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Nessler Reagent, Chem-Lab
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Quantity:
100 mL
Description
Nessler reagent (K2HgI4) is a solution prepared by combining sodium hydroxide and potassium iodide with mercuric chloride or mercury iodide. When reacted with gaseous ammonia, it produces brown fumes. When passed through a solution of ammonia, it produces a dirty brown precipitate.
Specifications
Specifications
Color | Yellow |
Boiling Point | 100°C |
Melting Point | 0°C |
Composition | 70g KI + 100g HgCl2 + 160g NaOH / l H2O |
Solubility Information | Water Soluble |
IUPAC Name | dipotassium tetraiodomercurydiuide |
Formula Weight | 786.40g/mol |
Odor | Odorless |
pH | >13 |
Quantity | 100 mL |
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Safety and Handling
Product Identifier
- Nessler reagent
- Danger
- Acute toxicity Category 3
- ACUTE AQUATIC Acute 1
- Skin corrosion/irritation Category 1 B
- Specific target organ toxicity after repeated exposure Category 2
- H301-Toxic if swallowed.
- H310-Fatal in contact with skin.
- H314-Causes severe skin burns and eye damage.
- H330-Fatal if inhaled.
- H373-May cause damage to organs.
- H410-Very toxic to aquatic life with long lasting effects.
- P260-Do not breathe dust/fume/gas/mist/vapours/spray.
- P273-Avoid release to the environment.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P284-¢In case of inadequate ventilation! wear respiratory protection.
- P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
- P302+P352-IF ON SKIN: Wash with plenty of water/soap.
- MIXTURE LIST-Contains : KI,HgCl2,NaOH
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