محلول 25% آمونیاک 105422 مرک

Description
Catalogue Number	105422
Synonyms	Ammonium hydroxide solution, Ammonia water

Product Information
Grade	Ph Eur,BP
HS Code	2814 20 00

Physicochemical Information
Boiling point	37.7 °C (1013 hPa)
Density	0.903 g/cm3 (20 °C)
Explosion limit	15.4 - 33.6 %(V)
Melting Point	-57.5 °C
Vapor pressure	483 hPa (20 °C)

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H290: May be corrosive to metals. H314: Causes severe skin burns and eye damage. H335: May cause respiratory irritation. H400: Very toxic to aquatic life.
Precautionary Statement(s)	P273: Avoid release to the environment. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class	8B Non-combustible, corrosive hazardous materials
WGK	WGK 2 water endangering
Disposal	13 Bases and alcoholates should be diluted if necessary by carefully stirring them into water and then neutralized (protective gloves, fume cupboard!) with hydrochloric acid (Cat. No. 100312). Before placing in container D, check the pH with pH universal indicator strips (Cat. No. 109535).

Safety Information
Hazard Symbols	Dangerous for the environment Corrosive
Categories of danger	corrosive, dangerous for the environment
R Phrase	R 34-50 Causes burns.Very toxic to aquatic organisms.
S Phrase	S 26-36/37/39-45-61 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).Avoid release to the environment. Refer to special instructions/ Safety data sheets.

Storage and Shipping Information
Storage	Store at +2°C to +25°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 2672 , 8, III
Declaration (transport by air) IATA-DGR	UN 2672 , 8, III
Declaration (transport by sea) IMDG-Code	UN 2672 , 8, III, Marine Pollutant: P, Segregation Group: 18 (Alkalis)

Specifications
Assay (acidimetric, NH₃)	25.0 - 30.0 %
Identity	passes test
Appearance of solution	passes test
Density (20/20°C)	0.892 - 0.910
Carbonate (as CO₂)	≤ 0.006 %
Chloride (Cl)	≤ 0.00010 %
Sulphate (SO₄)	≤ 0.0005 %
Pyridine and related substances	≤ 0.0002 %
Heavy metals (as Pb)	≤ 0.00010 %
Cu (Copper)	≤ 0.00005 %
Fe (Iron)	≤ 0.000025 %
Substances reducing potassium permanganate (as O)	≤ 0.00075 %
Residual solvents (ICH Q3C)	...excluded by production process
Evaporation residue	≤ 0.0018 %
Residue on ignition (as SO₄)	≤ 0.002 %
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Conforms to Ph Eur, BP