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Wersje językowe
Producenci
Czysta kumaryna (1-benzopiran-2-on) >99% - 1000g
Cena regularna:
Cena regularna:
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 >99% - 1000g "Pin It")
Opis
Coumarin
Other Names: 1-Benzopyran-2-one, 2H-Chromen-2-one, o-Hydroxycinnamic acid lactone
Chemical Formula: C₉H₆O₂
Molar Mass: 146.15 g/mol
CAS Number: 91-64-5
Purity: >99%
Appearance: White to off-white crystalline powder
Odor: Pleasant, sweet, hay-like
Physical and Chemical Properties
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Density: ~1.26 g/cm³
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Melting Point: 68–73 °C
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Boiling Point: 297 °C
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Solubility in Water: Slightly soluble (~0.17 g/L at 25 °C)
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Solubility in Organic Solvents: Soluble in ethanol, ether, chloroform, benzene
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Flash Point: ~162 °C (closed cup)
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Stability: Stable under normal handling and storage conditions
Applications
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Chemical Synthesis: Intermediate in organic synthesis, including for dyes, optical brighteners, and fine chemicals
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Fluorescent Marker: Used in tracer dyes and laser dyes in spectroscopy
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Fragrance & Industrial Aroma Formulations: Applied in non-edible perfumery and scent compositions
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Polymer Chemistry: Occasionally used in specialty coatings and UV-sensitive materials
Safety Information
Signal Word: ⚠️ Warning
Hazard Statements:
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H301: Toxic if swallowed.
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H412: Harmful to aquatic life with long lasting effects.
Precautionary Statements – Prevention:
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P273: Avoid release to the environment.
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P280: Wear protective gloves/eye protection.
Precautionary Statements – Response:
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P301+P310: IF SWALLOWED: Immediately call a POISON CENTER or doctor.
Handling and Storage
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Handling: Avoid contact with skin, eyes, and clothing. Prevent dust generation
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Storage: Keep container tightly closed in a cool, dry, well-ventilated place. Protect from light and humidity
Environmental Considerations
Highly toxic to aquatic organisms. Avoid environmental release. Spills should be contained and cleaned up promptly.
