinazoline suppliers, manufacturers, and distributors from countries such as China, United States and the United Kingdom here. Browse to the tetrahydrofuran product information displayed by the supplier, as well as the supplier's contact and capability information.