| Safety data sheet |
| According to EC Directive 91/155/EEC |
|
|
| 1. Identification of the substance/preparation and of the company/undertaking |
| Identification of the product | ||
| Catalogue No.: | 159222 | |
| Product name: | Potassium hydroxide Reag. Ph Eur | |
| Manufacturer/supplier identification | ||
| Company: |
Merck Ltd. 9th Floor, Monterey Tower, 2170 New Petchburi Road, Bangkapi, Huaykwang, Bangkok 10320 Tel: (662) 308 - 0218 |
|
| 2. Composition/information on ingredients |
| Synonyms |
| caustic potash ; potassium hydrate ; potassium oxide hydrate |
| CAS-No.: | 1310-58-3 | EC-Index-No.: | 019-002-00-8 | ||
| Molar mass: | 56.11 | EINECS-No.: | 215-181-3 | ||
| Molecular formula: | KOH | ||||
| 3. Hazards identification |
| Causes severe burns. |
| 4. First aid measures |
|
After inhalation: fresh air. Summon doctor. After skin contact: wash off with plenty of water. Dab with polyethylene glycol 400. Immediately remove contaminated clothing. After eye contact: rinse out with plenty of water for at least 10 minutes with the eyelid held wide open. Immediately summon eye specialist. After swallowing: make victim drink plenty of water (if necessary several litres), avoid vomiting (risk of perforation!). Immediately summon doctor. Do not attempt to neutralize. |
| 5. Fire-fighting measures |
| Suitable extinguishing media: |
| In adaption to materials stored in the immediate neighbourhood. |
|
Special risks: |
| none |
|
Other information: |
| Non-combustible. |
| 6. Accidental release measures |
|
Person-related precautionary measures: Avoid generation of dusts; do not inhale dusts. Procedures for cleaning / absorption: Carefully take up dry. Forward for disposal. Clean up affected area. Additional notes: Render harmless: neutralize with dilute sulfuric acid. |
| 7. Handling and storage |
| Handling: |
| No further requirements. |
| Storage: |
|
Tightly closed. Dry. At +15ฐC to +25ฐC. Requirements for storage rooms and containers: No aluminium, tin, or zinc containers. |
| 8. Exposure controls/personal protection |
| Personal protective equipment: | |
| Respiratory protection: | required when dusts are generated. |
| Eye protection: | required |
| Hand protection: | required |
| Industrial hygiene: | Immediately change contaminated clothing. Apply skin- protective barrier cream. Wash hands and face after working with substance. |
| 9. Physical and chemical properties |
| Form: | solid | |||
| Colour: | white | |||
| Odour: | odourless | |||
| pH value | ||||
| at 50 g/l water | (20 ฐC) | > 13.5 | ||
| Melting temperature | 360 ฐC | |||
| Boiling temperature | 1320 ฐC | |||
| Ignition temperature | not available | |||
| Flash point | not available | |||
| Explosion limits | lower | not available | ||
| upper | not available | |||
| Density | (20 ฐC) | 2.04 g/cm3 | ||
| Solubility in | water | (20 ฐC) | ประมาณ 1100 g/l | |
| ethanol | (20 ฐC) | ประมาณ 400 g/l |
| 10. Stability and reactivity |
| Conditions to be avoided |
| no information available |
| Substances to be avoided |
|
metals (in the presence of atmospheric oxygen and/or moisture) , light metals : Formation of: hydrogen ; ammonium compounds : Formation of: ammonia ; alkaline earth metals , halogens , halogen-halogen compounds , halogenated hydrocarbons , nonmetallic oxyhalides , halogen oxides , organic nitro compounds , phosphorus , nonmetallic oxides , hydrocarbons , anhydrides , strong acids |
| Hazardous decomposition products |
| no information available |
| Further information |
|
extremely hygroscopic ; exothermic dissolution process with water ; incompatible with metals , various plastics , glass , animal/vegetable tissues |
| 11. Toxicological information |
| Acute toxicity |
| LD50 (oral, rat): 273 mg/kg |
| Further toxicological information |
|
After contact with substance: Burns of: skin , mucous membranes , eyes ( Risk of corneal clouding. ) After swallowing: Burns of: oesophagus , stomach ( strong pain (risk of perforation!) ; dizziness |
| 12. Ecological information |
|
Ecotoxic effects: Biological effects: Harmful effect due to pH shift. Caustic even in diluted form. Toxic for aquatic organisms. LC50: 10 mg/l /96 h Further ecologic data: Do not allow to enter waters, waste water, or soil! |
| 13. Disposal considerations |
| Product: |
| There are no uniform EC Regulations for the disposal of chemicals or residues. Chemical residues generally count as special waste. The disposal of the latter is regulated in the EC member countries through corresponding laws and regulations. We recommend that you contact either the authorities in charge or approved waste disposal companies which will advise you on how to dispose of special waste. |
| Packaging: |
| Disposal in compliance with official regulations. Handle contaminated packaging in the same way as the substance itself. If not officially specified differently, non-contaminated packaging may be treated like household waste or recycled. |
| 14. Transport information |
| Transport over land ADR/RID and GGVS/GGVE (Germany) | ||||
| GGVS/GGVE class: | 8 | Number and letter: | 41b | |
| ADR/RID class: | 8 | Number and letter: | 41b | |
| Name of material: | 1813 KALIUMHYDROXID, FEST | |||
| River transport ADN/ADNR | |||
| not examined | |||
| Sea transport IMDG | ||||||
| IMDG class: | 8 | UN-No.: | 1813 | Packaging group: | II | |
| Ems: | 8-06 | MFAG: | 705 | |||
| Correct technical name: | POTASSIUM HYDROXIDE,SOLID | |||||
| Air transport ICAO-TI and IATA-DGR | |||||
| ICAO/IATA class: | 8 | UN/ID-No.: | 1813 | Packaging group: | II |
| Correct technical name: | POTASSIUM HYDROXIDE,SOLID | ||||
| The transport regulations are cited according to international regulations and in the form applicable in Germany (GGVS/GGVE). Possible national deviations in other countries are not considered. |
| 15. Regulatory information |
| Labelling according to EC Directives | ||
| Symbol: | C | Corrosive immediately and show this container or label. |
| R-phrases: | R 35 | Causes severe burns. |
| S-phrases: | S 26-37/39-45 | In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). |
| EC-No.: | 215-181-3 | EC label |
| German regulations | ||
| Water pollution class | 1 | (slightly polluting substance) |
| 16. Other information |
| Reason for alteration |
| General update. Change in labelling. |
