GB 1886.201-2016National Food Safety Standard -- Food Additives -- Benzyl acetate (English PDF)

2.1 Chemical name

Benzyl acetate

2.2 Molecular formula

C9H10O2

2.3 Structural formula

2.4 Relative molecular mass

150.18 (according to 2007 international relative atomic mass)

3.1 Sensory requirements

Sensory requirements shall comply with the requirements of Table 1.

Table 1 sensory requirements

The project requires a test method Colorless to pale yellow State liquid the sample was placed in a colorimetric tube and visually observed Aroma sweet, fruity, jasmine aroma GB/T 14454.2

3.2 Physical and chemical indicators

Physical and chemical indicators should be consistent with the provisions of Table 2.

Table 2 Physical and chemical indicators

Item Index Test Method Benzyl acetate content, w /% >= 98.0 Appendix A Acid value (in KOH)/(mg/g) <= 1.0 GB/T 14455.5 Refractive index (20 ° C) 1.500 ~ 1.504 GB/T 14454.4 Relative density (25 °C/25 °C) 1.049 ~ 1.059 GB/T 11540 Trace chlorine through test GB/T 14454.12 Appendix A Determination of benzyl acetate content A.1 Instruments and equipment A.1.1 chromatograph. according to GB/T 11538-2006 in Chapter 5 of the provisions.

A.1.2 Column. Capillary column.

A.1.3 Detector. Hydrogen flame ionization detector.

A.2 Determination method Area normalization method. according to GB/T 11538-2006 10.4 determination of content.

A.3 repeatability and result representation According to GB/T 11538-2006 11.4 provisions, should meet the requirements.

The chromatographic and analytical conditions for the benzyl acetate of the food additive are given in Appendix B.

Appendix B

Food additives - Benzyl acetate - Gas chromatographic and operating conditions (Area normalization method) B.1 Food Additive Acetyl acetate Gas Chromatography Food additive benzyl acetate gas chromatogram shown in Figure B.1.

Figure B.1 Food additives Acetate gas chromatogram

B.2 Operating conditions B.2.1 Column. capillary column, length 30m, diameter 0.53mm.

B.2.2 Stationary phase. 100% dimethylpolysiloxane.

B.2.3 Film thickness. 1.5 µm.

B.2.4 Chromatographic furnace temperature. linear program temperature from 70 °C to 180 °C, the rate of 5 °C/min; then linear program temperature from 180 °C to 260 °C, the rate of 10 °C/min, and finally at 260 °C constant temperature 10min.

B.2.5 Inlet temperature. 260 ° C.

B.2.6 Detector temperature. 260 ° C.

B.2.7 Detector. Hydrogen flame ionization detector.

B.2.8 Carrier gas. nitrogen.

B.2.9 Pre-column pressure. 30 kPa.

B.2.10 Injection volume. 0.2 µL.

B.2.11 Split ratio. 80. 1.