GB/T 24801-2019 English PDF

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GB/T 24801-2019: Anti-scorching agent - N-cyclohexylthiophthalimide (CTP)
Status: Valid

GB/T 24801: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24801-2019	199	Add to Cart	3 days	Anti-scorching agent - N-cyclohexylthiophthalimide (CTP)	Valid
GB/T 24801-2009	319	Add to Cart	3 days	Rubber anti-scorching agent CTP	Obsolete

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Basic data

Standard ID: GB/T 24801-2019 (GB/T24801-2019)
Description (Translated English): Anti-scorching agent - N-cyclohexylthiophthalimide (CTP)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G71
Classification of International Standard: 83.040.20
Word Count Estimation: 10,111
Date of Issue: 2019-10-18
Date of Implementation: 2020-09-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 24801-2019: Anti-scorching agent - N-cyclohexylthiophthalimide (CTP)

---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.
Antiscorching agent--N-cyclohexylthiophthalimide (CTP) ICS 83.040.20 G71 National Standards of People's Republic of China Replace GB/T 24801-2009 Scoring agent N-cyclohexyl thiophthalimide (CTP) Published on.2019-10-18 2020-09-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 24801-2009 "rubber anti-focus agent CTP", compared with GB/T 24801-2009, except editorial modification In addition, the main technical changes are as follows. --- Added CASRN (see Chapter 1); --- The method of determining the initial melting point is legally determined as the arbitration method (see 4.3.1); --- Increase the initial melting point of the instrument method (see 4.3.2); --- Removed the technical requirements and test methods for "active ingredient content" (see 4.6 of the.2009 edition); --- Increased the technical requirements and test methods of "purity" (see 4.7); --- Added an informative appendix on safety (see Appendix A). This standard was proposed by the China Petroleum and Chemical Industry Federation. This standard is under the jurisdiction of the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35). This standard was drafted. Shandong Yanggu Huatai Chemical Co., Ltd., Tangyin Yongxin Chemical Co., Ltd., National Rubber Additives Cheng Technology Research Center. The main drafters of this standard. Shi Lilong, Song Kui, An Fang, Du Mengcheng, Zhang Xinfeng. This standard was first published in.2009 and this is the first revision. Scoring agent N-cyclohexyl thiophthalimide (CTP) Caution - Personnel using this standard should have practical experience in formal laboratory work. This standard does not indicate all possible security questions. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national regulations.

1 Scope

This standard specifies the technical requirements, test methods and tests for the scorch inhibitor N-cyclohexyl thiophthalimide (referred to as Coke inhibitor). Rules, signs, packaging, transportation and storage. This standard applies to anti-foam prepared by condensation reaction using cyclohexyl sulfenyl chloride and phthalimide as main raw materials. Agent CTP. Chemical name. N-cyclohexylthiophthalimide. Structure. Molecular formula. C14H15NO2S Relative molecular mass. 261.28 (according to.2016 international relative atomic mass) CASRN. 17796-82-6

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 191-2008 packaging storage and transportation icon GB/T 617-2006 General method for determination of melting point range of chemical reagents GB/T 6679 Solid Chemical Products Sampling General GB/T 6682-2008 Analytical laboratory water specifications and test methods GB/T 8170-2008 Numerical rounding rules and the representation and determination of limit values GB/T 11409-2008 Rubber anti-aging agent, vulcanization accelerator test method GB/T 16631 General Principles of High Performance Liquid Chromatography

3 Technical requirements

The technical requirements for the scorch retarder CTP should be in accordance with Table 1. ......

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