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

Applications
Application	Sodium carbonate anhydrous for analysis EMSURE® ISO. CAS No. 497-19-8, EC Number 207-838-8.

Physicochemical Information
Density	2.53 g/cm3 (20 °C)
Melting Point	854 °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)	P260: Do not breathe dust. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word	Warning
RTECS	VZ4050000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly water endangering
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
Hazard Symbols	Irritant
Categories of danger	irritant
R Phrase	R 36 Irritating to eyes.
S Phrase	S 22-26 Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

Storage and Shipping Information
Storage	Store at +5°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

Taksit Seçenekleri

Önerileriniz

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Bu ürüne benzer farklı alternatifler olmalı.

MERCK 106392 Sodium carbonate anhydrous for analysis EMSURE® ISO. CAS No. 497-19-8, EC Number 207-838-8

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