Merck 106579 di-Sodium hydrogen phosphate dodecahydrate for analysis EMSURE® ISO,Reag. Ph Eur CAS No.: 10039-32-4 1 kg

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Tuzlar

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MERCK

Stock Code

LB.M.106579.1000

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Synonyms: Sodium monohydrogen phosphate, Sodium phosphate dibasic CAS Number: 10039-32-4 EC Number: 231-448-7 Molar Mass: 358.1 g/mol Chemical Formula: Na₂HPO₄ * 12 H₂O Hill Formula: HNa₂O₄P * 12 H₂O Grade: ISO,Reag. Ph Eur

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Merck 106579

di-Sodium hydrogen phospate dodecahydrate for analysis EMSURE® ISO, Reag. Ph Eur

Description
Catalogue Number	106579
Replaces	SX0718; SX0718-1
Synonyms	Sodium monohydrogen phosphate, Sodium phosphate dibasic
Description	di-Sodium hydrogen phosphate dodecahydrate

Product Information
CAS number	10039-32-4
EC number	231-448-7
Grade	ISO,Reag. Ph Eur
Hill Formula	HNa₂O₄P * 12 H₂O
Chemical formula	Na₂HPO₄ * 12 H₂O
Molar Mass	358.14 g/mol
HS Code	2835 22 00
Quality Level	MQ300

Physicochemical Information
Density	1.52 g/cm3 (20 °C)
pH value	9.0 - 9.3 (50 g/l, H₂O, 20 °C)
Bulk density	800 - 900 kg/m3
Solubility	218 g/l

Toxicological Information
LD 50 oral	LD50 Rat > 2000 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).

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 (alkalimetric)	99.0 - 102.0 %
Identity	passes test
Appearance of solution	passes test
Sodium Dihydrogene phospate	≤ 2.5 %
pH-value (5 %; water)	9.0 - 9.3
Chloride (Cl)	≤ 0.0005 %
Sulfate (SO₄)	≤ 0.005 %
Total nitrogen (N)	≤ 0.001 %
Heavy metals (as Pb)	≤ 0.0005 %
As (Arsenic)	≤ 0.00005 %
Cu (Copper)	≤ 0.0002 %
Fe (Iron)	≤ 0.0005 %
K (Potassium)	≤ 0.005 %
Pb (Lead)	≤ 0.0005 %
Reducing substances	passes test
Loss on drying (130 °C)	57.0 - 61.0 %
Corresponds to ISO,Reag. Ph Eur

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