Products Categories
| CAS No.: | 23788-74-1 |
|---|---|
| Name: | (R)-(-)-2,2-DIMETHYL-1,3-DIOXOLAN-4-YLMETHYL P-TOLUENESULFONATE |
| Article Data: | 45 |
| Molecular Structure: | |
|
|
|
| Formula: | C13H18O5S |
| Molecular Weight: | 286.349 |
| Synonyms: | 1,3-Dioxolane-4-methanol,2,2-dimethyl-, 4-methylbenzenesulfonate, (4R)- (9CI);1,3-Dioxolane-4-methanol,2,2-dimethyl-, 4-methylbenzenesulfonate, (R)-;((R)-2,2-Dimethyl-1,3-dioxolan-4-yl)methyl p-toluenesulfonate;(R)-(-)-2,2-Dimethyl-4-(hydroxymethyl)-1,3-dioxolanep-toluenesulfonate;(R)-(-)-a-(4-Toluenesulfonyl)glycerol acetonide;2,3-O-Isopropylidene-1-O-tosyl-D-glycerol;4-Methylbenzenesulfonic acid (R)-(2,2-dimethyl-1,3-dioxolan-4-yl)methylester;D-a,b-Isopropylideneglycerol-g-tosylate;p-Toluenesulfonic acid((4R)-2,2-dimethyl-1,3-dioxolan-4-yl)methyl ester; |
| Density: | 1.198 g/cm3 |
| Melting Point: | 41-43 °C(lit.) |
| Boiling Point: | 400.089 °C at 760 mmHg |
| Flash Point: | 195.767 °C |
| Appearance: | clear yellow to light brown viscous liquid |
| Hazard Symbols: |
 Xn,  Xi
|
| Risk Codes: | 36/37/38-22 |
| Safety: | 26-36-37/39 |
| PSA: | 70.21000 |
| LogP: | 2.93260 |
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Chemistry
The Molecular Structure of 1,3-Dioxolane-4-methanol, 2,2-dimethyl-, 4-methylbenzenesulfonate, (4r)- (CAS NO.23788-74-1):
Empirical Formula: C13H18O5S
Molecular Weight: 286.344
IUPAC Name: [(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl 4-methylbenzenesulfonate
Product Categories: chiral;Chiral Building Blocks;Dioxanes & Dioxolanes;Dioxolanes;Glycidyl Compounds, etc. (Chiral);Synthetic Organic Chemistry
Appearance: clear yellow to light brown viscous liquid
Nominal Mass: 286 Da
Average Mass: 286.344 Da
Monoisotopic Mass: 286.087494 Da
Index of Refraction: 1.506
Molar Refractivity: 71.14 cm3
Molar Volume: 239 cm3
Surface Tension: 36.5 dyne/cm
Density: 1.197 g/cm3
Flash Point: 195.8 °C
Enthalpy of Vaporization: 62.55 kJ/mol
Boiling Point: 400.1 °C at 760 mmHg
Vapour Pressure: 3.01E-06 mmHg at 25°C
Refractive index: n20/D 1.506(lit.)
Safety Profile
Hazard Codes: 
Xn
Xi
Risk Statements: 36/37/38-22
R36/37/38:Irritating to eyes, respiratory system and skin
R22:Harmful if swallowed
Safety Statements: 26-36-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36:Wear suitable protective clothing
S37/39:Wear suitable gloves and eye/face protection
WGK Germany: 3
F: 10-21
F 10: Keep under argon
F 21: Sensitive to humidity
Specification
1,3-Dioxolane-4-methanol, 2,2-dimethyl-, 4-methylbenzenesulfonate, (4r)- (CAS NO.23788-74-1) is also called as 1,2-Isopropylidene-sn-glycerol 3-tosylate ; D-alpha,beta-isopropylideneglycerol-gamma-tosylate ; D-(-)-1,2-isopropylideneglycerol 3-(p-toluenesulfonate) ; (R)-1,2-o-isopropylideneglycerol-3-toluenesulfonate ; (R)-(-)-2,2-dimethyl-1,3-dioxolan-4-ylmethyl p-toluenesulfonate ; (R)-2,2-dimethyl-1,3-dioxolane-4-methanol-4-methylbenzenesulfonate ; (R)-2,2-dimethyl-1,3-dioxolane-4-methanol toluene-4-sulfonate .