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National food safety standards of food additives -- N,2,3-trimethyl-2-isopropyl butanamide
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Basic data
| Standard ID | GB 25593-2010 (GB25593-2010) |
| Description (Translated English) | National food safety standards of food additives -- N,2,3-trimethyl-2-isopropyl butanamide |
| Sector / Industry | National Standard |
| Classification of Chinese Standard | X42 |
| Classification of International Standard | 67.220.20 |
| Word Count Estimation | 6,689 |
| Date of Issue | 2010-12-21 |
| Date of Implementation | 2011-02-21 |
| Regulation (derived from) | Ministry of Health Bulletin No. 19 of 2010 |
| Issuing agency(ies) | Ministry of Health of the People's Republic of China |
| Summary | This Chinese standard applies to isopropyl bromide and propionitrile for raw materials for food additives N, 2, 3 thirteen poly- methyl-2 -isopropyl N- isopropyl butyrate butyric acid amide. |
GB 25593-2010: National food safety standards of food additives -- N,2,3-trimethyl-2-isopropyl butanamide
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National food safety standards of food additives N, 2, 3 - trimethyl-2 - isopropyl butanamide
National Standards of People's Republic of China
People's Republic of China Ministry of Health issued
Issued on. 2010-12-21
2011-02-21 implementation
National Food Safety Standard
Food additive N, 2,3- trimethyl-2-isopropyl butanamide
Foreword
Appendix A of this standard is a normative appendix, Appendix B is an informative annex.
National Food Safety Standard
Food additive N, 2,3- trimethyl-2-isopropyl butanamide
1 Scope
This standard applies to the isopropyl bromide and propionitrile for raw materials of food additives N, 2,3- trimethyl-2-isopropyl butanamide.
2 Normative references
The standard file referenced in the application of this standard is essential. For cited documents with dates, only the date of
Version applies to this standard. For undated references, the latest edition (including any amendments) applies to this standard.
3 chemical name, molecular formula, molecular mass and structural formula
3.1 Chemical Name
N, 2,3- trimethyl-2-isopropyl butanamide
3.2 CAS number
51115-67-4
Formula 3.3
C10H21NO
3.4 relative molecular mass
171.28 (according to 2007 international relative atomic mass)
3.5 formula
uojo Z
4. Technical Requirements
4.1 Sensory requirements. comply with Table 1.
Table 1 Sensory requirements
Project requires test methods
The white color sample placed on a clean white paper, were visually observed.
Organizational state of the crystalline solid
Aroma, flavor like mint cool flavor GB/T 14454.2
4.2 Physical indicators. to comply with Table 2.
Table 2. Physical and chemical indicators
Item Index Test Method
Melting point 60 ℃ ~ 63 ℃ GB/T 14457.3
Acid value (in dollars KOH)/(mg/g) ≤ 1 GB/T 14455.5
Content (GC, area normalization method) /% ≥ 99.0 Appendix A
Heavy metal content (Pb)/(mg/kg) ≤ 10 GB/T 5009.74
Arsenic (As)/(mg/kg) ≤ 3 GB/T 5009.76
Appendix A
(Normative)
Determination of
A.1 instruments and equipment
A.1.1 chromatograph. According to GB/T 11538-2006 provisions in Chapter 5.
A.1.2 capillary column.
A.1.3 hydrogen flame ionization detector.
A.2 Determination
Area normalization method. According to GB/T 11538-2006 10.4 Determination.
Sample Preparation. Weigh 1g of this product was dissolved in 2mL of anhydrous ethanol, shake spare.
A.3 repeatability and results are shown
According to GB/T 11538-2006 provisions in 11.4, shall comply with the requirements.
Food additive N, 2,3- trimethyl-2-isopropyl butanamide typical gas chromatogram (area normalization method) See Appendix B.
Appendix B
(Informative)
Food additive N, 2,3- trimethyl-2-isopropyl butanamide typical gas chromatogram
(Area normalization method)
B.1 food additive N, 2,3- trimethyl-2-isopropyl butanamide Typical gas chromatograph - Figure B.1.
Figure B.1
B.2 operating conditions
B.2.1 Column. capillary column length 30m, diameter of about 0.25mm.
B.2.2 stationary phase. polyethylene glycol.
B.2.3 film thickness. 0.25μm.
B.2.4 chromatography oven temperature. linear temperature program from 100 ℃ to 150 ℃, the rate of 2.5 ℃/min; and finally at 150 ℃ heated 10 min.
B.2.5 Inlet temperature. 220 ℃.
B.2.6 detector temperature. 250 ℃.
B.2.7 Detector. Hydrogen flame ionization detector.
B.2.8 carrier gas. nitrogen.
B.2.9 carrier gas flow rate. 1.2mL/min.
B.2.10 Injection volume. about 0.2μL.
B.2.11 split ratio. 1/80.
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N, 2,3- trimethyl-2-isopropyl butanamide solvent. ethanol
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