CAS 3740-52-1 | 2-Nitrophenylacetic Acid
Molecular Formula: C8H7NO4
Molecular Weight: 181.15
EINECS: 223-128-0
Purity: 97% Min.
Package: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
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Product Introduction
Introduction
o-Nitrophenylacetic acid is a widely used intermediate in organic synthesis. o-Nitrophenylacetic acid can be used to synthesize benzo-Chemicalbook furan-2(3H)-one by ammonium sulfide reduction, diazotization reaction and hydrolysis. Benzofuran-2(3H)-one is an important intermediate in organic synthesis. In synthetic medicine, pesticides and new antioxidants.
Specification of CAS 3740-52-1 | 2-Nitrophenylacetic acid
ITEMS | SPECIFICATION |
Melting point | 137-140 °C (lit.) |
storage temp. | Sealed in dry,Room Temperature |
color | Yellow to beige |
refractive index | 1.5468 |
form | Crystalline Powder |
EPA Substance Registry System | 2-Nitrophenylacetic acid (3740-52-1) |
density | 1.4283 |
Boiling point | 314.24°C |
pka | 4(at 25℃) |
NIST Chemistry Reference | Benzeneacetic acid, 2-nitro-(3740-52-1) |
BRN | 1959243 |
CAS DataBase Reference | 3740-52-1(CAS DataBase Reference) |
Synthesis of CAS 3740-52-1 | 2-Nitrophenylacetic acid
Conditions
Stage #1: 1-methyl-2-nitrobenzene; oxalic acid diethyl ester With sodium In ethanol at 20 - 45℃; for 3h;
Stage #2: With water In ethanol at 60℃; for 1h; Reagent/catalyst;
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