77-76-9

Name 2,2-Dimethoxypropane
CAS 77-76-9
EINECS(EC#) 201-056-0
Molecular Formula C5H12O2
MDL Number MFCD00008479
Molecular Weight 104.15
MOL File 77-76-9.mol
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Chemical Properties

Appearance colourless liquid
Melting point  -47 °C
Boiling point  83 °C (lit.)
density  0.847 g/mL at 25 °C(lit.)
vapor density  3.59 (vs air)
vapor pressure  60 mm Hg ( 15.8 °C)
refractive index  n20/D 1.378(lit.)
Fp  12 °F
storage temp.  Flammables area
solubility  180g/l
form  Liquid
color  Clear colorless
Specific Gravity 0.852 (20/4℃)
Stability: Stable. Highly flammable-note low flash point. Vapour may form an explosive mixture with air. May form explosive peroxides when exposed to air. Incompatible with strong oxidizing agents.
explosive limit 31%, 58°F
Water Solubility  18 g/100 mL (25 ºC)
Detection Methods GC,NMR
BRN  635678
Henry's Law Constant 1.4×10-1 mol/(m3Pa) at 25℃, Ebert et al. (2023)
InChI 1S/C5H12O2/c1-5(2,6-3)7-4/h1-4H3
InChIKey HEWZVZIVELJPQZ-UHFFFAOYSA-N
SMILES COC(C)(C)OC
Surface tension 21.46mN/m at 298.15K
CAS DataBase Reference 77-76-9(CAS DataBase Reference)
NIST Chemistry Reference 2,2-Dimethoxypropane(77-76-9)
Storage Precautions Moisture sensitive
EPA Substance Registry System 77-76-9(EPA Substance)
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Safety Data

Symbol(GHS)  Flame (GHS02)Exclamation Mark (GHS07)
GHS02,GHS07
Signal word  Danger
Hazard statements  H225-H319
Precautionary statements  P210-P233-P240-P241-P242-P305+P351+P338
Hazard Codes  F,Xi
Risk Statements 
R11:Highly Flammable.
R36:Irritating to the eyes.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S9:Keep container in a well-ventilated place .
S37/39:Wear suitable gloves and eye/face protection .
S33:Take precautionary measures against static discharges .
S16:Keep away from sources of ignition-No smoking .
RIDADR  UN 1993 3/PG 2
WGK Germany  2
F  10-21
TSCA  Yes
REACH Registrations Active
HazardClass  3
PackingGroup  II
HS Code  29110000
Storage Class 3 - Flammable liquids
Hazard Classifications Eye Irrit. 2
Flam. Liq. 2
Toxicity
LD50 orally in Rabbit: > 2260 mg/kg LD50 dermal Rat > 2100 mg/kg

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