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Furfural Structure

Furfural

Chemical Properties

Melting point -36 °C (lit.)
Boiling point 162 °C (lit.)
Density  1.16 g/mL at 25 °C (lit.)
vapor density  3.31 (vs air)
vapor pressure  13.5 mm Hg ( 55 °C)
FEMA  2489 | FURFURAL
refractive index  n20/D 1.527
Flash point 137 °F
storage temp.  Store below +30°C.
solubility  95% ethanol: soluble1ML/mL, clear
form  Liquid
color  very deep brown
Odor at 1.00 % in dipropylene glycol. sweet woody almond fragrant baked bread
PH >=3.0 (50g/l, 25℃)
explosive limit 2.1-19.3%(V)
Odor Type bready
Water Solubility  8.3 g/100 mL
FreezingPoint  -36.5℃
Sensitive  Air Sensitive
Merck  14,4304
JECFA Number 450
BRN  105755
Henry's Law Constant 1.52(x 10-6 atm?m3/mol) at 20 °C (approximate - calculated from water solubility and vapor pressure)
Exposure limits NIOSH REL: IDLH 100 ppm; OSHA PEL: TWA 5 ppm (20 mg/m3); ACGIH TLV: TWA 2 ppm (adopted).
Dielectric constant 41.9(20℃)
Stability Stable. Substances to be avoided include strong bases, strong oxidizing agents and strong acids. Flammable.
LogP 0.41
CAS DataBase Reference 98-01-1(CAS DataBase Reference)
IARC 3 (Vol. 63) 1995
NIST Chemistry Reference 2-Furancarboxaldehyde(98-01-1)
EPA Substance Registry System Furfural (98-01-1)

Safety Information

Hazard Codes  T,Xi
Risk Statements  21-23/25-36/37-40-36/37/38
Safety Statements  26-36/37/39-45-1/2-36/37
RIDADR  UN 1199 6.1/PG 2
WGK Germany  2
RTECS  LT7000000
1-8-10
Autoignition Temperature 599 °F &_& 599 °F
Hazard Note  Irritant
TSCA  Yes
HS Code  2932 12 00
HazardClass  6.1
PackingGroup  II
Hazardous Substances Data 98-01-1(Hazardous Substances Data)
Toxicity LD50 orally in rats: 127 mg/kg (Jenner)
IDLA 100 ppm

MSDS

Usage And Synthesis

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