GHS Classification Result

Chemical Name:methyl nitrite
CAS:624-91-9

Result:
ID: 1112
Classifier: Inter-ministerial Committee on GHS
Year Classified: FY2006
Reference Manual: GHS Classification Manual (10 Feb, 2006)

PHYSICAL HAZARDS
Hazard class Classification Symbol Signal word Hazard statement Precautionary statement Rationale for the classification
1 Explosives Not applicable - - - - Gas (GHS definition)
2 Flammable gases (including chemically unstable gases) Category 2 - Warning H221: Flammable gas P210: Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
P377: Leaking gas fire: Do not extinguish, unless leak can be stopped safely.
P381: Eliminate all ignition sources if safe to do so.
P403: Store in a well-ventilated place.
UNRTDG No.2455, Class: 2.2
3 Aerosols Not applicable - - - - Not aerosol products
4 Oxidizing gases Not classified - - - - UNRTDG No. 2455, Class: 2.2(Not 5.1)
5 Gases under pressure Low pressure liquefied gas Warning H280: Contains gas under pressure; may explode if heated P410+P403: Protect from sunlight. Store in a well-ventilated place. Low pressure liquefied gas because of "the melting point: -16degC and the boiling point: -12degC" (Lide, 85th, 2004)
6 Flammable liquids Not applicable - - - - Gas (GHS definition)
7 Flammable solids Not applicable - - - - Gas (GHS definition)
8 Self-reactive substances and mixtures Not applicable - - - - Gas (GHS definition)
9 Pyrophoric liquids Not applicable - - - - Gas (GHS definition)
10 Pyrophoric solids Not applicable - - - - Gas (GHS definition)
11 Self-heating substances and mixtures Not applicable - - - - Gas (GHS definition)
12 Substances and mixtures which, in contact with water, emit flammable gases Not applicable - - - - Gas (GHS definition)
13 Oxidizing liquids Not applicable - - - - Gas (GHS definition)
14 Oxidizing solids Not applicable - - - - Gas (GHS definition)
15 Organic peroxides Not applicable - - - - Gas (GHS definition)
16 Corrosive to metals Classification not possible - - - - Test methods applicable to gas substances are not available

HEALTH HAZARDS
Hazard class Classification Symbol Signal word Hazard statement Precautionary statement Rationale for the classification
1 Acute toxicity (Oral) Classification not possible - - - - No data available
1 Acute toxicity (Dermal) Classification not possible - - - - No data available
1 Acute toxicity (Inhalation: Gases) Category 2 Danger H330: Fatal if inhaled P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P271: Use only outdoors or in a well-ventilated area.
P284: Wear respiratory protection.
P310: Immediately call a POISON CENTER or doctor/physician.
P320: Specific treatment is urgent (see ... on this label).
P405: Store locked up.
P501: Dispose of contents/container to ...
It was considered as Category 2 from rat LC50 = 176ppm/4H (PATTY, 5th (2001), RTECS (1997)).
1 Acute toxicity (Inhalation: Vapours) Not applicable - - - - Gas (GHS definition)
1 Acute toxicity (Inhalation: Dusts and mists) Not applicable - - - - Gas (GHS definition)
2 Skin corrosion/irritation Classification not possible - - - - No data available
3 Serious eye damage/eye irritation Classification not possible - - - - No data available
4 Respiratory sensitization Classification not possible - - - - No data available
4 Skin sensitization Classification not possible - - - - No data available
5 Germ cell mutagenicity Classification not possible - - - - Classification not possible due to lack of data
6 Carcinogenicity Classification not possible - - - - No data available
7 Reproductive toxicity Classification not possible - - - - No data available
8 Specific target organ toxicity - Single exposure Category 1 (blood) Danger H370: Causes damage to organs (blood) P307+P311: IF exposed: Call a POISON CENTER or doctor/physician.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P264: Wash ... thoroughly after handling.
P270: Do not eat, drink or smoke when using this product.
P321: Specific treatment (see ... on this label).
P405: Store locked up.
P501: Dispose of contents/container to ...
The substance was classified as Category 1 (blood) based on the report in Priority 1 that it causes symptoms such as cyanosis and dizziness resulting from methemoglobinemia (PATTY (5th, 2001)).
9 Specific target organ toxicity - Repeated exposure Classification not possible - - - - No data available
10 Aspiration hazard Not applicable - - - - Gas (GHS definition)

ENVIRONMENTAL HAZARDS
Hazard class Classification Symbol Signal word Hazard statement Precautionary statement Rationale for the classification
11 Hazardous to the aquatic environment (Acute) Classification not possible - - - - No data available
11 Hazardous to the aquatic environment (Long-term) Classification not possible - - - - No data available.


NOTE:
* Classification was conducted by relevant Japanese Ministries in accordance with GHS Classification Guidance for the Japanese Government, and is intended to provide a reference for preparing GHS labelling and SDS for users.
* This is a provisional English translation of classification results and is subject to revision without notice.
* The responsibility for any resulting GHS labelling and SDS referenced from this site is with users.

Reference:
Reference Manual

Definitions / Abbreviations

Model Label by MHLW

MHLW Website (in Japanese Only)

Model SDS by MHLW

MHLW Website (in Japanese Only)


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