Hydrocoumarin CAS# 119-84-6
Hydrocoumarin CAS# 119-84-6 - Image 2
Hydrocoumarin CAS# 119-84-6 - Image 3
Hydrocoumarin CAS# 119-84-6 - Image 4

Hydrocoumarin CAS# 119-84-6

Dihydrocoumarin is also known as 1,2-benzodihydropyranone, Tonkamel, and Melilotine. Natural products exist in Melilotus officinalis. It has a coumarin-like aroma at room temperature and a nitrobenzene smell at high temperatures. It has a spicy taste. It is a colorless or light yellow viscous liquid, or leaf-shaped crystals. Relative molecular weight 148.17. Relative density 1.169 (18°C). Melting point 25°C. Boiling point 272°C, 145°C (2.400×103Pa). Refractive index 1.5563. Flash point 130°C. It is slightly soluble in water, soluble in ethanol and ether, and easily soluble in chloroform. Vapor irritates the skin, eyes and respiratory tract. The oral LD50 of rats is 1460mg/kg.

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Hydrocoumarin CAS# 119-84-6

Dihydrocoumarin Basic information
Description Sources
Product Name: Dihydrocoumarin
Synonyms: AKOS 222-08;Hydrocoumarin,6-methyl-4phenyl-3,4dihydro-6-methyl-4-phenyl-2h-benzopyran-2-one;Dihydrocoumarin 1g [119-84-6];Dihydrocoumarin,3,4-Dihydro-1-benzopyran-2-one, Benzodihydropyrone, Hydrocoumarin;DIHYDROCOUMARIN,3,4-(RG);3,4-dihydrobenzopyran-2-one;DIHYDROCOUMARIN FOR SYNTHESIS;DihydrocouMarin 99%
CAS: 119-84-6
MF: C9H8O2
MW: 148.16
EINECS: 204-354-9
Product Categories: Coumarins
Mol File: 119-84-6.mol
Dihydrocoumarin Structure
Dihydrocoumarin Chemical Properties
Melting point 24-25 °C (lit.)
Boiling point 272 °C (lit.)
density 1.169 g/mL at 25 °C (lit.)
vapor pressure 13.6kPa at 20℃
refractive index n20/D 1.556(lit.)
FEMA 2381 | DIHYDROCOUMARIN
Fp >230 °F
storage temp. Sealed in dry,2-8°C
solubility Chloroform, Methanol (Sparingly)
form Solid
Specific Gravity 1.169
color Colourless to Off-White
Odor at 10.00 % in dipropylene glycol. sweet tonka coumarinic coconut herbal cinnamon balsamic
Odor Type tonka
Water Solubility insoluble
JECFA Number 1171
BRN 4584
LogP 1.82 at 25℃
CAS DataBase Reference 119-84-6(CAS DataBase Reference)
NIST Chemistry Reference 2H-1-Benzopyran-2-one, 3,4-dihydro-(119-84-6)
EPA Substance Registry System 3,4-Dihydrocoumarin (119-84-6)
Safety Information
Hazard Codes Xn
Risk Statements 22-36/37/38
Safety Statements 26-36
WGK Germany 3
RTECS MW5775000
TSCA Yes
HS Code 29322980
Hazardous Substances Data 119-84-6(Hazardous Substances Data)
toxicity The acute oral LD50 value in rats was reported as 1.65 g/kg (1.47-1.83 g/ kg) (Moreno, 1972a). The acute dermal LD50 value in rabbits was reported as > 5 g/kg (Moreno, 1972b).

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