Merck 106585 5000 Sodium Hydrogen Phosphate Anhydrous Extra Pure Ph Eur,Usp,E 339 5 KG.

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Stok kodu: 106585 Kategoriler: Kimyasallar, Merck Milipore

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Description
Catalogue Number	106585
Description	di-Sodium hydrogen phosphate

Product Information
CAS number	7558-79-4
EC number	231-448-7
Grade	Ph Eur,BP,USP,JPE,E 339
Hill Formula	HNa₂O₄P
Chemical formula	Na₂HPO₄
Molar Mass	141.96 g/mol
HS Code	2835 22 00
Quality Level	MQ500

Physicochemical Information
Density	1.53 g/cm3 (20 °C)
Melting Point	>450 °C (decomposition)
pH value	8.9 – 9.2 (50 g/l, H₂O, 25 °C)
Bulk density	880 kg/m3
Solubility	77 g/l

Toxicological Information
LD 50 oral	LD50 Rat > 2000 mg/kg

Safety Information according to GHS
RTECS	WC4500000
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 +15°C to +25°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 (calculated on dried substance according to Ph Eur)	98.0 – 101.0 %
Assay (calculated on dried substance according to USP)	98.0 – 100.5 %
Assay (acidimetric; dried substance)	99.0 – 101.0 %
Identity	passes test
Appearance of solution	passes test
In water insoluble matter (calculated on dried substance)	≤ 0.20 %
Sodium dihydrogen phosphate (NaH₂PO₄)	≤ 2.5 %
pH-value (1 %, water)	9.0 – 9.4
Carbonate	passes test
Chloride (Cl)	≤ 0.010 %
Fluoride (F)	≤ 0.001 %
Sulfate (SO₄)	≤ 0.030 %
Heavy metals (as Pb)	≤ 0.0010 %
As (Arsenic)	≤ 0.0001 %
Cd (Cadmium)	≤ 0.0001 %
Fe (Iron)	≤ 0.002 %
Hg (Mercury)	≤ 0.0001 %
Ni (Nickel)*	≤ 0.0002
Pb (Lead)	≤ 0.0001 %
Residual solvents (ICH Q3C)	excluded by production process
Substances reducing potassium permanganate	passes test
Loss on drying (130 °C)	≤ 1.0 %
Particle size (< 0.315 mm)	about 99 %
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, USP, JPE, E 339 Conforms to the purity criteria on food additives according to the current European Commission Regulation.