MERCK 106323.2500 Sodium Hydrogen Carbonate EMPROVE® CAS No.144-55-8 (SD.M.106323.2500)

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MERCK 106323.2500 Sodium Hydrogen Carbonate EMPROVE® CAS No.144-55-8

Description
Catalogue Number	106323
Synonyms	Sodium bicarbonate

Physicochemical Information
Density	2.160 g/cm3
Melting Point	300 °C (decomposition)
pH value	8.6 (50 g/l, H₂O, 20 °C)
Vapor pressure	0.669 hPa (20 °C)
Bulk density	1000 kg/m3
Solubility	96 g/l

Toxicological Information
LD 50 oral	LD50 Rat 4220 mg/kg

Safety Information according to GHS
RTECS	VZ0950000
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 +30°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 according to Ph Eur)	99.0 - 101.0 %
Assay (acidimetric according to JP)	99.0 - 101.0 %
Assay (acidimetric, calculated on dried substance according to ChP)	99.0 - 101.0 %
Assay (acidimetric; calculated on dried substance according to USP)	99.5 - 100.5 %
Identity	passes test
Appearance of solution	passes test
Insoluble matter	passes test
pH-value (1 %, water)	8.0 - 8.6
pH-value (5 %; water)	7.9 - 8.4
Alkalinity	≤ 8.6
Carbonate (CO₃)	passes test
Chloride (Cl)	≤ 0.0150 %
Sulfate (SO₄)	≤ 0.01 %
Sulfur compounds (as SO₄)	≤ 0.015 %
Al (Aluminium)	≤ 0.00005 %
As (Arsenic)	≤ 0.0001 %
Ca (Calcium)	≤ 0.0100 %
Cu (Copper)	≤ 0.0005 %
Fe (Iron)	≤ 0.0010 %
Hg (Mercury)	≤ 0.0001 %
NH₄ (Ammonium)	≤ 0.0020 %
NH₄ (Ammonium) according to ChP	passes test
NH₄ (Ammonium) according to JP	passes test
NH₄ (Ammonium) according to USP	≤ 0.0020 %
Pb (Lead)	≤ 0.0002 %
Zn (Zinc)	≤ 0.0025 %
Heavy metals (as Pb)	≤ 0.0005 %
Residual solvents (ICH Q3C)	excluded by production process
Loss on drying (Silica gel)	≤ 0.25 %
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, USP, FCC, JP, E 500 Conforms to the purity criteria on food additives according to the current European Commission Regulation.

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