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CAS No.: | 16409-43-1 |
---|---|
Name: | FEMA 3236 |
Article Data: | 20 |
Molecular Structure: | |
Formula: | C10H18O |
Molecular Weight: | 154.252 |
Synonyms: | 2H-Pyran,tetrahydro-4-methyl-2-(2-methylpropenyl)- (8CI);Pyran,tetrahydro-4-methyl-2-(2-methylpropenyl)- (6CI,7CI);Rosoxide;Rose oxide L;Rosenoxide;2H-Pyran,tetrahydro-4-methyl-2-(2-methyl-1-propenyl)- (9CI); |
EINECS: | 240-457-5 |
Density: | 0.909 g/cm3 |
Boiling Point: | 196.744 °C at 760 mmHg |
Flash Point: | 66.804 °C |
Solubility: | 920mg/L at 20℃ |
Hazard Symbols: | Xi |
Risk Codes: | 38 |
Safety: | 36 |
PSA: | 9.23000 |
LogP: | 2.76770 |
(+/-)-(E)-2-methoxy-2,6-dimethyl-3-octen-8-ol
rose oxide
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In dichloromethane Ambient temperature; | 94% |
2-(2,4-Dichlorphenoxy)-3,4,5,6-tetrahydro-4-methyl-2H-pyran
2-methylpropen-1-ylmagnesium bromide
rose oxide
Conditions | Yield |
---|---|
In benzene for 0.5h; Ambient temperature; | 86% |
Acetic acid 6-chloro-3,7-dimethyl-oct-7-enyl ester
rose oxide
Conditions | Yield |
---|---|
With sodium hydroxide; sulfuric acid 1.) heating; Yield given. Multistep reaction; |
8-hydroxy-2,6-dimethyl-2-octen-4-one
rose oxide
Conditions | Yield |
---|---|
With potassium hydrogensulfate; lithium aluminium tetrahydride 1) Et2O 2) heating; Yield given. Multistep reaction; |
6-chloro-3,7-dimethylocta-7-en-1-ol
rose oxide
Conditions | Yield |
---|---|
With sodium hydroxide; sulfuric acid 1.) heating; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With iodine In tetrachloromethane for 2h; Heating; Yield given. Yields of byproduct given; |
Citronellol
A
rose oxide
B
3,7-dimethyl-oct-6-enal
C
isopulegone
D
Isopulegol
Conditions | Yield |
---|---|
With CrO3/silica gel In various solvent(s) at 40℃; under 165013 Torr; for 4h; |
(E)-2-methyl-1,5-heptadien-4-ol
rose oxide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 58 percent / mercury(II) acetate / 1.) reflux, 24 h, 2.) 2 days 2: 94 percent / sodium borohydride / ethanol 3: iodine / CCl4 / 2 h / Heating View Scheme | |
Multi-step reaction with 3 steps 1: 69 percent / propionic acid / Heating 2: 78.5 percent / lithium aluminium hydride / diethyl ether / 3 h / Heating 3: iodine / CCl4 / 2 h / Heating View Scheme |
3,7-dimethyl-4,7-octadienal
rose oxide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 94 percent / sodium borohydride / ethanol 2: iodine / CCl4 / 2 h / Heating View Scheme |
ethyl 3,7-dimethyl-4,7-octadienoate
rose oxide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 78.5 percent / lithium aluminium hydride / diethyl ether / 3 h / Heating 2: iodine / CCl4 / 2 h / Heating View Scheme |
MF: C10H18O
MW: 154.25
EINECS: 240-457-5
Flash Point: 157 °F
Refractive index n20/D 1.454
Density: 0.873 g/mL at 20 °C(lit.)
Enthalpy of Vaporization: 41.52 kJ/mol
Boiling Point: 196.7 °C at 760 mmHg
Vapour Pressure: 0.551 mmHg at 25°C
IUPAC Name: 4-Methyl-2-(2-methylprop-1-enyl)oxane
Appearance: colourless mobile liquid, powerful, distinctive geranium top note
Synonyms: (Z)-Rose oxide ; 2-(2-Methyl-1-propenyl)-4-methyltetrahydro-pyra ; 2H-Pyran, tetrahydro-4-methyl-2-(2-methyl-1-propenyl)- ; 2H-Pyran, tetrahydro-4-methyl-2-(2-methylpropenyl)- ; 4-Methyl-2-(2-methyl-1-propenyl)tetrahydro-2H-pyran ; C-rose oxide ; Pyran, 2-(2-methyl-1-propenyl)-4-methyltetrahydro- ; Pyran, tetrahydro-2-(2-methyl-1-propenyl)-4-methyl-
Following is the molecular structure of Rose oxide levo (16409-43-1):
Rose oxide levo (16409-43-1)is used as a spice, perfume and cosmetics raw materials,and mainly used for the preparation of geraniol and rose flavor, using a lot about soap flavor. Can also be used in food and tobacco flavor.
Reactivity Profile of Rose oxide levo (16409-43-1): Roses alcohol as raw materials, through acid oxidation, dimethylamine chemical combination, hydrogen peroxide formed Canadian acid cyclization.
1. | skn-rbt 500 mg/24H MOD | FCTXAV Food and Cosmetics Toxicology. 14 (1976),659. | ||
2. | orl-rat LD50:4300 mg/kg | FCTXAV Food and Cosmetics Toxicology. 14 (1976),659. |
Reported in EPA TSCA Inventory.
Mildly toxic by ingestion. A skin irritant. A combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes.
Safety Information of Rose oxide levo (16409-43-1):
Hazard Codes: Xi
Xi: Irritant
Risk Statements: 38
38: Irritating to the skin
Safety Statements: 36
36: Wear suitable protective clothing
WGK Germany: 3
RTECS: UQ1470000