Millipore Sigma Vibrant Logo
Attention: We have moved. Merck Millipore products are no longer available for purchase on MerckMillipore.com.Learn More

104873 Potassium dihydrogen phosphate

for analysis EMSURE® ISO

Potassium dihydrogen phosphate MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic

CAS #: 7778-77-0 EC Number: 231-913-4 Molar Mass: 136.09 g/mol Chemical Formula: KH₂PO₄ Hill Formula: H₂KO₄P Grade: ISO
104873
Purchase on Sigma-Aldrich

Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
7778-77-0231-913-4H₂KO₄PKH₂PO₄136.09 g/molISO

Products

Catalogue NumberPackaging Qty/Pack
1.04873.0250 Plastic bottle 250 g
1.04873.1000 Plastic bottle 1 kg
1.04873.5000 Plastic bottle 5 kg
1.04873.9025 Fibre carton 25 kg
1.04873.9050 Fibre carton 50 kg
Description
Catalogue Number104873
Synonymsmono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic
References
Product Information
CAS number7778-77-0
EC number231-913-4
GradeISO
Hill FormulaH₂KO₄P
Chemical formulaKH₂PO₄
Molar Mass136.09 g/mol
HS Code2835 24 00
Quality LevelMQ300
Applications
Biological Information
Physicochemical Information
Density2.33 g/cm3 (21.5 °C)
Melting Point252.6 °C (decomposition)
pH value4.2 - 4.6 (20 g/l, H₂O, 20 °C)
Vapor pressure<0.1 hPa (25 °C)
Bulk density1200 kg/m3
Solubility208 g/l
Dimensions
Materials Information
Toxicological Information
LD 50 dermalLD50 Rabbit > 4640 mg/kg
Safety Information according to GHS
RTECSTC6615500
Storage class10 - 13 Other liquids and solids
WGKWGK 1 slightly hazardous to water
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
Product Usage Statements
Storage and Shipping Information
StorageStore at +2°C to +30°C.
Packaging Information
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
Supplemental Information
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
Global Trade Item Number
Catalogue Number GTIN
1.04873.0250 04022536056074
1.04873.1000 04022536056098
1.04873.5000 04022536056128
1.04873.9025 04022536584263
1.04873.9050 04022536056142

Documentation

Potassium dihydrogen phosphate SDS

Title

Safety Data Sheet (SDS) 

Potassium dihydrogen phosphate Certificates of Analysis

Product Number PackagingSpecificationLot Number
1.04873.0250 Plastic bottlePDF Specification Document
1.04873.1000 Plastic bottlePDF Specification Document
1.04873.5000 Plastic bottlePDF Specification Document
1.04873.9025 Fibre cartonPDF Specification Document
1.04873.9050 Fibre cartonPDF Specification Document

Brochure

Title
Inorganics & Solvents for classical analysis
More Than Sure
Smart Up your lab

Technical Info

Title
Constituents and Additives - Organic Acids
Food Safety and Food Quality Control

Application Notes

Title
Peroxidase in Vegetables
Platinum in water and wastewater