Beta-Damascone

CAS No.：35044-68-9

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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Beta-Damascone Basic information

Product Name:	Beta-Damascone
Synonyms:	2-Buten-1-one, 1-(2,6,6-trimethyl-1-cyclohexen-1-yl)-;B-Damascone;1-(2,6,6-Trimethyl-1-cyclohexenyl)-2-butene-1-one;1-(2-Butenoyl)-2,6,6-trimethyl-1-cyclohexene;3,4-Dihydro-3,4,7-megastigmatrien-7-one;BETA-DAMASCONE;α-DAMASCONE
CAS:	35044-68-9
MF:	C13H20O
MW:	192.3
EINECS:
Product Categories:
Mol File:	35044-68-9.mol

Beta-Damascone Chemical Properties

Boiling point	271.2±10.0 °C(Predicted)
density	0.907±0.06 g/cm3(Predicted)
FEMA	3243 \| 1-(2,6,6-TRIMETHYL-1-CYCLOHEXEN-1-YL)-2-BUTEN-1-ONE
storage temp.	2-8°C
JECFA Number	384
EPA Substance Registry System	2-Buten-1-one, 1-(2,6,6-trimethyl-1-cyclohexen-1-yl)- (35044-68-9)

Safety Information

MSDS Information

Beta-Damascone Usage And Synthesis

Chemical Properties	Beta-Damascone is a colorless to pale yellow liquid with a very powerful floral, complex fruity note, reminiscent of plum, rose, and blackcurrant. ??-Damascone is found as a volatile constituent of many natural materials, for example, in rose oils and extracts. One synthetic route to the damascones starts with an appropriate cyclogeranic acid derivative (halide, ester, etc.). This is reacted with an allyl magnesium halide to give 2,6,6-trimethylcyclohexenyl diallyl carbinol, which on pyrolysis yields the desired l-(2,6,6-trimethylcyclohexenyl)-3-buten-l-one. Damascone is obtained by rearrangement of the double bond in the side chain. The ??- and ??-damascones are used in perfume compositions, especially rose perfumes, and in flavor compositions, to which they impart naturalness and body.
Occurrence	In Burley tobacco oil; in volatile fractions from leaves of Carphephorus corymbosus and C. paniculatus. Reported found in bilberry, butter, milk, caviar, chicken fat, cooked beef and mutton, cured pork, pork and beef fat, roasted filberts and peanuts, pecans, potato chips, soybean, coriander leaf and seed and kiwifruit.
Preparation	Various methods: recently from ionone izoxazoles, also from 7,8-dehydro-β-ionole.
Aroma threshold values	Detection: 8.6 to 41 ppb
Taste threshold values	Taste characteristics at 30 ppm: green, woody, minty with a herbal floral nuance.

Beta-Damascone Preparation Products And Raw materials

Raw materials

3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)isoxazole-->1-(2,6,6-trimethyl-3-cyclohexen-1-yl)ethan-1-one-->Ethanone, 1-(2,6,6-trimethyl-1-cyclohexen-1-yl)-

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