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GB/T 21609-2025 English PDF

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Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 21609-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 21609-2025: Chemicals - Test method of acute eye irritation/corrosion
Status: Valid

GB/T 21609: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21609-2025	279	Add to Cart	3 days	Chemicals - Test method of acute eye irritation/corrosion	Valid
GB/T 21609-2008	209	Add to Cart	3 days	Chemicals -- Test method of acute dermal irritation/corrosion	Valid

Basic data

Standard ID: GB/T 21609-2025 (GB/T21609-2025)
Description (Translated English): Chemicals - Test method of acute eye irritation/corrosion
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A80
Classification of International Standard: 13.300
Word Count Estimation: 14,127
Date of Issue: 2025-08-29
Date of Implementation: 2025-12-01
Older Standard (superseded by this standard): GB/T 21609-2008
Issuing agency(ies): State Administration for Market Regulation, National Standardization Administration

GB/T 21609-2025: Chemicals - Test method of acute eye irritation/corrosion

---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/GBT21609-2025
ICS 13.300 CCSA80 National Standard of the People's Republic of China Replaces GB/T 21609-2008 Test methods for acute eye irritation/corrosion of chemicals Released on August 29, 2025 Implementation on December 1, 2025 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 21609-2008 "Test method for acute eye irritation/corrosion of chemicals" and GB/T 21609- Compared with.2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Modified and added terms and definitions (see Chapter 3, Chapter 3 of the.2008 edition); --- Added a chapter on "Test Principles" (see Chapter 4); --- Deleted "sex and number" (see 4.1.2 of the.2008 edition); --- Change “animal preparation” to “preparation” (see 5.1.2, 4.1.4 of the.2008 edition); --- Reintegrate "test substance", "poisoning procedure" and "test results" into "test procedure" (see 5.2, 4.2, 4.3 and 5 of the.2008 edition); The requirement that the test substance is a strong acid or a strong base has been deleted (see 4.2.4 of the.2008 edition); the “poisoning step” has been changed to “preliminary test”, “final test”, "Type test" (see 5.2.4, 5.2.5, 4.3 of the.2008 edition); deleted "local anesthesia" (see 4.3.3 of the.2008 edition); deleted Provisions for “Eye flushing effect test” (see 4.3.4 of the.2008 edition); --- Change "clinical observation" in "test results" to "observation period" and "clinical observation and classification of eye lesions" (see 5.2.6 and 5.2.7, 5.1 of the.2008 edition); --- Change the result evaluation content in "Data and Report" to "Result Evaluation" and delete the result processing method (see Chapter 6, 5.2.2 of the.2008 edition); --- Change “result report” to “test report” and refine the content (see Chapter 7, 5.3 of the.2008 edition); --- Change "Interpretation of test results" to Chapter 8 and simplify the expression (see Chapter 8, 5.2.3 of the.2008 edition); --- Change “Eye Damage Evaluation Standards” to “Eye Damage Grading” (see Appendix A); ---Change “experimental animals” to “laboratory animals” (full text). 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 is proposed and coordinated by the National Technical Committee for Standardization of Hazardous Chemicals Management (SAC/TC251). This document was drafted by. Tianjin Customs Industrial Product Safety Technology Center, Capital Medical University, China Inspection and Quarantine (Tianjin) Inspection and Testing Co., Ltd. Responsible company. The main drafters of this document are. Wang Hua, Liu Ming, Li Yanbo, Zhang Ying, Zuo Yuehua, Zhai Ziqin, Wang Chenguang, Jing Li, Li Yi, Li Xiuping, Guo Caixia, Zhang Yuan, Zhu Chongchong, and Zhao Yonglei. The previous versions of this document and the documents it replaces are as follows. ---First published in.2008 as GB/T 21609-2008; ---This is the first revision. Test methods for acute eye irritation/corrosion of chemicals

1 Scope

This document defines the terms and definitions for the test of acute eye irritation/corrosion caused by chemicals in experimental animals, gives the test principles, The test method, result evaluation, content of the test report and interpretation of the test results are determined. This document applies to the determination of the acute eye irritation/corrosion effects of chemicals.

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 14925 Laboratory Animal Environment and Facilities GB 30000.20 Classification and Labelling of Chemicals Part 20.Serious Eye Damage/Eye Irritation

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 eye irritation After eye contact with chemicals, the changes caused to the eye are completely reversible. Note. Chemicals are classified as GHS Category 2, 2A or 2B. 3.2 serious eye damage Eye contact with chemicals can cause damage to eye tissue or severe physiological vision loss, which is not fully reversible. Note. Chemicals are classified as GHS Category 1. 3.3 weight-of-the-evidence(assessment) Weight the pros and cons of the collected information as a basis for drawing conclusions. Note. No definite conclusion can be drawn from a single data point.

4 Test Principle

A single dose of the test substance was administered to one eye of the experimental animals, and the untreated eye served as a control. The degree of eye irritation/serious eye damage is assessed by scoring the damage to the iris, cornea, and iris. Other eye reactions and overall The observation period should be sufficient to assess the reversibility or irreversibility of the injury. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 21609-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 21609-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 21609-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 21609-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 21609-2025?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 21609-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.