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| CAS No.: | 51792-34-8 |
|---|---|
| Name: | Thiophene,3,4-dimethoxy- |
| Article Data: | 30 |
| Cas Database | |
| Molecular Structure: | |
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|
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| Formula: | C6H8O2S |
| Molecular Weight: | 144.194 |
| Synonyms: | 3,4-Dimethoxy thiophene |
| EINECS: | 628-711-7 |
| Density: | 1.136 g/cm3 |
| Melting Point: | N/A |
| Boiling Point: | 184.4 °C at 760 mmHg |
| Flash Point: | 65.3 °C |
| Solubility: | Miscible with organic solvents. Slightly miscible with water. |
| Appearance: | N/A |
| Hazard Symbols: |
 Xi, Xn
|
| Risk Codes: | 36/37/38-22 |
| Safety: | 26-36/37/39 |
| Transport Information: | N/A |
| PSA: | 46.70000 |
| LogP: | 1.76530 |
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3,4-Dimethoxythiophene (51792-34-8) is also named as AKOS BBS-00006359;3,4-Dimethoxythiophene 98% ; 3,4-dimethoxytiophene ,and so on.3,4-Dimethoxythiophene (51792-34-8) is colorless to light yellow liquid.
CAS: 51792-34-8
Molecular Formula: C6H8O2S
Molecular Weight: 144.19
Molecular structure:
Boiling point: 100-102 °C (at 10-11 mmHg)
ACD/LogD (pH 5.5): 1.63
ACD/LogD (pH 7.4): 1.63
ACD/BCF (pH 5.5): 10.27
ACD/BCF (pH 7.4): 10.27
ACD/KOC (pH 5.5): 184.31
ACD/KOC (pH 7.4): 184.31
H bond acceptors: 2
H bond donors: 0
Freely Rotating Bonds: 2
Index of Refraction: 1.51
Molar Refractivity: 37.99 cm3
Molar Volume: 126.9 cm3
Polarizability: 15.06 10-24cm3
Surface Tension: 32.8 dyne/cm
Density: 1.136 g/cm3
Flash Point: 65.3 °C
Enthalpy of Vaporization: 40.33 kJ/mol
Boiling Point: 184.4 °C at 760 mmHg
Vapour Pressure: 1.01 mmHg at 25°C
3,4-Dimethoxythiophene (51792-34-8) is commonly used as electronic materials intermediate.
Hazard Codes: Xi,Xn 
Risk Statements: 36/37/38-22 (36/37/38: Irritating to eyes, respiratory system and skin 22: Harmful if swallowed)
Safety Statements: 26-36/37/39 (26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 36/37/39: Wear suitable protective clothing, gloves and eye/face protection)
Removal in wastewater treatment of 3,4-Dimethoxythiophene (51792-34-8) can be stated as follows:
Total removal:2.78 percent
Total biodegradation:0.09 percent
Total sludge adsorption:2.11 percent
Total to Air:0.57 percent
(using 10000 hr Bio P,A,S)
