Merck 106392 1000 Sodium Carbonate Anhydrous Gr For Analysis iso 1 KG.

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Stok kodu: 106392 Kategoriler: Kimyasallar, Merck Milipore

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Description
Catalogue Number	106392
Synonyms	anhydrous soda

Product Information
CAS number	497-19-8
EC index number	011-005-00-2
EC number	207-838-8
Grade	ISO
Hill Formula	CNa₂O₃
Chemical formula	Na₂CO₃
Molar Mass	105.99 g/mol
HS Code	2836 20 00
Structure formula Image
Quality Level	MQ300

Physicochemical Information
Boiling point	1600 °C (decomposition)
Density	2.52 – 2.53 g/cm3 (20 °C)
Melting Point	851 °C
pH value	11.16 (4 g/l, H₂O, 25 °C)
Bulk density	1100 kg/m3
Solubility	212.5 g/l

Toxicological Information
LD 50 oral	LD50 Rat 4090 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H319: Causes serious eye irritation.
Precautionary Statement(s)	P264: Wash skin thoroughly after handling. P280: Wear eye protection/ face protection. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P337 + P313: If eye irritation persists: Get medical advice/ attention.
Signal Word	Warning
RTECS	VZ4050000
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
Categories of danger	irritant

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

Specifications
Assay (acidimetric; calculated on dried substance)	≥ 99.9 %
Chloride (Cl)	≤ 0.002 %
Phosphate (PO₄)	≤ 0.001 %
Silicate (as SiO₂)	≤ 0.002 %
Total sulfur (as SO₄)	≤ 0.005 %
Total nitrogen (N)	≤ 0.001 %
Heavy metals (as Pb)	≤ 0.0005 %
Al (Aluminium)	≤ 0.001 %
Ca (Calcium)	≤ 0.005 %
Fe (Iron)	≤ 0.0005 %
K (Potassium)	≤ 0.01 %
Mg (Magnesium)	≤ 0.0005 %
Loss on drying (300 °C)	≤ 1.0 %
Corresponds to ISO