NITE - Chemical Management Field

Latest GHS Classification Results by the Japanese Government (edited by NITE)

GENERAL INFORMATION

Item	Information
CAS RN	103-33-3
Chemical Name	Azobenzene
Substance ID	m-nite-103-33-3_v1
Download of Excel format	Excel file

REFERENCE INFORMATION

Item	Information
Guidance used for the classification (External link)	To Guidance List
UN GHS document (External link)	To UN GHS document
FAQ（GHS classification results by the Japanese Government）	To FAQ
List of Information Sources (Excel file)	List of Information Sources
List of Definitions/Abbreviations	Definitions/Abbreviations
Sample Label by MHLW (External link)	MHLW Website (in Japanese Only)
Sample SDS by MHLW (External link)	MHLW Website (in Japanese Only)
OECD/eChemPortal (External link)	To OECD/eChemPortal (External link)

PHYSICAL HAZARDS

Hazard class		Classification	Pictogram Signal word	Hazard statement (code)	Precautionary statement (code)	Rationale for the classification	Classification year (FY)	GHS Classification Guidance for the Japanese Government
1	Explosives	Not classified (Not applicable)	- -	-	-	It does not contain chemical groups (aliphatic azo groups) associated with explosive properties.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
2	Flammable gases	Not classified (Not applicable)	- -	-	-	Solid (GHS definition)	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
3	Aerosols	Not classified (Not applicable)	- -	-	-	Not aerosol products.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
4	Oxidizing gases	Not classified (Not applicable)	- -	-	-	Solid (GHS definition)	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
5	Gases under pressure	Not classified (Not applicable)	- -	-	-	Solid (GHS definition)	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
6	Flammable liquids	Not classified (Not applicable)	- -	-	-	Solid (GHS definition)	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
7	Flammable solids	Classification not possible	- -	-	-	Classification not possible due to lack of data. (Its flash point is reported to be 476degC (Chemfinder).)	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
8	Self-reactive substances and mixtures	Not classified (Not applicable)	- -	-	-	It does not contain chemical groups (aliphatic azo groups) associated with either explosive or self-reactive properties.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
9	Pyrophoric liquids	Not classified (Not applicable)	- -	-	-	Solid (GHS definition)	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
10	Pyrophoric solids	Classification not possible	- -	-	-	No data available.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
11	Self-heating substances and mixtures	Classification not possible	- -	-	-	No data available.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
12	Substances and mixtures which, in contact with water, emit flammable gases	Not classified (Not applicable)	- -	-	-	The chemical structure of the substance does not contain metals or metalloids (B, Si, P, Ge, As, Se, Sn, Sb, Te, Bi, Po, At).	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
13	Oxidizing liquids	Not classified (Not applicable)	- -	-	-	Solid (GHS definition)	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
14	Oxidizing solids	Not classified (Not applicable)	- -	-	-	Organic compounds containing no oxygen, fluorine or chlorine	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
15	Organic peroxides	Not classified (Not applicable)	- -	-	-	Organic compounds containing no bivalent -O-O- structure	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
16	Corrosive to metals	Classification not possible	- -	-	-	No data available.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
17	Desensitized explosives	-	- -	-	-	-	-	-

