GB 23487-2009 English PDF

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GB 23487-2009: Food additive. 2-Methyl-3-furanthiol
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 23487-2009	239	Add to Cart	3 days	Food additive. 2-Methyl-3-furanthiol	Obsolete

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Basic data

Standard ID: GB 23487-2009 (GB23487-2009)
Description (Translated English): Food additive. 2-Methyl-3-furanthiol
Sector / Industry: National Standard
Classification of Chinese Standard: X44
Classification of International Standard: 71.100.60
Word Count Estimation: 6,699
Date of Issue: 2009-04-17
Date of Implementation: 2009-10-01
Quoted Standard: GB/T 11538-2006; GB/T 11539-2008; GB/T 11540; GB/T 14454.2; GB/T 14454.4
Adopted Standard: CACJECFA 1060, MOD
Regulation (derived from): National Health and Family Planning Commission of the People Republic of China No. 8, 2015
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Chinese standard specifies 2 methyl-3 furanthiol requirements, test methods, inspection rules and signs, packaging, transportation, storage, shelf life. This standard applies to chemical synthesis 2 methyl-3 furanthiol.

GB 23487-2009: Food additive. 2-Methyl-3-furanthiol

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Food additive.2-Methyl-3-furanthiol ICS 71.100.60 X44 National Standards of People's Republic of China Food additive methyl-3-furanthiol Published 2009-04-17 2009-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China issued

Foreword

4.3,4.4,4.5 this standard are mandatory, others are recommended. This standard technical indicators modified using the Codex Alimentarius Commission (CAC) Joint Expert Committee on Food Additives under (JECFA) system Given "2- methyl-3-furan thiol" (code JECFA1060), compared with CAC (JECFA1060), the main technical differences are as follows. --- 4.3 The relative density (25 ℃/25 ℃) of 1.141 ~ 1.150 ~ 1.150 to 1.060; --- deleted solubility requirements. Appendix A of this standard is an informative annex. The standard proposed by China Light Industry Federation. This standard by the National Standardization Technical Committee of Fragrance Flavor cosmetics. This standard is drafted. Beijing Technology and Business University, Tianjin Spring of Food Ingredients Co., Ltd., Shanghai Institute of spices, spice Tengzhou Rui Yuan Co., Ltd., Shijiazhuang Lida Chemical Co., Ltd. The main drafters. Zheng Fuping, Zhang Ying Xu Yi, Sun Baoguo, Cao Yi, Jin Qizhang tension expensive, Lu Bingwu. Food additive methyl-3-furanthiol Range 1 This standard specifies methyl-3-furan thiol of requirements, test methods, inspection rules and signs, packaging, transportation, storage, shelf life. This standard applies to the chemical synthesis to give 2- methyl-3-furan thiol method.

2 Normative references

Terms of the following documents become provisions of this standard by reference in this standard. For dated reference documents, all later Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to agreements based on this standard Whether the latest versions of these documents. For undated references, the latest version applies to this standard. GB/T 11538-2006 oil by capillary column gas chromatography - General method (ISO 7609. 1985, IDT) GB/T 11539-2008 perfume universal packed column gas chromatographic analysis method (ISO 7359. 1985, IDT) Determination GB/T 11540 perfume relative density (GB/T 11540-2008, ISO 279.1998, MOD) GB/T 14454.2 spice aroma evaluation method GB T 14454.4 Determination/perfume refractive index (GB/T 14454.4-2008, ISO 280.1998, MOD) 3 Product Chemical name, molecular formula, structural formula and relative molecular mass 3.1 Chemical Name. 2-methyl-3-furan thiol, 3-mercapto-2-methyl furan. 3.2 CAS number. 28588-74-1. 3.3 Molecular formula. C5H6OS. 3.4 Structure. 3.5 Molecular weight. 114.16.

4 Requirements

4.1 Appearance. pale pink to pale orange liquid. 4.2 Odor. barbecue aroma. 4.3 Relative density (25 ℃/25 ℃). 1.100 ~ 1.150. 4.4 Refractive index (20 ℃). 1.5090 ~ 1.5300. 4.5 content (GC). ≥97.0%.

