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MERCK

MERCK 104877.1000 Potassium Dihydrogen Phosphate P.A. EMSU (SD.M.104877.1000)

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MERCK 104877.1000 Potassium Dihydrogen Phosphate P.A. EMSU

 

 
Description
Catalogue Number 104877
Synonyms mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic
Product Information
CAS number 7778-77-0
EC number 231-913-4
Grade ACS,ISO,Reag. Ph Eur
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) ≥ 99.0 %
Assay (alkalimetric, calculated on dried substance) 98.0 - 100.5 %
Assay (alkalimetric; dried substance) ≥ 99.5 %
Identity passes test
Appearance of solution passes test
Insoluble matter ≤ 0.01 %
pH-value (5 %; water, 25 °C) 4.2 - 4.5
Chloride (Cl) ≤ 0.0005 %
Sulfate (SO₄) ≤ 0.003 %
Total nitrogen (N) ≤ 0.001 %
Heavy metals (as Pb) ≤ 0.0010 %
Heavy metals (ACS) ≤ 0.001 %
As (Arsenic) ≤ 0.0002 %
Fe (Iron) ≤ 0.0010 %
Na (Sodium) ≤ 0.005 %
Reducing substances passes test
Loss on drying (130 °C) ≤ 0.2 %
Corresponds to ACS,ISO,Reag. Ph Eur
Global Trade Item Number
Catalogue Number GTIN
1048771000 04022536056265
1048779025 04022536734507
Etiketler
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