GB 1886.285-2016National Food Safety Standard -- Food Additives -- Benzyl propionate (English PDF)

2.1 Chemical Name

Benzyl Propionate

Formula 2.2

C10H12O2

2.3 Formula

2.4 Molecular Weight

164.20 (according to 2007 international relative atomic mass)

3.1 Sensory requirements

Sensory requirements shall comply with the requirements in Table 1.

Table 1 Sensory requirements

Project requires test methods Color status colorless liquid the sample was placed in a cuvette, were visually observed the aroma of sweet, fruity, floral 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 Acid benzyl ester content, w /% >= 98.0 Appendix A Acid number (as KOH)/(mg/g) <= 1.0 GB/T 14455.5 Refractive index (20 °C) 1.495 ~ 1.500 GB/T 14454.4 Relative density (25 °C/25 °C) 1.028 ~ 1.033 GB/T 11540 Appendix A Benzyl propionate Content Determination A.1 instruments and equipment A.1.1 Chromatography. in GB/T 11538-2006 specified in Chapter 5.

A.1.2 Column. capillary column.

A.1.3 Detector. hydrogen flame ionization detector.

A.2 Determination

Area normalization method. Press the GB/T 11538-2006 Determination 10.4.

A.3 repeatability and results are expressed 11538-2006 carried out in accordance with the provisions of 11.4 GB/T , should meet the requirements.

Food additive gas chromatogram benzyl propionate and operating conditions see Appendix B.

Appendix B

Benzyl Propionate food additive gas chromatography and the operating conditions of FIG.

(Area normalization method) B.1 food additive gas chromatogram benzyl propionate Benzyl Propionate food additive gas chromatography is shown in Figure B.1.

Figure B.1 food additive gas chromatogram benzyl propionate

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

B.2.2 stationary phase. 100% polydimethyl siloxane.

B.2.3 film thickness. 1.5µm.

B.2.4 chromatographic oven temperature. 80 °C thermostat 0.1min, then linear temperature programmed from 80 deg.] C to 150 °C, a rate of 5 °C/min, and then process linear Sequence heated from 150 deg.] C to 260 °C, a rate of 10 °C/min, the final temperature at 260 °C 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 before the column pressure. 30kPa.

B.2.10 Injection volume. 0.2µL.

B.2.11 split ratio. 80.1.