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CAS No.: | 629-41-4 |
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Name: | Octane-1,8-diol |
Article Data: | 87 |
Cas Database | |
Molecular Structure: | |
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Formula: | C8H18O2 |
Molecular Weight: | 146.23 |
Synonyms: | Octane-1,8-diol;18-Octanediol;1,8-Octandiol; |
EINECS: | 211-090-8 |
Density: | 0.939 g/cm3 |
Melting Point: | 57-61 °C(lit.) |
Boiling Point: | 278.8 °C at 760 mmHg |
Flash Point: | 128 °C |
Solubility: | Soluble in water and methanol. |
Appearance: | colorless to white crystals or flakes |
Hazard Symbols: |
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Risk Codes: | 20/21/22-36/37/38 |
Safety: | 26-37/39 |
PSA: | 40.46000 |
LogP: | 1.31160 |
1,8-Octanediol
Conditions | Yield |
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With Pd(OH)2/C In methanol for 5h; Reflux; | 96% |
8-(tetrahydro-2H-pyran-2-yloxy)octan-1-ol
1,8-Octanediol
Conditions | Yield |
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With tin(ll) chloride In methanol Substitution; | 95% |
With cerium(III) chloride In methanol at 20℃; for 2h; detetrahydropyranylation; | 90% |
tert-Butyl-[8-(2-methoxy-ethoxymethoxy)-octyloxy]-dimethyl-silane
1,8-Octanediol
Conditions | Yield |
---|---|
With cerium(III) chloride In acetonitrile for 1h; Heating; | 92% |
1,8-di(2-terahydropyranyloxy)-octane
1,8-Octanediol
Conditions | Yield |
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With toluene-4-sulfonic acid In methanol; water for 8h; Heating; | 89% |
Conditions | Yield |
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With formic acid; F6P(1-)*C16H22N3Ru(1+); water In 1-methyl-pyrrolidin-2-one at 25℃; for 24h; Inert atmosphere; Sealed tube; | 89% |
With 1-hydroxytetraphenylcyclopentadienyl(tetraphenyl-2,4-cyclopentadien-1-one)-μ-hydrotetracarbonyldiruthenium(II); Ru(Cp)(PPh2PytBu)2(MeCN)PF6; water In isopropyl alcohol at 80℃; for 3h; Inert atmosphere; regioselective reaction; | 80% |
Conditions | Yield |
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With 4-methylmorpholine N-oxide In dimethyl sulfoxide at 20℃; for 65.5h; | A 26% B 83% |
Conditions | Yield |
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With lithium aluminium tetrahydride | 81% |
With copper chromite at 250℃; under 308913 Torr; Hydrogenation; | |
With ethanol; sodium | |
With lithium aluminium tetrahydride; diethyl ether |
tert-Butyl-(8-methoxymethoxy-octyloxy)-dimethyl-silane
A
1,8-Octanediol
B
8-(tert-butyldimethylsiloxy)octan-1-ol
Conditions | Yield |
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With dimethylboron bromide; sodium hydrogencarbonate 1) CH2Cl2, -78 deg C, 1h, 2) THF, 5 min; Yield given. Multistep reaction; | A n/a B 81% |
With dimethylboron bromide; sodium hydrogencarbonate 1) CH2Cl2, -78 deg C, 1h, 2) THF, 5 min; Yield given. Multistep reaction; | A 10% B n/a |
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran; dichloromethane for 8h; Ambient temperature; | A 4% B 80% |
With tetrabutyl ammonium fluoride In tetrahydrofuran; dichloromethane for 8h; Product distribution; Ambient temperature; var. silyl ethers; other reagents; selectivity of protecting group removal; | A 4% B 80% |
(1-(allyloxy)(8-(tert-butyl)dimethylsiloxy))octane
1,8-Octanediol
Conditions | Yield |
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With Pd(OH)2/C In isopropyl alcohol for 1.5h; Reflux; | 78% |
IUPAC Name: Octane-1,8-diol
Synonyms of 1,8-Octanediol (CAS NO.629-41-4): EINECS 211-090-8 ; Octane-1,8-diol
CAS NO: 629-41-4
Molecular Formula of 1,8-Octanediol (CAS NO.629-41-4): C8H18O2
Molecular Weight: 146.2273
Molecular Structure:
Product Categories: Industrial/Fine Chemicals ; Miscellaneous ; alpha,omega-Alkanediols ; alpha,omega-Bifunctional Alkanes ; Monofunctional & alpha,omega-Bifunctional Alkanes ; Linear hydrocarbon series
Melting Point: 57-61 °C
Polar Surface Area: 18.46 Å2
Index of Refraction: 1.454
Molar Refractivity: 42.18 cm3
Molar Volume: 155.6 cm3
Surface Tension: 37 dyne/cm
Density of 1,8-Octanediol (CAS NO.629-41-4): 0.939 g/cm3
Flash Point: 128 °C
Enthalpy of Vaporization: 60.07 kJ/mol
Boiling Point: 278.8 °C at 760 mmHg
Vapour Pressure: 0.000507 mmHg at 25°C
It can be used as intermediates of cosmetics, plasticizers and specialty additives.
It is derived by OCTYLDODECYL ETHYLHEXANOATE as raw materials, copper - chromium oxide as catalyst and hydrogenation at high temperature under high pressure.
Hazard Codes: Xi,Xn
Risk Statements: 20/21/22-36/37/38
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39: Wear suitable gloves and eye/face protection.
WGK Germany: 3
HS Code: 29053980