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110-87-2

Name Dihydropyran
CAS 110-87-2
EINECS(EC#) 203-810-4
Molecular Formula C5H8O
MDL Number MFCD00006558
Molecular Weight 84.12
MOL File 110-87-2.mol

Chemical Properties

Appearance colorless to light yellow liqui
Melting point  -70 °C (lit.)
Boiling point  86 °C (lit.)
density  0.922 g/mL at 25 °C(lit.)
vapor density  2.9 (vs air)
vapor pressure  77.8 hPa (20 °C)
refractive index  n20/D 1.440(lit.)
Fp  4 °F
storage temp.  Flammables area
solubility  7.7g/l
form  Liquid
color  Clear colorless to yellow
PH 7 (5g/l, H2O, 20℃)
explosive limit 1.1-13.8%(V)
Water Solubility  20 g/L (20 ºC)
BRN  103493
Stability: Volatile
InChIKey BUDQDWGNQVEFAC-UHFFFAOYSA-N
LogP 0.690
CAS DataBase Reference 110-87-2(CAS DataBase Reference)
NIST Chemistry Reference 2H-Pyran, 3,4-dihydro-(110-87-2)
Storage Precautions Store under nitrogen
EPA Substance Registry System 110-87-2(EPA Substance)

Safety Data

Hazard Codes  F,Xi
Risk Statements 
R11:Highly Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
R36/38:Irritating to eyes and skin .
R19:May form explosive peroxides.
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
S33:Take precautionary measures against static discharges .
S7/9:Keep container tightly closed and in a well-ventilated place .
RIDADR  UN 2376 3/PG 2
WGK Germany  3
RTECS  UP7700000
Autoignition Temperature 240 °C
Hazard Note  Highly Flammable/Irritant
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29329995
Safety Profile
A flammable and very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidzing materials. Keep away from heat and open flame. To fight fire, use alcohol foam, CO2, or dry chemical. When heated to decomposition it emits acrid smoke and irritating
Toxicity
LD50 orally in Rabbit: > 4000 mg/kg

Hazard Information

Material Safety Data Sheet(MSDS)

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