Merck 104871 Potassium dihydrogen phosphate cryst., EMPROVE® ESSENTIAL Ph Eur,BP,ChP,JPC,NF,E 340 CAS No.: 7778-77-0

Category

Mikroskopi İçin Yan ve Diğer Ürünler , Diğer Analitik Kimyasallar

Brand

MERCK

Stock Code

LB.M.104871.5000

Kısa Bilgi

Synonyms: mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic CAS No: 7778-77-0 EC Number: 231-913-4 Molar Mass: 136.09 g/mol Chemical Formula: KH₂PO₄ Hill Formula: H₂KO₄P Grade: Ph Eur,BP,ChP,JPC,NF,E 340

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Merck 104871 Potassium dihydrogen phosphate cryst., EMPROVE^® ESSENTIAL Ph Eur,BP,ChP,JPC,NF,E 340
Catalogue Number	104871
Synonyms	mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic

Product Information
CAS number	7778-77-0
EC number	231-913-4
Grade	Ph Eur,BP,ChP,JPC,NF,E 340
Hill Formula	H₂KO₄P
Chemical formula	KH₂PO₄
Molar Mass	136.09 g/mol
HS Code	2835 24 00
Quality Level	MQ500

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)	98.0 - 100.5 %
Assay (alkalimetric; dried substance)	≥ 99.0 %
Appearance of solution	passes test
Identity	passes test
Insoluble substances	≤ 0.2 %
pH-value (1 %; water)	4.2 - 4.8
pH-value (2 %; water)	4.2 - 4.6
pH-value (5 %; water)	4.2 - 4.5
Carbonate	passes test
Condensed phosphate	passes test
Chloride (Cl)	≤ 0.009 %
Fluoride (F)	≤ 0.0010 %
Sulfate (SO₄)	≤ 0.017 %
Heavy metals (as Pb)	≤ 0.0010 %
Al (Aluminium)	≤ 0.0005 %
As (Arsenic)	≤ 0.0001 %
Cd (Cadmium)	≤ 0.0001 %
Fe (Iron)	≤ 0.0010 %
Hg (Mercury)	≤ 0.0001 %
Na (Sodium)	≤ 0.1 %
	passes test
Pb (Lead)	≤ 0.0001 %
Sb (Antimony) (*)	≤ 0.0009
Residual solvents (ICH Q3C)	excluded by manufacturing process
Reducing substances	passes test
Loss on drying (105 °C)	≤ 0.5 %
Loss on drying (130 °C)	≤ 1.0 %
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, JPC, NF, E 340 Conforms to the purity criteria on food additives according to the current European Commission Regulation.

Global Trade Item Number
Catalogue Number	GTIN
1048710001	04027269279721
1048711000	04022536056029
1048715000	04022536056043
1048719029	04027269986056
1048719050	04022536056050

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