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8.13714 EMD Millipore

Crown ether/12-Crown-4

Crown ether/12-Crown-4 for synthesis. CAS 294-93-9, molar mass 176.21 g/mol., for synthesis

Synonym: 12-Crown-4, 1,4,7,10-Tetraoxacyclododecane

  • CAS Number 294-93-9

  • Linear Formula C₈H₁₆O₄

  • Molecular Weight 176.21 g/mol

  •  EC Number 206-036-5

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Properties

Related Categories Biochemicals and Reagents More...
packaging   5 ml in Glass bottle (8137140006)
bp   238 °C
vapor pressure   0.04 hPa (20 °C)
density   1.11 g/cm3 (20 °C)
flash point   >110 °C
mp   16 °C
LD 50 oral   LD50 Rat 2830 mg/kg
LD 50 dermal   LD50 Rabbit 5028 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 98.0 % (a/a)
  Density (d 20 °C/ 4 °C): 1.108 - 1.111
  Identity (IR): passes test
  Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

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Safety Information

HS Code 
2932 99 00
Storage class 
10 Combustible liquids not in Storage Class 3
WGK 
WGK 2 water endangering
Disposal 
3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
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