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Potassium Dihydrogen Phosphate EMSURE 1 Kg (Potasyum dihidrojen fosfat) CAS: 7778-77-0

Potassium Dihydrogen Phosphate EMSURE 1 Kg (Potasyum dihidrojen fosfat) CAS: 7778-77-0

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Merck

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104877.1000

3 Günde Kargoda

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Potassium Dihydrogen Phosphate EMSURE 1 Kg (Potasyum dihidrojen fosfat) CAS: 7778-77-0

CAS #: 7778-77-0 EC Number: 231-913-4 Molar Mass: 136.09 g/mol Chemical Formula: KH₂PO₄ Hill Formula: H₂KO₄P Grade: ACS,ISO,Reag. Ph Eur

Description
Catalogue Number	104877
Synonyms	mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic

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

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