3-Formyl-4-methoxyphenylboronic acid(121124-97-8) is also named as 5-BORONO-2-METHOXYBENZALDEHYDE;4-METHOXY-3-FORMYLBENZENEBORONIC ACID;3-FORMYL-4-METHOXYBENZENEBORONIC ACID;AKOS BRN-0044;5-Borono-o-anisaldehyde~5-Borono-2-methoxybenzaldehyde~3-Formyl-4-methoxyphenylboronic acid;5-Borono-o-anisaldehyde;BM195;CID2759225;(3-formyl-4-methoxy-phenyl)boronic Acid;I01-3903,and so on.

CAS: 121124-97-8
Molecular Formula: C₈H₉BO₄
Molecular Weight: 179.97
Molecular structure:
Melting point:  214-217 °C(lit.)
Sensitive:  Air Sensitive
BRN:  7423998
ACD/LogD (pH 5.5): 1.09 
ACD/LogD (pH 7.4): 1.02 
ACD/BCF (pH 5.5): 3.93 
ACD/BCF (pH 7.4): 3.41 
ACD/KOC (pH 5.5): 92.71 
ACD/KOC (pH 7.4): 80.42 
H bond acceptors: 4 
H bond donors: 2 
Freely Rotating Bonds: 5 
Index of Refraction: 1.537 
Molar Refractivity: 44.62 cm³ 
Molar Volume: 142.8 cm³ 
Polarizability: 17.68 10^-24cm³ 
Surface Tension: 48.7 dyne/cm 
Density: 1.25 g/cm³ 
Flash Point: 192.5 °C 
Enthalpy of Vaporization: 68.01 kJ/mol 
Boiling Point: 394.8 °C at 760 mmHg 
Vapour Pressure: 6.11E-07 mmHg at 25°C

3-Formyl-4-methoxyphenylboronic acid(121124-97-8) is commonly used as fine chemical and pharmaceutical intermediate.

Hazard Codes:  C,Xi  
Risk Statements:  34 (34:  Causes burns)
Safety Statements:  22-26-36/37/39-45 (22:  Do not breathe dust 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 45:  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible))
RIDADR:  UN 3261 8/PG 2
WGK Germany:  3
Hazard Note:  Irritant

Removal in wastewater treatment of 3-Formyl-4-methoxyphenylboronic acid(121124-97-8) can be stated as follows:
Total removal:1.97  percent
Total biodegradation:0.09  percent
Total sludge adsorption:1.88  percent
Total to Air:0.00  percent
(using 10000 hr Bio P,A,S)