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MERCK

MERCK 105073.1000 di-Potassium Oxalate Monohydrate for Analysis EMSURE® ACS CAS No.6487-48-5 (SD.M.105073.1000)

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MERCK 105073.1000 di-Potassium Oxalate Monohydrate for Analysis EMSURE® ACS CAS No.6487-48-5

 
Description
Catalogue Number 105073
Synonyms Oxalic acid dipotassium salt monohydrate
Description di-Potassium oxalate monohydrate
Product Information
CAS number 6487-48-5
EC index number 607-007-00-3
EC number 209-506-8
Grade ACS
Hill Formula C₂K₂O₄ * H₂O
Chemical formula K₂C₂O₄ * H₂O
Molar Mass 184.24 g/mol
HS Code 2917 11 10
Structure formula Image Structure formula Image
Quality Level MQ300
Physicochemical Information
Density 2.20 g/cm3 (20.4 °C)
Melting Point >138 °C Not applicable,(decomposition)
pH value 7.0 - 8.5 (50 g/l, H₂O, 25 °C)
Vapor pressure <0.1 hPa (20 °C)
Bulk density 700 - 1100 kg/m3
Solubility 392 g/l (anhydrous substance)
Toxicological Information
LD 50 oral LD50 Rat 660 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Statement(s) H302 + H312: Harmful if swallowed or in contact with skin.
H319: Causes serious eye irritation.
Precautionary Statement(s) P264: Wash skin thoroughly after handling.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P302 + P352 + P312: IF ON SKIN: Wash with plenty of water. Call a POISON CENTER/doctor if you feel unwell.
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
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Safety Information
Categories of danger harmful
Storage and Shipping Information
Storage Store at +2°C to +30°C.
Specifications
Assay (oxidimetric) 99.5 - 101.0 %
Insoluble matter ≤ 0.01 %
Neutrality passes test
Chloride (Cl) ≤ 0.001 %
Sulfate (SO₄) ≤ 0.01 %
Heavy metals (as Pb) ≤ 0.001 %
NH₄ (Ammonium) ≤ 0.002 %
Fe (Iron) ≤ 0.0005 %
Na (Sodium) ≤ 0.02 %
Substances darkened by hot sulfric acid passes test
Corresponds to ACS
Global Trade Item Number
Catalogue Number GTIN
1050730250 04022536060453
1050731000 04022536060460
Etiketler
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