18-Crown-6 manufacturers and suppliers

18-Crown-6 suppliers

Properties

Melting point:: 42-45 °C(lit.)

Boiling point:: 116°C 0,2mm

Density: 1,175 g/cm³

refractive index: 1.4580 (estimate)

Flash point:: >230 °F

storage temp.: Store below +30°C.

solubility: Chloroform (Slightly), Methanol (Very Slightly)

form: Crystals or Crystalline Mass or Liquid

color: White or clear colorless

Water Solubility: SOLUBLE

Sensitive: Hygroscopic

Merck: 14,2602

BRN: 1619616

Stability:: Stable. Incompatible with strong acids, strong oxidizing agents.

InChIKey: XEZNGIUYQVAUSS-UHFFFAOYSA-N

CAS DataBase Reference: 17455-13-9(CAS DataBase Reference)

NIST Chemistry Reference: 1,4,7,10,13,16-Hexaoxacyclooctadecane(17455-13-9)

EPA Substance Registry System: 1,4,7,10,13,16-Hexaoxacyclooctadecane (17455-13-9)

Safety Information

Symbol(GHS): GHS07

Signal word: Warning

Hazard statements: H302

Precautionary statements: P264-P270-P301+P312-P501

Hazard Codes: Xn,Xi

Risk Statements: 22-36/37/38-36-20/22-20/21/22

Safety Statements: 26-36-39

RIDADR: 2811

WGK Germany: 3

RTECS: MP4500000

F: 10

TSCA: Yes

HazardClass: 6.1(b)

PackingGroup: III

HS Code: 29329995

Toxicity: LD50 orally in Rabbit: 525 mg/kg LD50 dermal Rabbit 3888 mg/kg

Use

Recrystallise it from acetonitrile and dry it in a vacuum. Purify it also by precipitating the 18-crown-6/nitromethane 1:2 complex with Et2O/nitromethane (10:1 mixture). The complex is decomposed in vacuum whereby 18-crown-6 distils off under the reduced pressure. [Beilstein 19/12 V 601.]

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