MERCK 104873.0250 Potassium Dihydrogen Phosphate Gr For Analysis iso 250G

MERCK 104873.0250 Potassium Dihydrogen Phosphate Gr For Analysis iso 250G

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Kategori
MERCK , Kimyasallar
Marka
MERCK
Stok Kodu
LK.MRCK.1048730250
Fiyat
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34,96 EUR + KDV
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Ürün Bilgisi
Ürün Bilgisi
Description
Catalogue Number 104873
Synonyms mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic
Product Information
CAS number 7778-77-0
EC number 231-913-4
Grade ISO
Hill Formula H₂KO₄P
Chemical formula KH₂PO₄
Molar Mass 136.09 g/mol
HS Code 2835 24 00
Quality Level MQ300
Physicochemical Information
Density 2.33 g/cm3 (21.5 °C)
Melting Point 252.6 °C (decomposition)
pH value 4.2 - 4.6 (20 g/l, H₂O, 20 °C)
Vapor pressure <0.1 hPa (25 °C)
Bulk density 1200 kg/m3
Solubility 208 g/l
Toxicological Information
LD 50 dermal LD50 Rabbit > 4640 mg/kg
Safety Information according to GHS
RTECS TC6615500
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
Disposal 14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
Storage and Shipping Information
Storage Store at +2°C to +30°C.
Transport Information
Declaration (railroad and road) ADR, RID Kein Gefahrgut
Declaration (transport by air) IATA-DGR No Dangerous Good
Declaration (transport by sea) IMDG-Code No Dangerous Good
Specifications
Assay (alkalimetric, calculated on dried substance) 99.5 - 100.5 %
Assay (alkalimetric; dried substance) ≥ 99.5 %
pH-value (5 %; water) 4.2 - 4.5
Chloride (Cl) ≤ 0.0005 %
Sulfate (SO₄) ≤ 0.003 %
Total nitrogen (N) ≤ 0.001 %
Heavy metals (as Pb) ≤ 0.0010 %
As (Arsenic) ≤ 0.0002 %
Cu (Copper) ≤ 0.0003 %
Fe (Iron) ≤ 0.0010 %
Na (Sodium) ≤ 0.02 %
Pb (Lead) ≤ 0.001 %
Reducing substances passes test
Loss on drying (110 °C) ≤ 0.2 %
Loss on drying (130 °C) ≤ 0.2 %
Correspons to ISO
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MERCK 104873.0250 Potassium Dihydrogen Phosphate Gr For Analysis iso 250G LK.MRCK.1048730250
MERCK 104873.0250 Potassium Dihydrogen Phosphate Gr For Analysis iso 250G

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