4,13-Diaza-18-crown 6-Ether , ≥98.0% , 23978-55-4

Synonym(s):
1,10-Diaza-18-crown-6;1,7,10,16-Tetraoxa-4,13-diazacyclooctadecane;Kryptofix 22

CAS NO.：23978-55-4

Empirical Formula: C12H26N2O4

Molecular Weight: 262.35

MDL number: MFCD00005112

EINECS: 245-965-0

PRODUCT Properties

• Melting point: 111-114 °C(lit.)
• Boiling point: 405.6°C (rough estimate)
• Density: 1.0807 (rough estimate)
• refractive index: 1.4560 (estimate)
• storage temp.: Store below +30°C.
• form: Shiny Crystalline Powder
• pka: 9.00±0.20(Predicted)
• color: Off-white
• Water Solubility: Soluble in water.
• BRN: 609764

Description and Uses

1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane is a crown ether, which can be used:

• In the spectroscopic studies of its complex-forming reaction with iodine.
• To prepare the ligand 7,16-bis(5-t-butyl-2-hydroxybenzyl)-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane.
• As a ligand in the study of zirconium facilitated hydrolysis of a dipeptide at neutral pH.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P264-P271-P280-P302+P352-P305+P351+P338
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-37/39-37
• WGK Germany: 2
• RTECS: HM1650000
• F: 10
• HS Code: 2934 99 90
• Toxicity: LD50 orally in Rabbit: 3400 mg/kg