α-Napthyl acetate/1-Napthyl acetate

English Name: α- Napthyl acetate； 1-Napthyl acetate

Other names: acetic acid-1-naphthalene ester; 1-naphthyl acetate; 1-naphthyl acetate; α- Naphthalene acetate; 1-naphthyl acetate

CAS No.: 830-81-9

C12H10O2=186.21

Grade: CP

Content: ≥ 98.0%

Melting point: 47 ～ 49 ℃

Acidity (calculated by H +) / (mmol / 100g): ≤ 1.65

Ethanol dissolution test: acceptable

Loss on drying: ≤ 0.50%

Physicochemical properties : colorless needle or reddish brown powder. Soluble in ethanol and ether, insoluble in water. Flash point ＞ 110 ℃. Maximum absorption wavelength (in 95% ethanol) 232nm (log ε  4.5)、282nm(log ε  3.65)

Purpose: biochemical research. Use this product to be α- Esterase hydrolysis and precipitation α- Naphthol, a chromoazo dye formed by diazonium salt in 0.05m phosphate buffer, was used in enzyme histochemistry for the determination of pyridine α- Enzyme enzyme. Determination in enzyme chemistry α- Substrate of esterase. Colorimetric determination of carboxylesterase degradation by pesticides. Organic synthesis intermediate

Storage: 2 ~ 8 ℃, protected from light