GHS Classification Result

Chemical Name:Ammonium hydroxide
CAS:1336-21-6

Result:
ID: 1128
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 - - - - Liquid (GHS definition)
3 Aerosols Not applicable - - - - Not aerosol products
4 Oxidizing gases Not applicable - - - - Liquid (GHS definition)
5 Gases under pressure Not applicable - - - - Liquid (GHS definition)
6 Flammable liquids Not classified - - - - Non-combustible (ICSC(J), 1995).
7 Flammable solids Not applicable - - - - Liquid (GHS definition)
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 classified - - - - Not combustible (ICSC (J), 1995)
10 Pyrophoric solids Not applicable - - - - Liquid (GHS definition)
11 Self-heating substances and mixtures Not classified - - - - Not combustible (ICSC(J) (1995))
12 Substances and mixtures which, in contact with water, emit flammable gases Not applicable - - - - The chemical structure of the substance does not contain metals or metaloids(B, Si, P, Ge, As, Se, Sn, Sb, Te, Bi, Po, At).
13 Oxidizing liquids Not applicable - - - - Inorganic compounds containing oxygen bonded only to hydrogen (but not to other elements).
14 Oxidizing solids Not applicable - - - - Liquid (GHS definition)
15 Organic peroxides Not applicable - - - - Inorganic compound
16 Corrosive to metals Category 1 Warning H290: May be corrosive to metals P234: Keep only in original container.
P390: Absorb spillage to prevent material-damage.
P406: Store in corrosive resistant/... container with a resistant inner liner.
Although the examination data of metal caustic was not found, 8 which indicates caustic is given to UNRTDG corresponding to UNRTDG No. (2672). Since ICSC (J) (1995) had a description "it corrodes many metals," it was set as Category 1.

HEALTH HAZARDS
Hazard class Classification Symbol Signal word Hazard statement Precautionary statement Rationale for the classification
1 Acute toxicity (Oral) Category 4 Warning H302: Harmful if swallowed P301+P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
P264: Wash ... thoroughly after handling.
P270: Do not eat, drink or smoke when using this product.
P330: Rinse mouth.
P501: Dispose of contents/container to ...
The substance was classified as Category 4, because the LD50 in rats was 350mg/kg in RTECS (1997). [Note] Although aqueous ammonia (ammonium hydroxide) is aqueous solutions of ammonia (NH3), ammonia is highly volatile. Thus refer to the GHS classification results of ammonia (IDNo.0564, CAS No.7664-41-7).
1 Acute toxicity (Dermal) Classification not possible - - - - No data available
1 Acute toxicity (Inhalation: Gases) Not applicable - - - - Liquid (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 Category 1A-1C Danger H314: Causes severe skin burns and eye damage P301+P330+P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P264: Wash ... thoroughly after handling.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P310: Immediately call a POISON CENTER or doctor/physician.
P321: Specific treatment (see ... on this label).
P363: Wash contaminated clothing before reuse.
P405: Store locked up.
P501: Dispose of contents/container to ...
Caustic is indicated in the affect of the humans (SITTIG (4th, 2002), DHP (13th, 2002), ICSC (J) (1995), and EU-Annex I (Access on Jun.2005)). Since the examination data of the animal used as the index for further categorizing was not found, it was set as Category 1A-1C.
3 Serious eye damage/eye irritation Category 1 Danger H318: Causes serious eye damage P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P310: Immediately call a POISON CENTER or doctor/physician.
The causticity is indicated in the examination data of the rabbit (RTECS (1997) and HSDB (2003)), and in effect of the human (SITTIG (4th, 2002), DHP (13th, 2002), ICSC (J) (1995)). So it was classified into Category 1.
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 2 (respiratory system) Warning H371: May cause damage to organs (respiratory system) 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 (respiratory system) based on a report in ICSC (J) (1995), a Priority 2 document, which describes the effects after a short-time exposure in humans as "airway corrosivity properties, and laryngeal edema, pneumonia, etc, when it is inhaled at a higher concentration vapor." There are also reports of pulmonary edema after inhalation exposure in the Priority 2 documents, SITTIG (4th, 2002), DHP (13th, 2002) and RTECS (1997).
9 Specific target organ toxicity - Repeated exposure Category 2 (respiratory system) Warning H373: May cause damage to organs through prolonged or repeated exposure (respiratory system) P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P314: Get medical advice/attention if you feel unwell.
P501: Dispose of contents/container to ...
Since there is description that "lungs will be risked in repetitive exposure of steam or an aerosol" as effect to humans of repetitive exposure (ICSC (J)(1995) of Priority 2 document), it was classified into Category 2 (respiratory systems). There is description that "chronic bronchitis is occured by low-concentration repeated exposure." ,too (SITTIG (4th, 2002) of Priority 2 document).
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) Category 1 Warning H400: Very toxic to aquatic life P273: Avoid release to the environment.
P391: Collect spillage.
P501: Dispose of contents/container to ...
It was classified into Category 1 from 48-hour LC50=0.66mg/L of Crustacea (Daphnia magna) (HSDB, 2004).
11 Hazardous to the aquatic environment (Long-term) Category 1 Warning H410: Very toxic to aquatic life with long lasting effects P273: Avoid release to the environment.
P391: Collect spillage.
P501: Dispose of contents/container to ...
Classified into Category 1, since acute toxicity was Category 1, and behavior in water and bioaccumulative potential are unknown.


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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