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Home › Product Catalog › 2-Formylfuran

2-Formylfuran

CAS 98-01-1C5H4O2MW 96.08

2-Formylfuran (CAS 98-01-1) — formula C5H4O2, molecular weight 96.08.

Specifications

CAS Number98-01-1
Molecular FormulaC5H4O2
Molecular Weight96.08
Melting Point-33.7 °F (NTP, 1992)
Boiling Point323.1 °F at 760 mmHg (NTP, 1992)
LogP0.4

Purchase Profile

What this product is

2-Formylfuran is a chemical compound with CAS registry number 98-01-1 and molecular formula C5H4O2 (molecular weight 96.08).

Identification

CAS number: 98-01-1

Its molecular formula C5H4O2 comprises 5 C, 4 H, 2 O atoms.

Also known as: 2-Formylfuran · Furfural

Frequently Asked Questions

What is the CAS number of 2-Formylfuran?

The CAS registry number of 2-Formylfuran is 98-01-1.

What is the molecular formula and molecular weight of 2-Formylfuran?

Molecular formula C5H4O2, molecular weight 96.08.

What other names is 2-Formylfuran known by?

It is also registered under: 2-Formylfuran, Furfural.

PubChem Public Data

Public-database records for 2-Formylfuran (CAS 98-01-1), reproduced here for independent cross-checking.

Safety classification and hazard statements

Reported hazard statementsH301, H312, H315, H319, H331, H335, H351, H330 (15.2%)

H301: Toxic if swallowed [Danger Acute toxicity, oral]

H312: Harmful in contact with skin [Warning Acute toxicity, dermal]

Regulatory listings

Regulatory & Food ContactEU 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

Physical description and 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.

Reported physical properties

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

How this substance is indexed

CAS Registry Number98-01-1
PubChem CID7362
分子式C5H4O2
IUPAC 名称furan-2-carbaldehyde
UNII（FDA）DJ1HGI319P
FEMA 编号2489
JECFA 编号450

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]

Names this substance appears under

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

Computed molecular descriptors

分子量96.08
XLogP30.4
氢键供体数0
氢键受体数2
可旋转键数1
精确质量96.021129366
单同位素质量96.021129366
拓扑极性表面积30.2
重原子数7
形式电荷0

Database abstract

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

Source: PubChem / Wikidata; the batch COA governs where values differ.

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