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| CAS No.: | 6283-74-5 |
|---|---|
| Name: | (+)-Diacetyl-L-tartaric anhydride |
| Article Data: | 31 |
| Molecular Structure: | |
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|
|
| Formula: | C8H8O7 |
| Molecular Weight: | 216.147 |
| Synonyms: | (3R-trans)-Dihydro-2,5-dioxofuran-3,4-diyl diacetate;(4-acetyloxy-2,5-dioxo-oxolan-3-yl) acetate;Tartaric anhydride, diacetate;O,O-Diacetyl tartaric acid anhydride;2,5-Furandione, 3, 4-bis (acetyloxy)dihydro-, (3R-trans)-;Diacetyl-L-Tartaric Anhydride;Di-O-Acetyl-L-tartaric anhydride; |
| EINECS: | 228-502-7 |
| Density: | 1.43 g/cm3 |
| Melting Point: | 130-135 °C(lit.) |
| Boiling Point: | 350.6 °C at 760 mmHg |
| Flash Point: | 158.2 °C |
| Solubility: | slightly soluble in Water |
| Appearance: | White crystals or needles |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 20 22 |
| Safety: | 26-36 37 39 |
| PSA: | 95.97000 |
| LogP: | -1.06680 |
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Chemistry
Molecular Structure of O,O-Diacetyl tartaric acid anhydride (CAS NO.6283-74-5):
EINECS: 228-502-7
IUPAC Name: (4-Acetyloxy-2,5-dioxooxolan-3-yl) acetate
Molecular Formula: C8H8O7
Molecular Weight: 216.144920 g/mol
XLogP3-AA -0.4
H-Bond Donor 0
H-Bond Acceptor 7
Canonical SMILES: CC(=O)OC1C(C(=O)OC1=O)OC(=O)C
InChI: InChI=1S/C8H8O7/c1-3(9)13-5-6(14-4(2)10)8(12)15-7(5)11/h5-6H,1-2H3
InChIKey: XAKITKDHDMPGPW-UHFFFAOYSA-N
Index of Refraction: 1.477
Molar Refractivity: 42.68 cm3
Molar Volume: 150.9 cm3
Surface Tension: 48.5 dyne/cm
Density: 1.43 g/cm3
Flash Point: 158.2 °C
Enthalpy of Vaporization: 59.52 kJ/mol
Boiling Point: 350.6 °C at 760 mmHg
Vapour Pressure: 4.34E-05 mmHg at 25 °C
Melting Point: 130-135 °C(lit.)
Water Solubility: mg/L at 25 °C
Refractive Index: 90 ° (C=0.5, CHCl3)
Sensitive: Moisture
Storage Temp.: - 20°C
BRN: 87315
Safety Profile
Safety Information of O,O-Diacetyl tartaric acid anhydride (CAS NO.6283-74-5):
Hazard Codes: Xi 
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36:Wear suitable protective clothing
WGK Germany: 3
F: 3-10-21
Specification
O,O-Diacetyl tartaric acid anhydride with CAS Registry Number of 6283-74-5 is white crystals. It is incompatible with strong oxidizing agents, strong acids. When heated to decomposition, it yields Carbon monoxide , Carbon dioxide . It is also known as (3R-trans)-Dihydro-2,5-dioxofuran-3,4-diyl diacetate .