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Guaiazulene CAS 489-84-9

7-Isopropyl-1,4-dimethylazulene; 1,4-Dimethyl-7-isopropylazulene CAS 489-84-9

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Product Name:    Guaiazulene
Synonyms:    Guaiazulenum;1,4-dimethyl-7-(1-methylethyl)-azulen;1,4-Dimethyl-7-(1-methylethyl)azulene;1,4-dimethyl-7-(1-methylethyl)-Azulene;1,4-dimethyl-7-isopropyl-azulen;3,8-Dimethyl-5-(2-propyl)azulene;AZ-8;AZ-8 beris
CAS:    489-84-9
MF:    C15H18
MW:    198.3
EINECS:    207-701-2
Product Categories:    -;Azulenes;Biochemistry;Terpenes;Terpenes (Others);Tropolones & Azulenes;Arenes;Building Blocks;Chemical Synthesis;Organic Building Blocks
Mol File:    489-84-9.mol
Guaiazulene Structure
Guaiazulene Chemical Properties
Melting point     27-29 °C(lit.)
Boiling point     153 °C7 mm Hg(lit.)
density     0.976 g/mL at 25 °C(lit.)
refractive index     1.3166 (estimate)
Fp     >230 °F
storage temp.     2-8°C
form     Low Melting Crystalline Solid
color     Dark blue
Water Solubility     Soluble in alcohol, water, 0.1115 mg/L @ 25°C (est).
Guaiazulene Usage And Synthesis
Chemical Properties    DARK BLUE LOW MELTING CRYSTALLINE SOLID
Uses    antioxidant, inhibits lipid peroxidation inhibitor, antiinflammatory, hepatoprotectant; LD50(rat) 1550 mg/kg po
Guaiazulene Preparation Products And Raw materials
Preparation Products    GUM GUAIAC-->Guaiacwood oil
Guaiazulene, also azulon or 1,4-dimethyl-7-isopropylazulene, is a dark blue crystalline hydrocarbon. A derivative of azulene, guaiazulene is a bicyclic sesquiterpene that is a constituent of some essential oils, mainly oil of guaiac and chamomile oil, which also serve as its commercial sources. Various soft corals also contain guaiazulene as a principal pigment. Its low melting point makes guaiazulene difficult to handle, in contrast to the crystalline nature of the parent azulene. The electronic structure (and colors) of guaiazulene and azulene are very similar.
The blue color of the mushroom Lactarius indigo is due to the guaiazulene derivative (7-isopropenyl-4-methylazulen-1-yl)methyl stearate.
Appearance & Physical State     dark blue semi-solid
Density     0.976
Boiling Point     153ºC (7 mmHg)
Melting Point     27-29ºC
Flash Point     113ºC
Refractive Index     1.4985 (25ºC)
Stability     Stable under normal temperatures and pressures.
Storage Condition     2-8ºC
1,4-Dimethyl-7-isopropylazulene; 7-isopropyl-1,4-dimethylazulene; 1,4-dimethyl-7-(propan-2-yl)azulene

Guaiazulene CAS 489-84-9