2-甲酰基呋喃

Description

2-Formylfuran · CAS 98-01-1 · C5H4O2. UNII DJ1HGI319P. Boiling Point: 323.1 °F at 760 mmHg (NTP, 1992); Boiling Point: 161.7 °C; Boiling Point: 161.00 to 162.00 °C. @ 760.00 mm Hg.

Identification

CAS Registry Number	98-01-1
PubChem CID	7362
Molecular formula	C5H4O2
IUPAC name	furan-2-carbaldehyde
UNII (FDA)	DJ1HGI319P
FEMA number	2489
JECFA number	450

Computed Descriptors

Molecular Weight	96.08
XLogP3	0.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	96.021129366
Monoisotopic Mass	96.021129366
Topological Polar Surface Area	30.2
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Boiling Point	323.1 °F at 760 mmHg (NTP, 1992)
Boiling Point	161.7 °C
Boiling Point	161.00 to 162.00 °C. @ 760.00 mm Hg
Boiling Point	162 °C
Boiling Point	161-162 °C
Boiling Point	323 °F
Boiling Point	161.7 °C @760 [mm Hg]
Melting Point	-33.7 °F (NTP, 1992)
Melting Point	-38.1 °C
Melting Point	-37 °C

Physical description & handling notes

• Furfural appears as colorless or reddish-brown mobile liquids with a penetrating odor. Flash points 140 °F. Denser than water and soluble in water. Vapors heavier than air. May be toxic by ingestion, skin absorption or inhalation.
• Liquid
• Colorless to amber liquid with an almond-like odor. [Note: Darkens in light and air.]; [NIOSH]
• COLOURLESS-TO-PALE YELLOW OILY LIQUID WITH CHARACTERISTIC ODOUR. TURNS RED-BROWN ON EXPOSURE TO AIR AND LIGHT.
• Colourless to yellow oily liquid which browns on storage, pungent, sweet, bread-like, caramellic, cinnamon-almond-like flavour, odour resembles benzaldehyde
• Colorless to amber liquid with an almond-like odor.

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS Flavoring Agents FLAVOURING_AGENTFood Additives -> EXTRACTION_SOLVENT: Flavouring Agent Almond, Baked Potatoes, Bread, Burnt, Spice

GHS Hazard Classification

Reported hazard statements	H301, H312, H315, H319, H331, H335, H351, H330 (15.2%)

Documented Uses

• Used in solvent extraction in petroleum refining; used as a solvent for rubber cements, resins, and dyes; also used as a flavoring agent and chemical intermediate; [HSDB] Used to make furan-based chemicals; Decomposes into furan above 250 deg C; Polymerizes into furan-based resins in the presence of strong acid; One of the aldehydes in smoke, e.g., soldering, and present in many foods; Generally recognized as safe as a food flavor; Was used in high concentrations as a herbicide and fungicide; [ACGIH]
• Molding and Core Making [Category: Foundry]
• Petroleum Production and Refining [Category: Industry]
• Soldering [Category: Heat or Machine]
• Working with Glues and Adhesives [Category: Other]
• Plastic Composites Manufacturing [Category: Industry]

Synonyms

FURFURAL; 2-Furaldehyde; furan-2-carbaldehyde; 98-01-1; 2-Furancarboxaldehyde; Furaldehyde; Furfuraldehyde; 2-Formylfuran; Fural; 2-Furanaldehyde; 2-Furancarbonal; 2-Furfuraldehyde; 2-Furfural; Furfurylaldehyde; Furol; Furancarbonal

Frequently Asked Questions

What are the CAS number and molecular formula of 2-Formylfuran?

CAS 98-01-1; molecular formula C5H4O2; molecular weight — g/mol.

What other names is 2-Formylfuran known by?

FURFURAL, 2-Furaldehyde, furan-2-carbaldehyde, 98-01-1, 2-Furancarboxaldehyde, Furaldehyde.

What is the regulatory status of 2-Formylfuran?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is 2-Formylfuran classified as hazardous?

Hazard statements reported: H301, H312, H315, H319, H331.

What are the key physical properties of 2-Formylfuran?

Boiling Point: 323.1 °F at 760 mmHg (NTP, 1992); Boiling Point: 161.7 °C; Boiling Point: 161.00 to 162.00 °C. @ 760.00 mm Hg; Boiling Point: 162 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.