CAS #: 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: Ph Eur,BP,ChP,JP,USP

Description
Catalogue Number	106573
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	Ph Eur,BP,ChP,JP,USP
Hill Formula	HNa₂O₄P * 12 H₂O
Chemical formula	Na₂HPO₄ * 12 H₂O
Molar Mass	358.1 g/mol
HS Code	2835 22 00
Quality Level

Physicochemical Information
Density	1.52 g/cm3 (20 °C)
pH value	8.4 - 9.6 (35.8 g/l, H₂O, 25 °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 +2°C to +8°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 (acidimetric)	98.5 - 102.5 %
Assay (acidimetric; calculated on dried substance)	98.5 - 100.5 %
Assay (acidimetric, calculated on dried substance according to ChP)	98.0 - 101.0 %
Assay (acidimetric, calculated on dried substance according to JP)	98.0 - 101.0 %
Identity	passes test
Appearance of solution	passes test
In water insoluble matter	≤ 0.05 %
Alkalinity	9.0 - 9.4
pH-value (2 %; water)	9.0 - 9.4
pH-value (5 %; water)	9.0 - 9.3
Carbonate	passes test
Chloride (Cl)	≤ 0.001 %
Sulfate (SO₄)	≤ 0.01 %
Heavy metals (as Pb)	≤ 0.0001 %
As (Arsenic)	≤ 0.0001 %
Fe (Iron)	≤ 0.001 %
Sodium dihydrogen phosphate (NaH₂PO₄)	≤ 0.8 %
Residual solvents (ICH Q3C)	excluded by production process
Substances reducing potassium permanganate (as O)	passes test
Loss on drying (130 °C)	57.0 - 61.0 %
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,ChP,JP,USP

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di-Sodium Hydrogen Phosphate Crystal Emprove 5 Kg (Sodyum Hidrojen Fosfat Kristali) CAS: 10039-32-4

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