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LC1448 Coumarin

for synthesis

 

Order number Packaging Quantity Price €
AC28448 Plastic bottle 250 g 24.53
AC28448 Plastic bottle 1 kg 84.6

 

Product information
Synonyms 5,6-Benzo-2-pyrone
Hill Formula C9H6O2
HS Code 2932 21 00
EC number 202-086-7
Molar mass 146.14 g/mol
CAS number 91-64-5

 

Chemical and physical data
Solubility 1.7 g/l (20 °C)
Melting point 68 – 71 °C
Molar mass 146.14 g/mol
Density 0.935 g/cm3
Boiling point 298 – 302 °C
Vapor pressure 1.3 hPa (106 °C)
Flash point 162 °C

 

Safety information
R Phrase R 22
Harmful if swallowed.
Categories of danger harmful
Hazard Symbol Harmful
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

 

Transport information
Declaration (transport by sea) IMDG-Code UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(2H-1-BENZOPYRAN-2-ON), 6.1, III
Declaration (transport by air) IATA-DGR UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(2H-1-BENZOPYRAN-2-ON), 6.1, III

 

Toxicological data
LD 50 oral LD50 rat 293 mg/kg

 

Specifications
Assay (HPLC, area%) ≥ 99 %
Melting range
– lower value
≥ 68 °C
– upper value ≤ 71 °C
Identity (IR) passes test

 

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