NITE - Chemical Management Field

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

GENERAL INFORMATION

Item	Information
CAS RN	149-73-5
Chemical Name	Methyl orthoformate
Substance ID	m-nite-149-73-5_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)	- -	-	-	There are no chemical groups associated with explosive properties present in the molecule.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
2	Flammable gases	Not classified (Not applicable)	- -	-	-	Liquid (GHS definition)	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
3	Aerosols	Not classified (Not applicable)	- -	-	-	Not aerosol products.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
4	Oxidizing gases	Not classified (Not applicable)	- -	-	-	Liquid (GHS definition)	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
5	Gases under pressure	Not classified (Not applicable)	- -	-	-	Liquid (GHS definition)	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
6	Flammable liquids	Category 2	Danger	H225	P303+P361+P353 P370+P378 P403+P235 P210 P233 P240 P241 P242 P243 P280 P501	Since its flash point reported 13 degC (closed-cup) (IUCLID (2000)) is > 23 degC, and initial boiling point reported 104 degC (Howard (1997)) is > 35 degC, the substance corresponds to Category 2.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
7	Flammable solids	Not classified (Not applicable)	- -	-	-	Liquid (GHS definition)	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
8	Self-reactive substances and mixtures	Not classified (Not applicable)	- -	-	-	There are no chemical groups present in the molecule associated with explosive or self-reactive properties.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
9	Pyrophoric liquids	Not classified	- -	-	-	Since its autoignition temperature is 255 degC (GESTIS (Access on August 2010)), it is considered that the substance does not ignite at room temperature.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
10	Pyrophoric solids	Not classified (Not applicable)	- -	-	-	Liquid (GHS definition)	FY2010	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.	FY2010	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).	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
13	Oxidizing liquids	Not classified (Not applicable)	- -	-	-	The substance is an organic compound containing oxygen which is chemically bonded only to carbon or hydrogen.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
14	Oxidizing solids	Not classified (Not applicable)	- -	-	-	Liquid (GHS definition)	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
15	Organic peroxides	Not classified (Not applicable)	- -	-	-	Organic compounds containing no bivalent -O-O- structure.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
16	Corrosive to metals	Classification not possible	- -	-	-	No data available.	FY2010	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)	Not classified	- -	-	-	Based on the rat LD50 value of 3130 mg/kg bw (IUCLID (2000)), the substance was classified as "Not classified" in the JIS classification (corresponding to Category 5 in the UN-GHS classification).	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
1	Acute toxicity (Dermal)	Classification not possible	- -	-	-	Insufficient data were available. The administration to 2 rabbits at the dose of 2250 mg/kg for 55 minutes to 1 hour, and to 1 rabbit at the dose of 3400 mg/kg for 6 hours, both caused no mortality (IUCLID (2000)). Since the exposure time was short and the number of tested animals was few, the substance was classified as "Classification not possible".	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
1	Acute toxicity (Inhalation: Gases)	Not classified (Not applicable)	- -	-	-	Liquid (GHS definition)	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
1	Acute toxicity (Inhalation: Vapours)	Category 4	Warning	H332	P304+P340 P261 P271 P312	Based on the LC50 value of 40 mg/L (= 9217 ppm) by 4-hour exposure to rats (IUCLID (2000)), the substance was classified as Category 4. The test concentration (16.5 - 47.8 mg/L) was lower than 90% of the saturated vapor pressure concentration (465 mg/L), the criterion values for gas were adopted.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
1	Acute toxicity (Inhalation: Dusts and mists)	Classification not possible	- -	-	-	No data available.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
2	Skin corrosion/irritation	Not classified	- -	-	-	The substance was classified as "Not classified" based on the documented case of "not irritating" (IUCLID (2000)) resulted from the rabbit test (OECD TG404, GLP-compliant) in which the score of both erythema and edema was 0.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
3	Serious eye damage/eye irritation	Category 2	Warning	H319	P305+P351+P338 P337+P313 P264 P280	The substance was classified as Category 2 based on the documented case of "irritating" resulted from the rabbit test (OECD TG 405, GLP-compliant) in which irritation scores were 0.78 for corneal opacity, 0.45 for iritis, 2.67 for conjunctival redness, 1.67 for chemosis, respectively (IUCLID (2000)). As relevant information, in other rabbit test, moderate corneal opacity, slight conjunctivitis and slight transient iritic congestion were noted (IUCLID (2000)).	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
4	Respiratory sensitization	Classification not possible	- -	-	-	No data available.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
4	Skin sensitization	Classification not possible	- -	-	-	It was reported that the substance was not sensitizing based on the sensitization test using guinea pigs (guinea pig maximization test, OECD TG406, GLP-compliant) in which the positive rate was 0% (0/20) (IUCLID (2000)). However, since it was the datum from the "List 2" information source designated in the GHS classification guidance for the Japanese government, the substance was classified as "Classification not possible".	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
5	Germ cell mutagenicity	Classification not possible	- -	-	-	The classification was not possible due to lack of in vivo test data. As relevant information, negative results in the Ames test were reported (IUCLID (2000)).	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
6	Carcinogenicity	Classification not possible	- -	-	-	No data available.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
7	Reproductive toxicity	Classification not possible	- -	-	-	No data available.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
8	Specific target organ toxicity - Single exposure	Classification not possible	- -	-	-	Insufficient data were available. It was reported that oral administration to rats at 5000 mg/kg caused cyanosis, loss of muscle tone and anergy in the decedents (IUCLID (2000)). Moreover, it was also reported that exposure by inhalation to rats at the concentrations ranging from 16.5 to 47.8 mg/L caused no effects attributed to the test substance in necropsy (IUCLID (2000)). However, no information was provided for details of the effects near the guidance values, therefore, the substance was classified as "Classification not possible".	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
9	Specific target organ toxicity - Repeated exposure	Classification not possible	- -	-	-	No data available.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
10	Aspiration hazard	Classification not possible	- -	-	-	No data available.	FY2010	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	- -	-	-	Classification not possible due to lack of data.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
11	Hazardous to the aquatic environment Long term (Chronic)	Classification not possible	- -	-	-	Classification not possible due to lack of data.	FY2010	GHS Classification Guidance by the Japanese Government （July, 2010）
12	Hazardous to the ozone layer	Classification not possible	- -	-	-	This substance is not listed in Annexes to the Montreal Protocol.	FY2010	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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