GHS Classification Result

Chemical Name:thiomersal
CAS:54-64-8

Result:
ID: 1055
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 - - - - There are no chemical groups associated with explosive properties present in the molecules.
2 Flammable gases (including chemically unstable gases) Not applicable - - - - Solid (GHS definition)
3 Aerosols Not applicable - - - - Not aerosol products
4 Oxidizing gases Not applicable - - - - Solid (GHS definition)
5 Gases under pressure Not applicable - - - - Solid (GHS definition)
6 Flammable liquids Not applicable - - - - Solid (GHS definition)
7 Flammable solids Classification not possible - - - - No data available
8 Self-reactive substances and mixtures Not applicable - - - - There are no chemical groups associated with explosive or self-reactive properties present in the molecule.
9 Pyrophoric liquids Not applicable - - - - Solid (GHS definition)
10 Pyrophoric solids Not classified - - - - Non-pyrophoric when in contact with air at a room temperature. "Stable at air" (Merck, 13th, 2001)
11 Self-heating substances and mixtures Classification not possible - - - - No data available
12 Substances and mixtures which, in contact with water, emit flammable gases Not classified - - - - Stable to water (the water solubility is obtained)
13 Oxidizing liquids Not applicable - - - - Solid (GHS definition)
14 Oxidizing solids Classification not possible - - - - No data available
15 Organic peroxides Not applicable - - - - Organic compounds containing no -0-0- structure
16 Corrosive to metals Classification not possible - - - - Test methods applicable to solid substances are not available.

HEALTH HAZARDS
Hazard class Classification Symbol Signal word Hazard statement Precautionary statement Rationale for the classification
1 Acute toxicity (Oral) Category 3 Danger H301: Toxic if swallowed P301+P310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P264: Wash ... thoroughly after handling.
P270: Do not eat, drink or smoke when using this product.
P321: Specific treatment (see ... on this label).
P330: Rinse mouth.
P405: Store locked up.
P501: Dispose of contents/container to ...
SPECIES: Rat ENDPOINT: LD50 VALUE: 75mg/kg REFERENCE SOURCE: RTECS(2004)
1 Acute toxicity (Dermal) Classification not possible - - - - No data available
1 Acute toxicity (Inhalation: Gases) Not applicable - - - - Solid (GHS definition)
1 Acute toxicity (Inhalation: Vapours) Classification not possible - - - - No data available
1 Acute toxicity (Inhalation: Dusts and mists) Classification not possible - - - - No data available
2 Skin corrosion/irritation Classification not possible - - - - No data available
3 Serious eye damage/eye irritation Category 2B - Warning H320: Causes eye irritation P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
P264: Wash ... thoroughly after handling.
Due to the description "Mild" in rabbit (RTECS (2004)), it was classified into Category 2B.
4 Respiratory sensitization Classification not possible - - - - No data available
4 Skin sensitization Category 1 Warning H317: May cause an allergic skin reaction P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
P261: Avoid breathing dust/fume/gas/mist/vapours/spray.
P272: Contaminated work clothing should not be allowed out of the workplace.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P321: Specific treatment (see ... on this label).
P363: Wash contaminated clothing before reuse.
P501: Dispose of contents/container to ...
In DFGOTvol.15(2001), there were several reports which showed skin sensitization in human and guinea pig, it was set to Category 1.
5 Germ cell mutagenicity Category 2 Warning H341: Suspected of causing genetic defects P308+P313: IF exposed or concerned: Get medical advice/attention.
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P281: Use personal protective equipment as required.
P405: Store locked up.
P501: Dispose of contents/container to ...
It was set as Cateegory 2 from the positive example (RTECS (2004), HSDB (2004)) in an in vivo small core examination and chromosomal aberration test of a mouse.
6 Carcinogenicity Category 2 Warning H351: Suspected of causing cancer P308+P313: IF exposed or concerned: Get medical advice/attention.
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P281: Use personal protective equipment as required.
P405: Store locked up.
P501: Dispose of contents/container to ...
There is a report of the carcinogenicity test in rat in RTECS (2004) from Priority 2 source, uterine cancer was observed in the report, and it was being set as "Neoplastic (neoplastic)" in RTECS criteria. So it was classified into Category 2.
7 Reproductive toxicity Category 1B Danger H360: May damage fertility or the unborn child P308+P313: IF exposed or concerned: Get medical advice/attention.
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P281: Use personal protective equipment as required.
P405: Store locked up.
P501: Dispose of contents/container to ...
It is supposed that reproductive toxicity is in California Proposition 65 (California EPA/OEHHA, 2005) as a mercury compound. It was considered as Category 1B.
8 Specific target organ toxicity - Single exposure Category 2 (blood system, kidney, central nervous system, skin) Warning H371: May cause damage to organs (blood system, kidney, central nervous system, skin) P309+P311: IF exposed or if you feel unwell: 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.
P405: Store locked up.
P501: Dispose of contents/container to ...
The substance was classified as Category 2 (blood system, kidneys, central nervous system, skin) based on the reports (2 cases) concerning humans in HSDB(2004), a Priority 2 source reference.
9 Specific target organ toxicity - Repeated exposure Category 1 (central nervous system) Danger H372: Cause damage to organs through prolonged or repeated exposure (central nervous system) 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.
P314: Get medical advice/attention if you feel unwell.
P501: Dispose of contents/container to ...
In ACGIH-TLV (2004) of Priority 1 source, it is supposed that it has effect on a central nervous systems by repeated exposure of alkyl mercury compounds. It was classified into Category 1 (central nervous systems).
10 Aspiration hazard Classification not possible - - - - No data available

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 - - - - Insufficient data available.
11 Hazardous to the aquatic environment (Long-term) Classification not possible - - - - Classification not possible due to lack of data


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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