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4-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)butan-2-one

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Origin: China

Cas No: 20483-36-7

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Property

CAS No.: 20483-36-7 Formula: C13H20O Molecular Weight: 192.29700

Basic Info

Chemical Name	4-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)butan-2-one
Synonyms	dihydrodamascenone; Dehydrodihydroionone; FEMA No. 3447; UNII-XZS4VD987O;
CAS No.	20483-36-7
Molecular Formula	C13H20O
Molecular Weight	192.29700
PSA	17.07000
LogP	3.65820

Properties

Density	0.893g/cm3
Boiling Point	267.4ºC at 760mmHg
Flash Point	95.6ºC
Refractive Index	1.465
Vapor Pressure	0.00816mmHg at 25°C

Safety Info

HS Code	2914299000

Synthesis Route

3,4-didehydro-β-ionone→4-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)butan-2-one
β-ionone→4-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)butan-2-one
4-(4,4,6-trimethyl-7-oxabicyclo[4.1.0]heptan-5-yl)but-3-en-2-one→4-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)butan-2-one

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	DB-Wax	-	1841.	temperature ramp
Capillary	OV-1	-	1397.	temperature ramp
Capillary	HP-5MS	-	1424.	temperature ramp
Capillary	HP-5 MS	-	1424.	temperature ramp
Capillary	HP-5	-	1425.0	temperature ramp