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GB/T 14491-2025: Propylene oxide for industrial use
Status: Valid GB/T 14491: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 14491-2025 | English | 599 |
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5 days [Need to translate]
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Propylene oxide for industrial use
| Valid |
GB/T 14491-2025
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| GB/T 14491-2015 | English | 319 |
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Propylene oxide for industrial use
| Valid |
GB/T 14491-2015
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| GB/T 14491-2001 | English | 319 |
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Propylene oxide for industrial use
| Obsolete |
GB/T 14491-2001
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| GB/T 14491-1993 | English | 399 |
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Propyrene oxide for industrial use
| Obsolete |
GB/T 14491-1993
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Basic data | Standard ID | GB/T 14491-2025 (GB/T14491-2025) | | Description (Translated English) | Propylene oxide for industrial use | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G17 | | Classification of International Standard | 71.080.60 | | Word Count Estimation | 30,383 | | Date of Issue | 2025-08-01 | | Date of Implementation | 2026-02-01 | | Older Standard (superseded by this standard) | GB/T 14491-2015 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 14491-2025: Propylene oxide for industrial use---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT14491-2025
ICS 71.080.60
CCSG17
National Standard of the People's Republic of China
Replaces GB/T 14491-2015
Industrial propylene oxide
Released on August 1, 2025
Implementation on February 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 14491-2015 "Propylene oxide for industrial use". Compared with GB/T 14491-2015, except for the structural adjustment and
In addition to the logical changes, the main technical changes are as follows.
a) The scope of application has been changed (see Chapter 1, Chapter 1 of the.2015 edition);
b) The technical requirements have been changed (see Chapter 4, Chapter 3 of the.2015 edition);
c) Added general provisions for test methods (see 5.1);
d) The test method for propylene oxide content has been changed (see 5.3, Appendix A of the.2015 edition);
e) The repeatability of the acidity test was deleted and changed to the allowable difference (see 5.5.6, B.7 of the.2015 edition);
f) The determination method of moisture content has been added to GB/T 6324.8 and serves as the arbitration method (see 5.6);
g) Added the test method for total aldehyde content and deleted the test method for acetaldehyde and propionaldehyde (see Appendix B, A.5.2 of the.2015 edition);
h) Added the test method for total chlorine content (see 5.8);
i) Added test methods for polymers (see Appendix C);
j) The inspection rules have been changed (see Chapter 6, Chapter 5 of the.2015 edition).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Petroleum and Chemical Industry Federation.
This document is under the jurisdiction of the National Technical Committee on Chemical Standardization (SAC/TC63).
This document was drafted by. Ningbo Zhenhai Refining and Chemical Lyondell Chemical Co., Ltd., Wanhua Chemical Group Co., Ltd., Taixing Yida Chemical
Co., Ltd., Nanjing Jinling Huntsman New Materials Co., Ltd., Tianjin Bohai Chemical Development Co., Ltd., CNOOC Shell Petrochemical Co., Ltd.
Company, Binhua Group Co., Ltd., Sinopec (Beijing) Chemical Research Institute Co., Ltd., Sinopec Ningbo Zhenhai Refining and Chemical Co., Ltd., Sinochem
Xuetianchen (Quanzhou) New Materials Co., Ltd., Sinopec (Tianjin) Petrochemical Co., Ltd., Sinopec Hunan Petrochemical Co., Ltd., Zibo
Qixiang Tengda Chemical Co., Ltd., China Chemical Tianchen Green Energy New Materials Technology Research and Development (Zibo) Co., Ltd., Hongbaoli Group Co., Ltd.
Shandong Sanyue Chemical Co., Ltd., Lihua Yiweiyuan Chemical Co., Ltd., Jiangsu Jiahong New Materials Co., Ltd., Changzhou Ruihua Chemical Industry
Cheng Technology Co., Ltd., Nantong Baichuan New Materials Co., Ltd., Shandong Jinling Chemical Co., Ltd., Ningbo Zhenhai Refining and Chemical LyondellBasell
Sail New Materials Co., Ltd.
The main drafters of this document are. Cai Yongqi, Huang Yu, Wang Yong, Liu Zhun, Bao Miaoqing, Chen Zhongji, Mi Guiting, Yin Ping, Zhu Changjian, Luo Naixing, Ma Dianli,
Song Weisheng, Tian Ping, Xu Yue, Mo Chunyang, Jiang Yuan'ai, Li Yanshan, Wei Changxin, Luo Sha, Jia Chuang, Bai Yuping, Chen Xuefei, Luo Guofei, Zhang Chunfeng, Wang Yuanping,
Lü Jian, Pang Qiyu, Wang Jianquan, Zhang Fujun, Liu Xiangyun, Xu Zhigang, Huang Dongping, Ren Shunkang, Gao Meifeng, Zhou Fengjun, Wu Feike, Sun Baiya, Zhou Chengsen,
Tang Jianxin.
The previous versions of this document and the documents it replaces are as follows.
---First issued as GB/T 14491-1993 in.1993, first revised in.2001, second revised in.2015;
---This is the third revision.
Industrial propylene oxide
Warning. This document does not intend to address all safety issues related to its use. Users are responsible for taking appropriate safety and health measures.
Health measures should comply with relevant national laws and regulations.
1 Scope
This document specifies the technical requirements, test methods, inspection rules, marking and accompanying documents, packaging, transportation and
Storage.
This document applies to ethylbenzene co-oxidation process (PO/SM), isobutane co-oxidation process (PO/T BA), cumene co-oxidation process (CHPPO),
Industrial propylene oxide produced by hydrogen peroxide direct oxidation (HPPO) and chlorohydrin process.
Note. Propylene oxide molecular formula. C3H6O
Structural formula.
Relative molecular mass. 58.08 (according to the 2022 international relative atomic mass).
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB 190 Dangerous Goods Packaging Marking
GB/T 601 Preparation of standard titration solutions for chemical reagents
GB/T 603 Preparation of preparations and products used in test methods for chemical reagents
GB/T 3143 Determination of color of liquid chemical products (Hazen unit---platinum-cobalt color number)
GB/T 6283 Determination of water content in chemical products - Karl Fischer method (general method)
GB/T 6324.6 Test methods for organic chemical products - Part 6.Determination of liquid color - Tristimulus colorimetry
GB/T 6324.8 Test methods for organic chemical products Part 8.Determination of water content in liquid products - Karl Fischer coulometric method
GB/T 6324.9 Test methods for organic chemical products Part 9 Determination of chlorine
GB/T 6678 General Principles for Sampling of Chemical Products
GB/T 6680 General Rules for Sampling of Liquid Chemical Products
GB/T 6682 Specifications and test methods for water used in analytical laboratories
GB/T 8170 Rules for rounding off values and expression and determination of limit values
GB/T 9722 General rules for gas chromatography of chemical reagents
GB 15258 Provisions for the Preparation of Chemical Safety Labels
GB/T 26792 High Performance Liquid Chromatography
JJG342 Gel Chromatography
3 Terms and Definitions
There are no terms or definitions that require definition in this document.
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