Furfural
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CAS
98-01-1
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C5H4O2
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RTECS
LT7000000
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Synonyms & Trade Names
Fural, 2-Furancarboxaldehyde, Furfuraldehyde, 2-Furfuraldehyde
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DOT ID & Guide
1199 / 132P
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Exposure
Limits
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NIOSH REL: See Appendix D
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OSHA PEL†: TWA 5 ppm (20 mg/m3) [skin]
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IDLH
100 ppm
See: 98011
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Conversion
1 ppm = 3.93 mg/m3
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Physical Description
Colorless to amber liquid with an almond-like odor. [Note: Darkens in light and air.]
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MW: 96.1
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BP: 323°F
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FRZ: -34°F
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Sol: 8%
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VP: 2 mmHg
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IP: 9.21 eV
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Sp.Gr: 1.16
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Fl.P: 140°F
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UEL: 19.3%
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LEL: 2.1%
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Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.
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Incompatibilities & Reactivities
Strong acids, oxidizers, strong alkalis [Note: May polymerize on contact with strong acids or strong alkalis.]
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Measurement Methods
NIOSH 2529; OSHA 72
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
OSHA
Up to 50 ppm:
(APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)*
(APF = 10) Any supplied-air respirator*
Up to 100 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode*
(APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s)
(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)*
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece
Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, skin, upper respiratory system; headache; dermatitis
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Target Organs
Eyes, skin, respiratory system
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See also: INTRODUCTION
See ICSC CARD: 0276 See MEDICAL TESTS: 0252
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