NITE - Chemical Management Field

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

GENERAL INFORMATION

Item	Information
CAS RN	142-83-6
Chemical Name	2,4-Hexadienal
Substance ID	m-nite-142-83-6_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)	To Workplace Safety Site (MHLW)
Sample SDS by MHLW (External link)	To Workplace Safety Site (MHLW)
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)	- -	-	-	The substance contains a chemical group associated with explosive properties, unsaturated C-C bond, but it is not 1,2-diene. Therefore, it was classified as "Not applicable."	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
2	Flammable gases	Not classified (Not applicable)	- -	-	-	Liquid (GHS definition)	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
3	Aerosols	Not classified (Not applicable)	- -	-	-	Not aerosol products.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
4	Oxidizing gases	Not classified (Not applicable)	- -	-	-	Liquid (GHS definition)	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
5	Gases under pressure	Not classified (Not applicable)	- -	-	-	Liquid (GHS definition)	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
6	Flammable liquids	Category 4	- Warning	H227	P370+P378 P210 P280 P403 P501	From a flash point of 67 deg C [closed-cup ] (Lange (16th, 2005)) > 60 deg C and <= 93 deg C, it corresponds to Category 4.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
7	Flammable solids	Not classified (Not applicable)	- -	-	-	Liquid (GHS definition)	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
8	Self-reactive substances and mixtures	Classification not possible	- -	-	-	There is a chemical group associated with explosive properties (olefins ) in the molecule, and hazards are suggested such as causing severe polymerization or condensation (Hommel (1996)) or explosive polymerization (WebKis-Plus (Access on Apr. 2012)). However, the classification is not possible due to no test data.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
9	Pyrophoric liquids	Classification not possible	- -	-	-	No data available.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
10	Pyrophoric solids	Not classified (Not applicable)	- -	-	-	Liquid (GHS definition)	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
11	Self-heating substances and mixtures	Classification not possible	- -	-	-	Test methods applicable to liquid substances are not available.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
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).	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
13	Oxidizing liquids	Not classified (Not applicable)	- -	-	-	The substance is an organic compound containing oxygen (but not fluorine or chlorine) which is chemically bonded only to carbon or hydrogen.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
14	Oxidizing solids	Not classified (Not applicable)	- -	-	-	Liquid (GHS definition)	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
15	Organic peroxides	Not classified (Not applicable)	- -	-	-	Organic compounds containing no bivalent -O-O- structure.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
16	Corrosive to metals	Not classified	- -	-	-	There are no test data on corrosivity to metals. However, from a description that copper and aluminum are resistant (Hommel (1996)), it was classified as "Not classified."	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
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 3	Danger	H301	P301+P310 P264 P270 P321 P330 P405 P501	There is a report on two LD50 values for rats (300 mg/kg, 730 mg/kg) (JECFA 1094 (2004)), one each for Category 3 and Category 4. It was classified in Category 3, which was more hazardous.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
1	Acute toxicity (Dermal)	Category 3	Danger	H311	P302+P352 P361+P364 P280 P312 P321 P405 P501	It was classified in Category 3 based on an LD50 value of 270 microL/kg for rabbits (242.5 mg/kg) (PATTY (5th, 2001)).	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
1	Acute toxicity (Inhalation: Gases)	Not classified (Not applicable)	- -	-	-	Liquid (GHS definition)	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
1	Acute toxicity (Inhalation: Vapours)	Classification not possible	- -	-	-	Data are lacking. Besides, there is a report on LCLo of 2,000 ppm/4 hours for rats (PATTY (5th, 2001)), but because the category cannot be determined, the classification is not possible. Because the toxicity value (2,000 ppm) was lower than 90% of the saturated vapour pressure concentration (6,329 ppm), a reference value of gas was applied.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
1	Acute toxicity (Inhalation: Dusts and mists)	Classification not possible	- -	-	-	No data available.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
2	Skin corrosion/irritation	Category 1	Danger	H314	P301+P330+P331 P303+P361+P353 P305+P351+P338 P304+P340 P260 P264 P280 P310 P321 P363 P405 P501	In a test in which 0.5 mL of the undiluted test substance was applied to the rabbit skin for 4 hours, 4 out of 4 animals showed severe edema immediately after application and severe erythema 2-3 days after application, and the skin hardened and was stained brown. Furthermore, the treated skin was pitted on day 7 in two animals, and the primary skin irritation index was 7.08 (ECETOC TR66 (1995)). Therefore, it was classified in Category 1.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
3	Serious eye damage/eye irritation	Category 1	Danger	H318	P305+P351+P338 P280 P310	Although there are no eye irritation test data, because it was classified as a corrosive substance to the skin, it was classified in Category 1.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
4	Respiratory sensitization	Classification not possible	- -	-	-	No data available.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
4	Skin sensitization	Classification not possible	- -	-	-	Data are lacking. Besides, it is reported that there was one case of sensitization in a test on 59 volunteers given occlusive application of petroleum containing 1% of this substance (NTP TR509 (2003)), but the details on the test method and results are unknown.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
5	Germ cell mutagenicity	Not classified	- -	-	-	It was classified as "Not classified" based on negative results in micronucleus tests with peripheral blood and bone marrow cells after repeated oral administration to mice (in vivo somatic cell mutagenicity test) (NTP DB (Access on Dec 2011)). Besides, as for in vitro tests, there are reports on positive (NTP DB (Access on Dec 2011), JECFA 1094 (2004)) or negative (JECFA 1094 (2004)) results in Ames tests.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
6	Carcinogenicity	Category 2	Warning	H351	P308+P313 P201 P202 P280 P405 P501	It was classified in Category 2 because it was classified in Group 2B in the IARC's carcinogenicity assessment (IARC 101 (2011)). Besides, it is reported that in 105-week oral administration tests with rats and mice, there was clear evidence of carcinogenicity in both animal species based on increased incidences of squamous cell neoplasms of the forestomach, and forestomach epithelial hyperplasia was observed and was associated with the administration of this substance (NTP TR509 (2003)).	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
7	Reproductive toxicity	Classification not possible	- -	-	-	No data available.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
8	Specific target organ toxicity - Single exposure	Classification not possible	- -	-	-	No data available.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
9	Specific target organ toxicity - Repeated exposure	Classification not possible	- -	-	-	Data are lacking. Besides, it is reported that in 14-week repeated oral administration tests with rats and mice, the incidence of forestomach hyperplasia was significantly increased at 120 mg/kg/day in both animal species (NTP TR509 (2003)), and in 16-day repeated oral administration tests with rats and mice, there were lesions indicative of forestomach necrosis and ulceration at 240 mg/kg/day (converted guidance value: 42.7 mg/kg/day) in both animal species, and forestomach epithelial hyperplasia was microscopically evident at 80 mg/kg/day (converted guidance value: 14.2 mg/kg/day) (NTP TR509 (2003)). Although effects were specifically observed in the forestomach of rats and mice within the dose range equivalent to the guidance values for Category 2, these were regarded as potential precursor lesions to neoplasia (NTP TR509 (2003)), and they were not adopted for specific target organ toxicity (repeated exposure) in this hazard class because the substance was classified in the carcinogenicity class.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
10	Aspiration hazard	Classification not possible	- -	-	-	No data available.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）

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)	Classification not possible	- -	-	-	No data available.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
11	Hazardous to the aquatic environment Long term (Chronic)	Classification not possible	- -	-	-	No data available.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）
12	Hazardous to the ozone layer	Classification not possible	- -	-	-	This substance is not listed in the Annexes to the Montreal Protocol.	FY2012	GHS Classification Guidance by the Japanese Government （July, 2010）

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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