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| CAS No.: | 16409-43-1 |
|---|---|
| Name: | FEMA 3236 |
| 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 |
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- 868552-84-5
(+/-)-(E)-2-methoxy-2,6-dimethyl-3-octen-8-ol
- 16409-43-1
rose oxide
| Conditions | Yield |
|---|---|
| With boron trifluoride diethyl etherate In dichloromethane Ambient temperature; | 94% |
- 57745-77-4
2-(2,4-Dichlorphenoxy)-3,4,5,6-tetrahydro-4-methyl-2H-pyran
- 38614-36-7
2-methylpropen-1-ylmagnesium bromide
- 16409-43-1
rose oxide
| Conditions | Yield |
|---|---|
| In benzene for 0.5h; Ambient temperature; | 86% |
- 74514-34-4
Acetic acid 6-chloro-3,7-dimethyl-oct-7-enyl ester
- 16409-43-1
rose oxide
| Conditions | Yield |
|---|---|
| With sodium hydroxide; sulfuric acid 1.) heating; Yield given. Multistep reaction; |
- 81925-87-3
8-hydroxy-2,6-dimethyl-2-octen-4-one
- 16409-43-1
rose oxide
| Conditions | Yield |
|---|---|
| With potassium hydrogensulfate; lithium aluminium tetrahydride 1) Et2O 2) heating; Yield given. Multistep reaction; |
- 17690-32-3, 27463-30-5
6-chloro-3,7-dimethylocta-7-en-1-ol
- 16409-43-1
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; |
- 106-22-9
Citronellol
A
- 16409-43-1
rose oxide
B
- 106-23-0, 26489-02-1
3,7-dimethyl-oct-6-enal
C
- 29606-79-9
isopulegone
D
- 89-79-2
Isopulegol
| Conditions | Yield |
|---|---|
| With CrO3/silica gel In various solvent(s) at 40℃; under 165013 Torr; for 4h; |
- 107791-76-4
(E)-2-methyl-1,5-heptadien-4-ol
- 16409-43-1
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 |
- 29414-60-6
3,7-dimethyl-4,7-octadienal
- 16409-43-1
rose oxide
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: 94 percent / sodium borohydride / ethanol 2: iodine / CCl4 / 2 h / Heating View Scheme |
- 86000-34-2
ethyl 3,7-dimethyl-4,7-octadienoate
- 16409-43-1
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 |
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Chemistry
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):
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Uses
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.
Production
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.
Toxicity Data With Reference
| 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. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
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 .gif){kind=small}
Risk Statements: 38
38: Irritating to the skin
Safety Statements: 36
36: Wear suitable protective clothing
WGK Germany: 3
RTECS: UQ1470000