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| CAS No.: | 76855-69-1 |
|---|---|
| Name: | (3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one |
| Article Data: | 55 |
| Molecular Structure: | |
|
|
|
| Formula: | C13H25NO4Si |
| Molecular Weight: | 287.431 |
| Synonyms: | 2-Azetidinone,4-(acetyloxy)-3-[1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-, [3R-[3a(R*),4b]]-;(1'R,3R,4R)-4-acetoxy-3-(1'-tert-butyldimethylsilyloxyethyl)-2-azetidinone;(3R,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsiloxy)ethyl]azetidin-2-one;4-AA;Azetidon;2-Azetidinone,4-(acetyloxy)-3-[(1R)-1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-,(3R,4R)-; |
| EINECS: | 408-050-9 |
| Density: | 1.03 g/cm3 |
| Melting Point: | 107-109 ºC |
| Boiling Point: | 358.3 ºC at 760 mmHg |
| Flash Point: | 170.5 ºC |
| Appearance: | white to light yellow crystal powder |
| Hazard Symbols: |
 Xi, N
|
| Risk Codes: | 36-43-51/53 |
| Safety: | 24-26-37-61 |
| Transport Information: | UN 3077 9/PG 3 |
| PSA: | 64.63000 |
| LogP: | 2.36070 |
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Chemistry
IUPAC: [(2R,3S)-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-4-oxoazetidin-2-yl] acetate
Synonyms: 4-AA ; (3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one ; (3r,4r)-4-acetoxy-3-((r) (t-butyldimethylsilyloxy)ethyl) 2-Azetidinone
Molecular Formula: C13H25NO4Si
Molecular Weight: 287.43 g/mol
Melting point:107-109 °C
Index of Refraction: 1.463
EINECS: 408-050-9
Density: 1.03 g/cm3
Storage temp.: 2-8°C
Flash Point: 170.5 °C
Surface Tension: 30.6 dyne/cm
Enthalpy of Vaporization: 60.38 kJ/mol
Boiling Point: 358.3 °C at 760 mmHg
Vapour Pressure: 2.57E-05 mmHg at 25 °C
Appearance: White to light yellow crystal powder
Following is the molecular structure of (3s,4r)-4-Acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one (CAS NO.76855-69-1):
Safety Profile
Hazard Codes: 
Xi
N
Risk Statements :
R36:Irritating to eyes.
R43:May cause sensitization by skin contact.
R51/53 :Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements :
S24:Avoid contact with skin.
S26:In case of contact with eyes, rinse immediately with plenty of WATER and seek medical advice.
S37:Wear suitable gloves.
S61 :Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR : UN 3077 9/PG 3
WGK Germany :2