5 Test methods

5.1 Appearance of test Place the specimen was observed visually than the inner tube color method. 5.2 Evaluation aroma According to the provisions of GB/T 14454.2 of. 5.3 Determination of Relative Density As specified in GB/T 11540 of. 5.4 Determination of refractive index As specified in GB/T 14454.4 of. 5.5 Determination of content 5.5.1 Instruments a) chromatography According to GB/T 11538-2006 or GB /11539-2008 in Chapter 5 of the T. b) columns Packed column or capillary column. c) Detector Hydrogen flame ionization detector. 5.5.2 Determination Area normalization method. Determination of 2-methyl-specified method furosemide GB/T 11538-2006 or GB/T 11539-2008 10.4 in Nan mercaptan content. 5.5.3 repeatability and results are expressed Conducted in accordance with GB/T 11538-2006 or GB/T 11539-2008 11.4 shall comply with the requirements. Methyl-3-furan thiol typical gas chromatogram (area normalization method) see Appendix A.

6 Inspection Rules

6.1 2-methyl-furan thiol factory quality inspection departments should be responsible for inspection, the manufacturer shall ensure that products are manufactured to comply with this standard Seek, each batch of products should be accompanied by quality certificate. Appearance, aroma, content factory inspection items, inspection type inspection for the whole project, Once every quarter. 6.2 Acceptance shall be entitled in accordance with the provisions of this standard test received product quality meets the requirements of this standard, for each batch Once acceptance, acceptance of different batches respectively. 6.3 Sampling method. batch packaging units 1 to 2, the whole pumping; 3 ~ 100 extracted 2; 100 or more further extraction increasing portion 3%. Sampling uniformly extracted from each sample 50mL ~ 100mL packing unit, the extracted sample mixed all placed within injector Mix well, respectively, into two clean and dry, inert sealed containers, protected from light. Container attach a label stating. manufacturer name, product Name, date of manufacture, batch number, quantity and date of sampling, as tested with a bottle, another bottle retained for future reference. 6.4 As a result there is an inspection target does not meet the requirements of this standard can be doubled again in conjunction with plant extracts retest samples. Such as re-inspection The results are still indicators of failure, then the product can not be accepted. 6.5 When opposition occurs both supply and demand on product quality, by mutual agreement or arbitration to resolve a legal inspection agency. 7 signs, packaging, transportation, storage and shelf life 7.1 marks Outer packaging should be marked. the word, product name, manufacturer name and address, contact details, trademarks, batch number, the net content of "food additive" Production date and shelf life, license number, standard number and related marks and shall comply with the provisions of relevant laws and regulations. Customers, if you want special Seek, with another plant under an agreement. 7.2 Packaging Methyl-3-furan thiol should be installed to clean a coarse taste without galvanized iron, white iron, or food-grade plastic bucket, or packaging according to customer requirements. 7.3 Transport We should care, during transport, to prevent the sun and rain, not mixed with toxic and hazardous substances, transportation mix, and shall comply with the relevant departments Provisions. 7.4 Storage The product should be nitrogen and stored at 0 ℃ ~ 4 ℃, dry, ventilated warehouse to avoid mixed air pollution, away from the fire source. 7.5 Shelf Life Subject to the conditions of storage and transportation, packaging integrity, without the unsealing of the product shelf life of less than six months.

Appendix A

(Informative) Methyl-3-furan thiol typical gas chromatogram (Area normalization method) A. 1 operating conditions A. 1.1 Column. capillary column, length 30m, internal diameter 0.32mm. A. 1.2 Stationary Phase. AT. SE-54. A. 1.3 film thickness. 0.50μm. A. 1.4 chromatographic oven temperature. 80 ℃ thermostat 2min, then/min to a rate of 20 ℃ 220 ℃, kept 10min. A. 1.5 Inlet Temperature.200 ℃. A. 1.6 Detector temperature. 220 ℃. A. 1.7 Detector. flame ionization detector. A. 1.8 Carrier gas. nitrogen. A. Carrier gas flow rate 1.9. 4mL/min. A. 1.10 Injection volume. about 0.2μL. A. 1.11 Split ratio. 1/100. A. FIG GC 2 Gas chromatography is shown in Figure A. 1. ---. 1 methyl-3-furan thiol; 2 --- bis (2-methyl-3-furyl) disulfide. Figure A. 1 ......

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