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Furan(CAS#110-00-9)

Chemical Property:

Molecular Formula C4H4O
Molar Mass 68.07
Density 0.936 g/mL at 25 °C(lit.)
Melting Point -85.6 °C
Boling Point 67°C10mm Hg(lit.)
Flash Point 160°F
Water Solubility insoluble
Solubility alcohols: freely soluble
Vapor Presure 1672 mm Hg ( 55 °C)
Vapor Density 2.35 (vs air)
Appearance Liquid
Color Clear colorless to yellow
Exposure Limit NIOSH: IDLH 13 ppm
Merck 14,4296
BRN 103221
Storage Condition Store below +30°C.
Stability Stable. Substances to be avoided include strong oxidising agents, acids, peroxides and oxygen. Highly flammable; can form explosive mixtures with air.
Sensitive Air & Light Sensitive
Explosive Limit 2.3-14.3%(V)
Refractive Index n20/D 1.5070(lit.)
Physical and Chemical Properties Colorless liquid. Melting point 85.65 ℃, boiling point 31.36 ℃, relative density 0.9514(20/4 ℃), refractive index 1.4214, flash point -35 ℃. Soluble in ethanol, ether, soluble in acetone and benzene, insoluble in water. Long storage or see light easily Brown, stable to the alkali solution, in case of mineral acid or heating evaporation can resin.
Use Used as raw materials and solvents for organic synthesis

Product Detail

Product Tags

Risk Codes R45 – May cause cancer
R12 – Extremely Flammable
R19 – May form explosive peroxides
R20/22 – Harmful by inhalation and if swallowed.
R38 – Irritating to the skin
R48/22 – Harmful danger of serious damage to health by prolonged exposure if swallowed.
R52/53 – Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R68 – Possible risk of irreversible effects
Safety Description S53 – Avoid exposure – obtain special instructions before use.
S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S61 – Avoid release to the environment. Refer to special instructions / safety data sheets.
S -
UN IDs UN 2811 6.1/PG 2
WGK Germany 3
RTECS OB3870000
FLUKA BRAND F CODES 8-9-23
TSCA Yes
HS Code 2932 19 00
Hazard Class 3
Packing Group I
Toxicity LC (in air) in rats: 30400 ppm (Henderson)

 

Introduction

Furans are organic compounds with a cyclic structure. It is a colorless liquid with a special odor at room temperature and is soluble in water and a variety of organic solvents.It is an important organic solvent that can be used to dissolve natural resins, fats, rubber, plastics, and certain natural products. Furans can also be used as a preservative and fungicide.There are many ways to make furan. The commonly used method is preparation by acidic condensation reaction of carbon tetrachloride and ethanol. Furans can also be formed by reacting butylene and sulfuric acid to form tetrahydrofuran, which is then further dehydrogenated to obtain furans.Furans are flammable liquids with low flash points and spontaneous ignition temperatures, and should be kept away from open flames and heat sources. Prolonged exposure to furan may cause skin irritation and eye irritation, and care should be taken to use protective measures such as wearing gloves and goggles during operation. Furans are also toxic and should be avoided if inhaled or ingested. Furans should be used in a well-ventilated area and stored properly in an airtight container away from oxidizing agents. In case of accidental leakage, appropriate emergency measures should be taken to avoid its spread and fire risk.


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