سدیم سولفات خشک 106637 مرک

Description
Catalogue Number	106637

Product Information
CAS number	7757-82-6
EC number	231-820-9
Grade	ACS
Hill Formula	Na₂O₄S
Chemical formula	Na₂SO₄
Molar Mass	142.04 g/mol
HS Code	2833 11 00

Applications
Application	Sodium sulfate anhydrous, coarse granules for analysis 0.63 - 2.0 mm EMSURE® ACS. CAS No. 7757-82-6, EC Number 231-820-9.

Physicochemical Information
Density	2.70 g/cm3 (20 °C)
Melting Point	888 °C
pH value	5.2 - 8.0 (50 g/l, H₂O, 20 °C)
Bulk density	1400 - 1600 kg/m3
Solubility	200 g/l

Toxicological Information
LD 50 oral	LD50 Rat > 2000 mg/kg

Safety Information according to GHS
RTECS	WE1650000
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).

Storage and Shipping Information
Storage	Store at +5°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)	≥ 99.0 %
Identity	passes test
Insoluble matter	≤ 0.01 %
pH-value (5 %; water)	5.2 - 9.2
Chloride (Cl)	≤ 0.001 %
Phosphate (PO₄)	≤ 0.001 %
Total nitrogen (N)	≤ 0.0005 %
Heavy metals (as Pb)	≤ 0.0005 %
As (Arsenic)	≤ 0.0001 %
Ca (Calcium)	≤ 0.01 %
Fe (Iron)	≤ 0.0005 %
K (Potassium)	≤ 0.002 %
Mg (Magnesium)	≤ 0.001 %
Loss on ignition (800 °C)	≤ 0.5 %
Particle size (250-2000 µm)	≥ 85 %
Corresponds to ACS