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.

Category: Daily Chemicals Tag: Daily Chemicals

Description

Description

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 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).