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GHS Category - germ cell mutagenicity

Posted Date:2022/6/29

GHS Definition:

This hazard category is primarily for chemicals that have the potential to cause mutations in human germ cells that can be passed on to offspring. However, when classifying substances and mixtures within this hazard class, in vitro mutagenicity/reproductive toxicity tests and in vivo somatic cell mutagenicity/reproductive toxicity tests in mammals are also considered.

Germ cell mutagenicity criteria:

Category

Standard

Category 1

Substances known to cause heritable mutations in human germ cells or thought to be likely to cause heritable mutations in human germ cells

Category 1A

Substances known to cause heritable mutations in human germ cells

Category 1B

Substances that should be considered likely to cause heritable

Category 2

Substances of concern due to their potential to cause heritable mutations in human germ cells

Examples of germ cell mutagenicity:

▪2-Aminophenol

▪4-Aminophenol

▪Benzene

▪Aniline

▪1,2-Phenylenediamine

▪1,3-Phenylenediamine

▪Phenol

Labeling and classification of germ cell mutagenicity:

Classification

Label

Hazard statement code

Hazard category

Hazard classification

Pictograms

Signal word

Hazard statement

GHS

United Nations Model Regulations

Germ cell mutagenicity

1

(Subclasses 1A and 1B)

None

Danger

May cause genetic defects

H340

2

None

Warn

Suspected possible genetic defect

H341