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Merck 105032 6025 Potassium Hydroxide Pellets Emprove 25 KG.
Merck 105032 6025 Potassium Hydroxide Pellets Emprove 25 KG.

Merck 105032 6025 Potassium Hydroxide Pellets Emprove 25 KG.

Ürün Kodu:1050326025
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Ürün Açıklaması
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Description
Catalogue Number105032
SynonymsPotash caustic
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Product Information
CAS number1310-58-3
EC index number019-002-00-8
EC number215-181-3
GradePh Eur,BP,JP,NF,FCC,E 525
Hill FormulaHKO
Chemical formulaKOH
Molar Mass56.11 g/mol
HS Code2815 20 00
Quality LevelMQ500
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Physicochemical Information
Density2.04 g/cm3 (20 °C)
Melting Point380 °C
pH value13.5 (5.6 g/l, H₂O, 25 °C)
Vapor pressure1 hPa (719 °C)
Solubility1130 g/l
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Toxicological Information
LD 50 oralLD50 Rat 333 mg/kg
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Safety Information according to GHS
Hazard Pictogram(s)Hazard Pictogram(s)\nHazard Pictogram(s)\n
Hazard Statement(s)H290: May be corrosive to metals.\nH302: Harmful if swallowed.\nH314: Causes severe skin burns and eye damage.
Precautionary Statement(s)P234: Keep only in original packaging.\nP260: Do not breathe dust.\nP280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.\nP301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.\nP303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.\nP305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal WordDanger
RTECSTT2100000
Storage class8B Non-combustible, corrosive hazardous materials
WGKWGK 1 slightly hazardous to water
Disposal13\nBases 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).
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Safety Information
Categories of dangerharmful, corrosive
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Storage and Shipping Information
StorageStore at +15°C to +25°C.
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Transport Information
Declaration (railroad and road) ADR, RIDUN 1813 , 8, II
Declaration (transport by air) IATA-DGRUN 1813 , 8, II
Declaration (transport by sea) IMDG-CodeUN 1813 , 8, II, Segregation Group: 18 (Alkalis)
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Specifications
Assay (acidimetric, KOH)≥ 85.0 %
Assay (total alkalinity calc. as KOH)85.0 - 100.5 %
Assay (K)≥ 59.9 %
Identitypasses test
Appearance of solutionpasses test
Insoluble substancespasses test
Carbonate (as K₂CO₃)≤ 2.0 %
Chloride (Cl)≤ 0.008 %
Phosphate (PO₄)≤ 0.002 %
Silicate (SiO₂)≤ 0.01 %
Sulfate (SO₄)≤ 0.005 %
Total nitrogen (N)≤ 0.0005 %
Heavy metals (as Pb)≤ 0.0005 %
Al (Aluminium)≤ 0.001 %
As (Arsenic)≤ 0.0003 %
Ca (Calcium)≤ 0.002 %
Cu (Copper)≤ 0.0005 %
Fe (Iron)≤ 0.001 %
Hg (Mercury)≤ 0.00001 %
Na (Sodium)≤ 1.0 %
Pb (Lead)≤ 0.0002 %
Zn (Zinc)≤ 0.0025 %
Residual solvents (Ph Eur/USP/ICH)excluded by manufacturing process
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities).\nClass 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, JP, NF, FCC, E525\nConforms to the purity criteria on food additives according to the current European Commission Regulation.

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