CAS 51-66-1 | Methacetin
Molecular Formula: C9H11NO2
Molecular Weight: 165.19
EINECS: 200-114-2
Purity: 97% Min.
Package: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
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Product Introduction
Introduction
Methacetin is used in the manufacture of disperse navy blue 2GL and jujube red GP color base, and is also an intermediate for dye disperse dark blue HGL and pharmaceuticals.
Specification of CAS 51-66-1 | Methacetin
ITEMS | SPECIFICATION |
Melting point | 128-130 °C(lit.) |
storage temp. | Sealed in dry,Room Temperature |
Merck | 14,51 |
Refractive index | 1.5839 |
Form | Crystalline |
EPA Substance Registry System | Acetamide, N-(4-methoxyphenyl)- (51-66-1) |
Water Solubility | 0.42 g/100 mL (20 oC) |
Density | 1.1603 |
Boiling point | 293.03°C |
pka | 14.53 |
NIST Chemistry Reference | N-(4-Methoxyphenyl)acetic acid amide(51-66-1) |
BRN | 387887 |
CAS DataBase Reference | 51-66-1(CAS DataBase Reference) |
Synthesis of CAS 51-66-1 | Methacetin

Conditions
With O-trifluorobenzenesulfonyl-acetohydroxamic acid ethyl ester; toluene-4-sulfonic acid In water; acetonitrile at 20℃; Beckmann Rearrangement; Inert atmosphere;
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