Merck 105101 1000 Potassium Hydrogen Phosphate Emprove 1 KG.

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Description
Catalogue Number	105101
Synonyms	Dipotassium hydrogen phosphate, Potassium phosphate dibasic, Dipotassium Phosphate

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Product Information
CAS number	7758-11-4
EC number	231-834-5
Grade	Ph Eur,BP,E 340
Hill Formula	HK₂O₄P
Chemical formula	K₂HPO₄
Molar Mass	174.18 g/mol
HS Code	2835 24 00
Quality Level	MQ500

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Physicochemical Information
Density	2.45 g/cm3 (20.5 °C)
Melting Point	>450 °C (decomposition)
pH value	9.2 (H₂O)
Bulk density	700 - 1000 kg/m3
Solubility	1600 g/l

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Toxicological Information
LD 50 oral	LD50 Rat 8000 mg/kg

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Safety Information according to GHS
RTECS	TC5580000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	14\nInorganic 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).

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Storage and Shipping Information
Storage	Store at +15°C to +25°C.

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Specifications
Assay (alkalimetric, calculated on dried substance)	98.0 - 101.0 %
Assay (out of dried substance)	≥ 98.0 %
Identity	passes test
Appearance of solution	passes test
In water insoluble matter	≤ 0.2 %
pH-value (1 %, water)	8.7 - 9.4
Chloride (Cl)	≤ 0.02 %
Fluoride (F)	≤ 0.0010 %
Sulfate (SO₄)	≤ 0.1 %
Al (Aluminium)	≤ 0.0005 %
As (Arsenic)	≤ 0.0001 %
Cd (Cadmium)	≤ 0.0001 %
Fe (Iron)	≤ 0.0010 %
Hg (Mercury)	≤ 0.0001 %
Na (Sodium)	≤ 1.5 %
Pb (Lead)	≤ 0.0001 %
Potassium dihydrogen phosphate	≤ 2.5 %
Residual solvents (ICH Q3C)	excluded by manufacturing process
Reducing substances	passes test
Loss on drying (130 °C)	≤ 2.0 %
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 (*).
Corresponds to Ph Eur, BP, E 340\nConforms to the purity criteria on food additives according to the current European Commission Regulation.