Furan

Agent Name
Furan
CAS Number
110-00-9
Formula
C4-H4-O
Major Category
Other Classes
Furan formula graphical representation
Synonyms
1,4-Epoxy-1,3-butadiene; Axole; Divinylene oxide; Furfuran; Oxacyclopentadiene; Oxole; Tetrole; UN2389; [ChemIDplus]
Category
Ethers, Other
Description
Colorless liquid with an ethereal odor; darkens on exposure to light and air; [HSDB]
Sources/Uses
Used as a chemical intermediate; [HSDB]
Comments
Inhalation can cause anesthesia; Absorbed through skin; [Merck Index] May cause liver damage; Corrosive to the mouth and GI tract in toxicology studies; [HSDB] Causes narcosis; Contact can irritate or burn skin and eyes; [CHRIS] Furan is a skin irritant. [Quick CPC] A respiratory tract irritant; Inhalation of vapor can cause pulmonary edema; [ICSC] Doses as low as 2 mg/kg can cause severe injury to the liver and kidneys. Causes liver tumors in high-dose animal studies; No data on human use; "Worker exposure by all routes should be minimized to the fullest extent possible." [AIHA]
Biomedical References

Exposure Assessment

MAK
0.02 ppm
IDLH (NIOSH)
13 ppm
Vapor Pressure
600 mm Hg
Lethal Concentration
LC50 (rat) = 3,398 ppm/1H
Explanatory Notes
VP from HSDB;
NFPA
burn readily

Adverse Effects

Toxic Pneumonitis
Yes
Neurotoxin
Acute solvent syndrome
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Nephrotoxin
Yes
Dermatotoxin
Skin burns
IARC Carcinogen
Possible (2b)
NTP Carcinogen
Anticipated human carcinogen

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent: