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Description
Catalogue Number
106349
References
Product Information
CAS number
10049-21-5
EC number
231-449-2
Grade
BP,USP
Hill Formula
H₂NaO₄P*H₂O
Chemical formula
NaH₂PO₄ * H₂O
Molar Mass
137.99 g/mol
HS Code
2835 22 00
Applications
Biological Information
Physicochemical Information
Density
2.04 g/cm3 (20 °C)
pH value
4.1 - 4.5 (50 g/l, H₂O, 25 °C)
Bulk density
880 kg/m3
Solubility
850 g/l
Dimensions
Materials Information
Toxicological Information
LD 50 oral
LD50 Rat > 2000 mg/kg
LD 50 dermal
LD50 Rabbit > 7940 mg/kg
Safety Information according to GHS
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).
Safety Information
Product Usage Statements
Storage and Shipping Information
Storage
Store at +15°C to +25°C.
Packaging Information
Transport Information
Supplemental Information
Specifications
Assay (alkalimetric, calculated on dried substance)
98.0 - 100.5 %
Identity
passes test
Appearance of solution
passes test
Insoluble substances
≤ 0.2 %
pH-value (5 %; water)
4.2 - 4.5
Chloride (Cl)
≤ 0.014 %
Sulfate (SO₄)
≤ 0.0300 %
Heavy metals (as Pb)
≤ 0.0010 %
Al (Aluminium)
≤ 0.0002 %
As (Arsenic)
≤ 0.0002 %
Fe (Iron)
≤ 0.0010 %
Aluminium, Calcium and related elements
passes test
Reducing substances
passes test
Residual solvents (ICH Q3C)
excluded by manufacturing process
Loss on drying (130 °C)
11.5 - 14.5 %
Water
10.0 - 15.0 %
Endotoxins
≤ 2.5 I.U./g
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 (*).
