Merck 106513 2500 Sodium Thiosulfate Pentahydrate Pure 2,5 KG.

Merck 106513 2500 Sodium Thiosulfate Pentahydrate Pure 2,5 KG.

52.92 ( KDV Dahil )

pure CAS #: 10102-17-7 EC Number: 231-867-5.

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Description
Catalogue Number 106513
Synonyms Antichlor

Product Information
CAS number 10102-17-7
EC number 231-867-5
Hill Formula Na₂O₃S₂ * 5 H₂O
Molar Mass 248.18 g/mol
HS Code 2832 30 20
Quality Level MQ100

Physicochemical Information
Density 1.74 g/cm3 (20 °C)
Melting Point 48 °C
pH value 6.0 – 7.5 (100 g/l, H₂O, 20 °C)
Bulk density 1000 kg/m3
Solubility 701 g/l

Toxicological Information
LD 50 oral LD50 Rat > 5000 mg/kg

Safety Information according to GHS
RTECS WE6660000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
Disposal 28
Aqueous solutions: Container D.

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

Specifications
Assay (iodometric) ≥ 98.5 %
Identity passes test
pH-value (10 %; water) 6.0 – 9.0
Sulfate and sulfite (as SO₄) ≤ 0.6 %
Ca (Calcium) and Mg (Magnesium) ≤ 0.2 %
Fe (Iron) ≤ 0.005 %
Water 32.0 – 38.0 %
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