8.22316

Coumarin

for synthesis

• Synonym(e): Coumarin, 5,6-Benzo-2-pyrone
• Empirische Formel (Hill-System): C₉H₆O₂
• CAS-Nummer: 91-64-5
• Molekulargewicht: 146.14
• UNSPSC Code: 12352115
• EC Index Number: 202-086-7
• NACRES: NA.22
• MDL number: MFCD00006850

Eigenschaften

• vapor pressure: 1.3 hPa ( 106 °C)
• Quality Segment: 200
• assay: ≥99.0% (HPLC)
• form: crystals
• potency: 293 mg/kg LD₅₀, oral (Rat)
• mp: 68-71 °C
• transition temp: flash point 162 °C
• density: 0.935 g/cm³
• storage temp.: 2-30°C
• SMILES string: O1c2c(cccc2)C=CC1=O
• InChI: 1S/C9H6O2/c10-9-6-5-7-3-1-2-4-8(7)11-9/h1-6H
• InChI key: ZYGHJZDHTFUPRJ-UHFFFAOYSA-N

Beschreibung

Analysis Note

Assay (HPLC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 68 °C
Melting range (upper value): ≤ 71 °C
Identity (IR): passes test

Sicherheitshinweise

• pictograms: GHS06
• signalword: Danger
• hcodes: H301 + H311 - H317
• pcodes: P261 - P264 - P272 - P280 - P301 + P310 - P302 + P352 + P312
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Skin Sens. 1
• Lagerklasse: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• wgk: WGK 1
• flash_point_f: 323.6 °F - closed cup
• flash_point_c: 162 °C - closed cup