کربنات سدیم 10آبه 106384 مرک

Description
Catalogue Number	106384
Synonyms	Soda, Sodium Carbonate decahydrate

Product Information
CAS number	6132-02-1
EC index number	011-005-00-2
EC number	207-838-8
Grade	Ph Eur,BP,E 500
Hill Formula	CNa₂O₃ * 10 H₂O
Chemical formula	Na₂CO₃ * 10 H₂O
Molar Mass	286.14 g/mol
HS Code	2836 20 00
Structure formula Image

Physicochemical Information
Density	1.44 g/cm3 (20 °C)
Melting Point	33 °C Elimination of water of crystallisation
pH value	11 - 12 (50 g/l, H₂O, 25 °C)
Bulk density	700 - 900 kg/m3
Solubility	210 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)	P280: Wear protective gloves/ protective clothing/ 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.
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 +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 (acidimetric, Na₂CO₃)	36.7 - 40.0 %
Assay (acidimetric; calculated on dried substance)	≥ 99.0 %
Identity	passes test
Appearance of solution	passes test
Alkali hydroxides and Alkali hydrogen carbonates	passes test
Chloride (Cl)	≤ 0.0050 %
Sulphate (SO₄)	≤ 0.0100 %
Heavy metals (as Pb)	≤ 0.0020 %
As (Arsenic)	≤ 0.0002 %
Cu (Copper)	≤ 0.0025 %
Fe (Iron)	≤ 0.0020 %
Hg (Mercury)	≤ 0.0001 %
Pb (Lead)	≤ 0.0002 %
Zn (Zinc)	≤ 0.0025 %
Residual solvents (ICH Q3C)	excluded by manufacturing process
Loss on drying (300 °C)	55.0 - 65.0 %
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,E 500 Conforms to the purity criteria on food additives according to the current European Commission Regulation.