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8007-02-1

8007-02-1 Structure

8007-02-1 Structure
IdentificationBack Directory
[Name]

LEMONGRASS OIL, WEST INDIAN TYPE
[CAS]

8007-02-1
[Synonyms]

FEMA 2624
LEMONGRASS
CYMBOPOGONOIL
LEMONGRASS OIL
Oils,lemongrass
OIL, LEMONGRASS
LEMONGRASSESSENCE
Lemongrassoil/Citral
LEMONGRASSOILEASTINDIA
LEMONGRASS OIL TERPENES
westindianlemongrassoil
lemongrassoilwestindian
oiloflemongrass,westindian
LEMONGRASS OIL, EAST INDIAN
CYMBOPOGON SCHOENANTHUS OIL
LEMONGRASS OIL EI (EAST INDIAN)
LEMONGRASS OIL, WEST INDIAN TYPE
LEMONGRASS OIL, EAST-INDIAN TYPE
LEMONGRASS OIL, GUATEMALAN, RECTIFIED
lemongrassoilfromcymbopogoncitratusd.c.
Cymbopogoncitratusoil=Cymbopogoniscitratiaetheroleum
LEMONGRASS OIL FROM CYMBOPOGON CITRATUS D.C., NATURAL
[EINECS(EC#)]

801-680-9
[Molecular Formula]

W99
[MDL Number]

MFCD00147429
Chemical PropertiesBack Directory
[Boiling point ]

224 °C (lit.)
[density ]

0.896 g/mL at 25 °C
[FEMA ]

2624
[refractive index ]

n20/D 2.487(lit.)
[Fp ]

160 °F
[storage temp. ]

2-8°C
[optical activity]

[α]20/D 10 to 0°, neat
[Uses]

lemongrass oil (Cymbopogon citratus) is considered astringent and tonic, it has also exhibited anti-fungal properties. It is widely used in the perfume and soap industries. Lemongrass oil is the volatile oil distilled from the leaves of the lemon grasses.
[EPA Substance Registry System]

Oils, lemongrass(8007-02-1)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

38-36/37/38
[Safety Statements ]

26-36
[RIDADR ]

1760
[WGK Germany ]

3
[RTECS ]

OG8257000
[F ]

8
[HazardClass ]

8
[PackingGroup ]

III
[Toxicity]

Both the acute oral LD50 value in rats and the acute dermal LD50 value in rabbits exceeded 5 g/kg
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Vanillin
[Preparation Products]

Citral-->Decyl aldehyde-->Geranyl acetate-->methylheptenone
Hazard InformationBack Directory
[Description]

Herbaceous grasses that grow wild in several tropical and subtrop ical regions. The East Indian variety is grown in eastern India, Cambodia, Singapore, and Ceylon. The West Indian type is grown in Madagascar, the Comoro Islands, Guatemala, Honduras, Brazil, Haiti, and Puerto Rico. The East Indian variety yields an alcohol soluble oil (1:2 in 70% alcohol); West Indian lemongrass is soluble 1:10 in 90% alcohol with haze. The part used is the herbaceous portion. Lemongrass has a strong, pungent, lemon-like odor.
The essential oil is obtained by steam distillation of freshly cut (East Indian variety) or partially dried (West Indian variety) grass in approximately 0.2 to 0.3% and 0.31 to 0.37% yields, respec tively.
East Indian Lemongrass Oil: East Indian lemongrass oil is a pale-yellow to brown-yellowish liquid; it has a characteristic, sharp, pungent, lemon-like odor because of the large amount of citral present (80 to 85%).
In addition to citral, the main constituents of the East Indian oil include citronellal, geraniol, nerol, famesol, dipentene, methylhep tenone, and probably limonene.
West Indian Lemongrass Oil: West Indian lemongrass oil is a pale-yellow to brownish liquid with a pronounced citral odor. Its physical-chemical constants are as follows.
Its main constituents include isovaleric aldehyde, furfural, myrcene, dipentene, methylheptenone, aldehyde C10, citronellal, various esters, linalool, geraniol, nerol, and terpenes.
Constituents include: andrographolide; andrographidin A; andro graphidin B; andrographidin C; andrographidin D; andrographidin E; andrographidin F; andrographin; andrographinin; andrographi side; andropanoside; apigenin-4,7-di-o-methyl ether; gamma-bis abolene; caffeic acid; carvacrol; chlorogenic acid; deoxyandro graphiside; dicaffeoyl quinic acid; 5-dihydroxy-7,8-dimethoxy flavone; eugenol; 2-cis-6-trans-famesol; 2-trans-6-trans-farnesol; 5-hydroxy-7,8-dimethoxyflavone; 5-hydroxy-2,3,7,8-tetrameth oxyflavone; myristic acid; oroxyline A; panicolin; paniculide B; and sitosterol-α-1.
[Chemical Properties]

Herbaceous grasses that grow wild in several tropical and subtropical regions. The East Indian variety is grown in eastern India, Cambodia, Singapore and Sri Lanka. The West Indian type is grown in Madagascar, the Comoro Islands, Guatemala, Honduras, Brazil, Haiti and Puerto Rico. The part used is the herbaceous portion. The freshly cut and partially dried leaves are used medicinally. Lemongrass has a strong, pungent, lemon-like odor
[Chemical Properties]

The oil is obtained by steam distillation of freshly cut (East Indian variety) or partially dried (West Indian variety) grass in approximately 0.2 to 0.3% and 0.31 to 0.37% yields, respectively. East Indian lemongrass oil is a pale-yellow to brown-yellow liquid. It has a characteristic, sharp, pungent, lemon-like odor because of the large amount of citral present (80 to 85%). West Indian lemongrass oil is a pale-yellow to brownish liquid with a pronounced citral odor as well.
[Chemical Properties]

West Indian or Guatemala lemongrass oil is obtained from Cymbopogon citratus (DC. ex Nees) Stapf in Central and South America. Guatemala produces ~50 t/yr. It is a pale yellow to orange-yellow liquid with a lemon-like odor, characteristic of citral.
d2020 0.872–0.900; n20D 1.483–1.489; α20D ?6 ° to 0 °; content of carbonyl compounds (calculated as citral): min. 75%; citral content by GC: 31–40% neral and 40–50% geranial; solubility: freshly distilled oil is soluble in 70% ethanol at 20 ℃, but solubility diminishes on storage, and the oil may become insoluble in 90% ethanol.
[Occurrence]

Found in the grasses of Cymbopogon citratus (Stapf) and Andropogon nardus var. ceriferus
[Preparation]

By steam distillation of the freshly cut and partially dried grasses
[Essential oil composition]

The main constituents include isovaleric aldehyde, furfural, myrcene, dipentene, methylheptenone, citronellal, various esters, linalool, geraniol, nerol and terpenes.
[Essential oil composition]

The oil from C. citrates mainly contains a mixture of two isomers of citral (65 to 82%), geraniol (56 to 61%) and neral (31%). Other compounds include myrcene (20%), geraniol, diterpenes, alcohols, aldehydes and other minor fragrant components. The citral content from many species varies. East Indian lemongrass is reported to contain no citral, but up to 30% borneol.
[Taste threshold values]

Taste characteristics at 0.25%: green, citrus, lemon, floral, linalool, spice and chamomile-like
[General Description]

Lemongrass oil is a volatile oil with a fresh grassy lemon-like aroma. It is generally obtained from the lemongrass leaves. Lemongrass oil is usually composed of geranial up to 60%, neral up to 30%, geraniol up to 4%, limonene, and linalool.
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