Benzo-18-crown-6

CAS NO.：14098-24-9
Empirical Formula: C16H24O6
Molecular Weight: 312.36
MDL number: MFCD00062741
EINECS: 604-215-6
SAFETY DATA SHEET (SDS)
Update Date: 2023-04-23 13:52:06

What is Benzo-18-crown-6?

Chemical properties

white granular powder and chunks

Purification Methods

Purify it by passage through a DEAE cellulose column in cyclohexane. It recrystallises from n-hexane. Its thiourea complex has m 127o [5-6 mol of urea to ether, Pedersen J Org Chem 36 1690 1971]. The stability constants of the Na+, K+, Rb+, Cs+, Tl+ and Ba2+ complexes are described in Hofmanova et al. Inorg Chim Acta 28 73 1978. [NMR: Live & Chan J Am Chem Soc 98 3769 1976]. [Beilstein 19/12 V 618.] IRRITANT.

Properties of Benzo-18-crown-6

Melting point:	42-45 °C (lit.)
Boiling point:	412.28°C (rough estimate)
Density	1.1858 (rough estimate)
refractive index	1.4795 (estimate)
Flash point:	>230 °F
storage temp.	Inert atmosphere,Room Temperature
solubility	very faint turbidity in Methanol
form	Liquid
color	Clear colorless
Sensitive	Hygroscopic
BRN	1626123
CAS DataBase Reference	14098-24-9(CAS DataBase Reference)

Safety information for Benzo-18-crown-6

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up.