HEALTH HAZARDS

Hazard class		Classification	Pictogram Signal word	Hazard statement (code)	Precautionary statement (code)	Rationale for the classification	Classification year (FY)	GHS Classification Guidance for the Japanese Government
1	Acute toxicity (Oral)	Category 4	Warning	H302	P301+P312 P264 P270 P330 P501	Since its rat LD50 is reported to be 1000 mg/kg bw (IARC 8 (1975)), the substance was classified into Category 4.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
1	Acute toxicity (Dermal)	Classification not possible	- -	-	-	No data available.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
1	Acute toxicity (Inhalation: Gases)	Not classified (Not applicable)	- -	-	-	Solid (GHS definition)	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
1	Acute toxicity (Inhalation: Vapours)	Classification not possible	- -	-	-	No data available.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
1	Acute toxicity (Inhalation: Dusts and mists)	Classification not possible	- -	-	-	No data available.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
2	Skin corrosion/irritation	Classification not possible	- -	-	-	No data available.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
3	Serious eye damage/eye irritation	Classification not possible	- -	-	-	No data available.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
4	Respiratory sensitization	Classification not possible	- -	-	-	No data available.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
4	Skin sensitization	Classification not possible	- -	-	-	No data available.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
5	Germ cell mutagenicity	Category 2	Warning	H341	P308+P313 P201 P202 P280 P405 P501	No test results in in-vivo germ cell mutagenicity studies are available, and an in-vitro micronucleus test using rat bone marrow cells and a mouse DNA damage test both gave positive results (RTECS (accessed in September 2007)). Based on these reports, the substance was classified into Category 2.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
6	Carcinogenicity	Category 2	Warning	H351	P308+P313 P201 P202 P280 P405 P501	It is rated as "Group 3" by the IARC (IARC Suppl. 7 (1987)) while it is rated as "B2" by the EPA (EPA (1993)). Taking into account the newer EPA rating, the substance was classified into Category 2.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
7	Reproductive toxicity	Classification not possible	- -	-	-	No data available.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
8	Specific target organ toxicity - Single exposure	Classification not possible	- -	-	-	No data available.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
9	Specific target organ toxicity - Repeated exposure	Category 2 (liver)	Warning	H373	P260 P314 P501	In oral administration test using dogs, the treated animals suffered from liver damage at the doses that fall under Category 2 guidance values (HSDB, 2003). Thus, the substance was classified into Category 2 (liver).	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
10	Aspiration hazard	Classification not possible	- -	-	-	No data available.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）

ENVIRONMENTAL HAZARDS

Hazard class		Classification	Pictogram Signal word	Hazard statement (code)	Precautionary statement (code)	Rationale for the classification	Classification year (FY)	GHS Classification Guidance for the Japanese Government
11	Hazardous to the aquatic environment Short term (Acute)	Category 1	Warning	H400	P273 P391 P501	Since its 24-hour EC50 for Daphnia magna is 0.13 mg/L (Aquire 2007), the substance was classified into Category 1 for acute toxicity.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
11	Hazardous to the aquatic environment Long term (Chronic)	Category 1	Warning	H410	P273 P391 P501	Its classification for acute toxicity is Category 1, it is not rapidly degradable (BIOWIN 2007), and NOEC is < 1 mg/L (ECETOC TR 91 (2003)). Based on this information, the substance was classified into Category 1 for its chronic toxicity.	FY2007	GHS Classification Manual （10 Feb, 2006）/Technical Guidance Document on the GHS Classification （6 Dec, 2005）
12	Hazardous to the ozone layer	-	- -	-	-	-	-	-

NOTE:

GHS Classification Result by the Japanese Government is intended to provide a reference for preparing a GHS label or SDS for users. To include the same classification result in a label or SDS for Japan is NOT mandatory.
Users can cite or copy this classification result when preparing a GHS label or SDS. Please be aware, however, that the responsibility for a label or SDS prepared by citing or copying this classification result lies with users.
This GHS classification was conducted based on the information sources and the guidance for classification and judgement which are described in the GHS Classification Guidance for the Japanese Government etc. Using other literature, test results etc. as evidence and including different content from this classification result in a label or SDS are allowed.
Hazard statement and precautionary statement will show by hovering the mouse cursor over a code in the column of "Hazard statement" and "Precautionary statement," respectively. In the excel file, both the codes and statements are provided.
A blank or "-" in the column of "Classification" denotes that a classification for the hazard class was not conducted in the year.
An asterisk “*” in the column of “Classification” denotes that “Not classified (or No applicable)” and/or “Classification not possible” is applicable. Details are described in the column of “Rationale for the classification”. If no English translation is available for “Rationale for the classification,” please refer to the Japanese version of the results.

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