8.03553 EMD Millipore


1,3-Dioxolane (stabilised) for synthesis. CAS 646-06-0, molar mass 74.08 g/mol., (stabilised) for synthesis

Synonym: 1,3-Dioxacyclopentane, Formaldehyde ethylene acetal, Ethylene glycol methylene ether

  • CAS Number 646-06-0

  • Linear Formula C₃H₆O₂

  • Molecular Weight 74.08 g/mol

  •  EC Number 211-463-5



Related Categories Biochemicals and Reagents More...
packaging   100 ml in Glass bottle (8035530100)
bp   74 - 75 °C (1013 hPa)
expl. lim.     2.1 - 20.5 %(V)
vapor pressure   133 hPa (20 °C)
solubility   1000 g/l soluble
density   1.065 g/cm3 (20 °C)
flash point   -6 °C
autoignition temp.   274 °C
mp   -95 °C
LD 50 oral   LD50 Rat 3000 mg/kg
LD 50 dermal   LD50 Rabbit 9074 mg/kg
shipped in   ambient
storage temp.   Store at <= 20°C.

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Safety Information

HS Code 
2932 99 00
Hazard Statement(s) 
H225: Highly flammable liquid and vapour.
Precautionary Statement(s) 
P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P240: Ground/bond container and receiving equipment.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
Storage class 
3 Flammable liquids
WGK 1 slightly water endangering
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 Symbols 
Flammable  Flammable
Declaration (railroad and road) ADR, RID 
UN 1166 , 3, II
Declaration (transport by air) IATA-DGR 
UN 1166 , 3, II
Declaration (transport by sea) IMDG-Code 
UN 1166 , 3, II
Categories of danger 
highly flammable
R Phrase 
R 11
Highly flammable.
S Phrase 
S 16
Keep away from sources of ignition - No smoking.
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