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LC1449 Coumarin-3-carboxylic acid

for synthesis


Order number Packaging Quantity Price €
AC28449 Plastic bottle 10 g 24.53


Product information
Synonyms 2-Oxo-2H-1-benzopyran-3-carboxylic acid
Hill Formula C10H6O4
HS Code 2932 29 85
EC number 208-518-0
Molar mass 190.15 g/mol
CAS number 531-81-7


Chemical and physical data
Solubility 13 g/l (37 °C)
Melting point 188 – 191 °C
Molar mass 190.15 g/mol


Safety information
R Phrase R 25
Toxic if swallowed.
S Phrase S 25-37-45
Avoid contact with eyes.Wear suitable gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger toxic
Hazard Symbol Toxic
Storage class Combustible substances, toxic
WGK WGK 3 highly water endangering
Disposal 9
Carcinogenic compounds and flammable compounds labelled “Highly toxic” or “Toxic”: container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).


Transport information
Declaration (transport by sea) IMDG-Code UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(COUMARIN-3-CARBOXYLIC ACID), 6.1, III
Declaration (transport by air) IATA-DGR UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(COUMARIN-3-CARBOXYLIC ACID), 6.1, III


Toxicological data
LD 50 oral LD50 rat 200 mg/kg


Assay (HPLC, area%) ≥ 99 %
Melting range
– lower value
≥ 188 °C
– upper value ≤ 191 °C
Identity (IR) passes test


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