CAS 98-01-1 corresponds to furfural, also known as furfural, which is an important organic aldehyde chemical raw material extracted from biomass.

Core Information
-Chinese name: Furfural
-English name: Furfur/2-Furaldehyde
-Molecular formula: C ₅ H ₄ O ₂
-Molecular weight: 96.08
-Structural feature: The furan ring is connected to an aldehyde group at position 2
-Appearance: Colorless transparent oily liquid with a special odor similar to benzaldehyde; Easy to oxidize and turn reddish brown when exposed to light and air
-Main uses: industrial solvents, synthetic resins (furan resins, etc.), pesticide/pharmaceutical intermediates, lubricant extractants, food flavorings (limited edition)

Physicochemical properties
1. Boiling point: 161.7 ℃; Freezing point: -36.5 ℃
2. Relative density: 1.1594; Flash point: 60 ℃
3. Solubility: Slightly soluble in water, easily soluble in organic solvents such as ethanol, ether, acetone, chloroform, benzene, etc
4. Stability: Unstable, should be stored in a cool, sealed place away from light, and kept away from sources of fire

Safety and Toxicity
-Toxicity classification: Highly toxic/Harmful; Rats orally administered LD ₅₀ approximately 127 mg/kg
-Health hazards: Irritation to the skin, eyes, and respiratory tract; The maximum allowable concentration in the air is usually 5 ppm
-Hazard category: flammable liquid (category 3), acute toxicity (oral/inhalation), eye irritation, etc
-Transport number: UN 1199; Dangerous goods signs: T (toxic), Xi (irritating)

Production and Application
-Source: Produced from agricultural waste rich in pentosans such as corn cobs, rice bran, and cottonseed hulls through dilute acid hydrolysis and dehydration
-Main derivatives: furfurfuryl alcohol, furfurfuryl acid, tetrahydrofuran, furazone (disinfectant), pyrrole compounds, etc
-Application areas: synthetic resins, rubber additives, pesticides, pharmaceuticals, dyes, fragrances, and petroleum refining and extraction processes

Products :

Furfural (2-Furaldehyde) CAS 98-01-1,C5H4O2
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