پتاسیم دی هیدروژن فسفات 104873 Potassium dihydrogen phosphate , پتاسیم دی هیدروژن فسفات 104873 Potassium dihydrogen phosphate


پتاسیم دی هیدروژن فسفات 104873 Potassium dihydrogen phosphate
 104873  Potassium dihydrogen phosphatefor analysis EMSURE® ISO
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پتاسیم دی هیدروژن فسفات 104873 Potassium dihydrogen phosphate
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پتاسیم دی هیدروژن فسفات 104873 Potassium dihydrogen phosphate
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پتاسیم دی هیدروژن فسفات 104873 Potassium dihydrogen phosphate
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CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
7778-77-0231-913-4H₂KO₄PKH₂PO₄136.08 g/molISO

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Catalogue NumberAvailabilityPackagingQty/PackPriceQuantity 
1048730250

 

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Plastic bottle250 g
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1048731000

 

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Plastic bottle1 kg
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1048735000

 

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Plastic bottle5 kg
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1048739025

 

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Fibre carton25 kg
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1048739050

 

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Description
Catalogue Number104873
Synonymsmono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic

Product Information
CAS number7778-77-0
EC number231-913-4
GradeISO
Hill FormulaH₂KO₄P
Chemical formulaKH₂PO₄
Molar Mass136.08 g/mol
HS Code2835 24 00

Physicochemical Information
Density2.33 g/cm3 (21.5 °C)
Melting Point253 °C (decomposition)
pH value4.2 - 4.6 (20 g/l, H₂O, 20 °C)
Bulk density1200 kg/m3
Solubility208 g/l

Toxicological Information
LD 50 dermalLD50 Rabbit > 4640 mg/kg

Safety Information according to GHS
Precautionary Statement(s)P260: Do not breathe dust.
RTECSTC6615500
Storage class10 - 13 Other liquids and solids
WGKWGK 1 slightly water endangering
Disposal14
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).

Safety Information
S PhraseS 22
Do not breathe dust.

Storage and Shipping Information
StorageStore at +5°C to +30°C.

Transport Information
Declaration (railroad and road) ADR, RIDKein Gefahrgut
Declaration (transport by air) IATA-DGRNo Dangerous Good
Declaration (transport by sea) IMDG-CodeNo 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 substancespasses test
Loss on drying (110 °C)≤ 0.2 %
Loss on drying (130 °C)≤ 0.2 %
Correspons to ISO
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