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8.40145 EMD Millipore

2,2-Dimethyloxirane

2,2-Dimethyloxirane for synthesis. CAS 558-30-5, molar mass 72.1 g/mol., for synthesis

Synonym: 1,2-Epoxy-2-methylpropane

  • CAS Number 558-30-5

  • Linear Formula C₄H₈O

  • Molecular Weight 72.1 g/mol

  •  EC Number 209-193-8

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Properties

Related Categories Biochemicals and Reagents More...
bp   50.5 °C
expl. lim.     1.5 - 13.5 %(V)
vapor pressure   313 hPa (20 °C)
solubility   58 g/l
density   0.81 g/cm3 (20 °C)
flash point   -32.5 °C
autoignition temp.   345 °C
viscosity kinematic   0.513 mm2/s (20 °C)
LD 50 oral   LD50 Rat 3890 mg/kg
LD 50 dermal   LD50 Rat > 4000 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 99.0 % (a/a)
  Density (d 20 °C/ 4 °C): 0.801 - 0.804
  Identity (IR): passes test

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Safety & Documentation

Safety Information

HS Code 
2910 90 00
Hazard Statement(s) 
H225: Highly flammable liquid and vapour.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s) 
P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P223: Keep away from any possible contact with water, because of violent reaction and possible flash fire.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
P403 + P235: Store in a well-ventilated place. Keep cool.
Storage class 
3 Flammable liquids
WGK 
WGK 1 slightly 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.
Hazard Pictogram(s) 
GHS02  GHS02
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Symbols 
Corrosive  Corrosive
Hazard Symbols 
Flammable  Flammable
Declaration (railroad and road) ADR, RID 
UN 2924 , 3 (8), II
Declaration (transport by air) IATA-DGR 
UN 2924 , 3 (8), II
Declaration (transport by sea) IMDG-Code 
UN 2924 , 3 (8), II
Categories of danger 
highly flammable, corrosive
R Phrase 
R 11-34
Highly flammable.Causes burns.
S Phrase 
S 16-26-36/37/39-45
Keep away from sources of ignition - No smoking.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

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Certificate of Analysis

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