|
Product Name: |
3,7-DIMETHYL-1-OCTANOL |
|
Synonyms: |
DIMETHYLOCTANOL;DIHYDROCITRONENELLOL;FEMA 2391;3,7-DIMETHYL OCTANOL;3,7-DIMETHYL-1-OCTANOL;TETRAHYDROGERANIOL;PELARGOL;3 7-DIMETHYL-1-OCTANOL 98+% FCC |
|
CAS: |
106-21-8 |
|
MF: |
C10H22O |
|
MW: |
158.28 |
|
EINECS: |
203-374-5 |
|
Mol File: |
106-21-8.mol |
|
|
|
|
Melting point |
-1.53°C (estimate) |
|
Boiling point |
98-99 °C9 mm Hg(lit.) |
|
density |
0.828 g/mL at 20 °C(lit.) |
|
vapor density |
5.4 (vs air) |
|
vapor pressure |
<0.01 mm Hg ( 20 °C) |
|
refractive index |
n20/D 1.436(lit.) |
|
FEMA |
2391 | 3,7-DIMETHYL-1-OCTANOL |
|
Fp |
203 °F |
|
form |
Liquid |
|
pka |
15.13±0.10(Predicted) |
|
color |
Clear colorless |
|
JECFA Number |
272 |
|
BRN |
1719638 |
|
CAS DataBase Reference |
106-21-8(CAS DataBase Reference) |
|
EPA Substance Registry System |
1-Octanol, 3,7-dimethyl- (106-21-8) |
|
Hazard Codes |
Xi |
|
Risk Statements |
36/37/38 |
|
Safety Statements |
23-26-36 |
|
RIDADR |
UN 3082 9 / PGIII |
|
WGK Germany |
1 |
|
RTECS |
RH0900000 |
|
HS Code |
29051990 |
|
Chemical Properties |
Tetrahydrogeraniol has been identified in citrus oils and is a colorless liquid with a waxy, rose-petal-like odor. It is prepared by hydrogenation of geraniol or citronellol in the presence of a nickel catalyst and is a by-product in the synthesis of citronellol from geraniol or nerol. Because of its stability, it is often used to perfume household products. |
|
Chemical Properties |
3,7-Dimethyl-1-octanol has a sweet, rosy odor and bitter tas |
|
Chemical Properties |
Clear colorless liquid |
|
Preparation |
Usually prepared by hydrogenation of geraniol, citronellol or citronellal. |
|
Production Methods |
3,7-Dimethyl-1-octanol is commercially produced by the reduction of geraniol or by the reduction of citronellol, citronellal, or citral. It is used in fragrances and in foods. |
|
Aroma threshold values |
Aroma characteristics at 1%: fresh fatty, waxy, soapy, aldehydic citrus with lemon, lime and orange nuances. It has rosy and green woody notes |
|
Taste threshold values |
Taste characteristics at 1 to 10 ppm: fatty, waxy, soapy with floral rosy and fresh citrus-woody nuances. Natural occurrence: Reported found in lemon, lemon peel oil and thyme; corresponds to the dl-form of dihydro-citronellol. |
|
Safety Profile |
Moderately toxic by skin contact. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes. |
|
Raw materials |
Citronellol-->Geraniol |
