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| CAS No.: | 469-61-4 |
|---|---|
| Name: | (-)-ALPHA-CEDRENE |
| Article Data: | 37 |
| Molecular Structure: | |
|
|
|
| Formula: | C15H24 |
| Molecular Weight: | 204.356 |
| Synonyms: | 1H-3a,7-Methanoazulene,2,3,4,7,8,8a-hexahydro-3,6,8,8-tetramethyl-, [3R-(3a,3ab,7b,8aa)]-; Cedr-8-ene (8CI); a-Cedrene (6CI,7CI); (-)-Cedrene; (-)-a-Cedrene; Levo-a-cedrene; [3R-(3a,3ab,7b,8aa)]-2,3,4,7,8,8a-Hexahydro-3,6,8,8-tetramethyl-1H-3a,7-methanoazulene |
| EINECS: | 207-418-4 |
| Density: | 0.932 |
| Melting Point: | 261-262°C |
| Boiling Point: | 261-262 ºC |
| Flash Point: | 110.2°C |
| Hazard Symbols: |
 
|
| Risk Codes: | 36/38-50/53 |
| Safety: | A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes. |
| PSA: | 0.00000 |
| LogP: | 4.41500 |
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- 469-61-4
alpha-cedrene
| Conditions | Yield |
|---|---|
| With toluene-4-sulfonic acid In acetonitrile at 50℃; for 0.5h; | 96% |
| Conditions | Yield |
|---|---|
| With tetrafluoroboric acid In 1,4-dioxane at 100℃; for 1h; | 93% |
- 1262998-09-3
cedrenone
- 469-61-4
alpha-cedrene
| Conditions | Yield |
|---|---|
| Stage #1: cedrenone With toluene-4-sulfonic acid hydrazide In ethanol for 2.5h; Caglioti Reductive Elimination; Reflux; Stage #2: With sodium tetrahydroborate In tetrahydrofuran; water for 2h; Reflux; | 92% |
| With potassium hydroxide; hydrazine In diethylene glycol at 125 - 215℃; for 60h; Wolff-Kishner reduction; Inert atmosphere; | 52% |
| Conditions | Yield |
|---|---|
| With acetic acid; hexacarbonyl molybdenum In tetrahydrofuran at 110℃; for 48h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; | |
| With acetic acid; In 1,4-dioxane at 100℃; for 4h; Product distribution; other tertiary alcohols and acetates; various catalysts and conditions; |
- 13567-45-8
9α-hydroxycedrane
- 469-61-4
alpha-cedrene
| Conditions | Yield |
|---|---|
| With trichlorophosphate In pyridine; ethanol at 0℃; for 19h; Heating; | 60 mg |
- 75-15-0
carbon disulfide
- 77-53-2
(+)-cedrol
- 74-88-4
methyl iodide
A
- 546-28-1
β‐cedrene
B
- 469-61-4
alpha-cedrene
C
- 35812-25-0
Dithiocarbonic acid S-methyl ester O-((3R,3aS,6R,7R,8aS)-3,6,8,8-tetramethyl-octahydro-3a,7-methano-azulen-6-yl) ester
| Conditions | Yield |
|---|---|
| Yield given. Multistep reaction; |
| Conditions | Yield |
|---|---|
| With pyridine; trichlorophosphate In toluene for 16h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
- 469-61-4
alpha-cedrene
| Conditions | Yield |
|---|---|
| With formic acid |
- 469-61-4
alpha-cedrene
| Conditions | Yield |
|---|---|
| With ethanol; sodium |
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Chemistry
Product Name: (-)-Alpha-cedrene
Synonyms: (3R-(3alpha,3Abeta,7beta,8aalpha))-2,3,4,7,8,8a-Hexahydro-3,6,8,8-tetramethyl-1H-3a,7-methanoazulene ; 1H-3a,7-methanoazulene, 2,3,4,7,8,8a-Hexahydro-3,6,8,8-tetramethyl-, (3R,3aS,7S,8aS)- ; alpha-Cedrene ; Cedr-8-ene ; Levo-alpha-cedrene
Product Categories: Industrial/Fine Chemicals
CAS NO: 469-61-4
Molecular Formula of alpha-Cedrene (CAS NO.469-61-4) : C15H24
Molecular Weight of alpha-Cedrene (CAS NO.469-61-4) : 204.35
Molecular Structure of alpha-Cedrene (CAS NO.469-61-4) :
EINECS: 207-418-4
Mol File: 469-61-4.mol
Index of Refraction: 1.515
Surface Tension: 32 dyne/cm
Density: 0.94 g/cm3
Flash Point: 110.2 °C
Enthalpy of Vaporization: 48.01 kJ/mol
Boiling Point: 262.5 °C at 760 mmHg
Vapour Pressure: 0.0177 mmHg at 25°C
Alpha : -88 º(c=10%, EtOH)
Toxicity Data With Reference
| 1. | skn-rbt 500 mg/24H MLD | FCTXAV Food and Cosmetics Toxicology. 16 (1978),637. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes 
Xi,
N
Risk Statements 36/38-50/53
R36/38:Irritating to eyes and skin.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements 26-60-61-24/25-23
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
S24/25:Avoid contact with skin and eyes.
S23:Do not breathe vapour.
RIDADR UN 3082 9/PG 3
WGK Germany 2
RTECS PB7725000
Specification
Category: Toxic Substances
To stimulate the data: skin - rabbit 500 mg / 24 hours with mild
Flammable hazardous characteristics: thermal decomposition of spicy stimulating smoke
Storage features: low-temperature air drying the Treasury
Fire-extinguishing agent: water, carbon dioxide, foam, dry powder