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MERCK

MERCK 100468.0500 L(+)-Ascorbic Acid for Analysis EMSURE® ACS,ISO,Reag. Ph Eur CAS No.50-81-7 (SD.M.100468.0500)

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MERCK 100468.0500 L(+)-Ascorbic Acid for Analysis EMSURE® ACS,ISO,Reag. Ph Eur CAS No.50-81-7

 
Description
Catalogue Number 100468
Product Information
CAS number 50-81-7
EC number 200-066-2
Grade ACS,Reag. Ph Eur
Hill Formula C₆H₈O₆
Molar Mass 176.12 g/mol
HS Code 2936 27 10
Structure formula Image Structure formula Image
Quality Level MQ300
Physicochemical Information
Density 1.65 g/cm3 (20 °C)
Ignition temperature 380 °C
Melting Point 193 °C (decomposition)
pH value 2.2 - 2.5 (50 g/l, H₂O, 20 °C)
Bulk density 500 - 900 kg/m3
Solubility 330 g/l
Toxicological Information
LD 50 oral LD50 Rat 11900 mg/kg
Safety Information according to GHS
RTECS CI7650000
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
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 (iodometric) 99.0 - 100.5 %
Identity (IR-spectrum) conforms
Appearance white or almost white, cristalline powder
Appearance of solution (50 g/l CO₂-free water) clear (≤ 3 NTU) and not so intense in colour than reference solution BY₇
pH (50 g/l CO₂-free water) 2.1 - 2.6
Spec. rotation [α²0/D (100 g/l, water) +20.5 - +21.5 °
Chloride (Cl) ≤ 50 ppm
Sulfate (SO₄) ≤ 20 ppm
Cu (Copper) ≤ 5 ppm
Fe (Iron) ≤ 2 ppm
Heavy metals (ACS) ≤ 10 ppm
Oxalic acid ≤ 0.2
Related substances (HPLC) (Impurity C) ≤ 0.15 %
Related substances (HPLC) (Impurity D) ≤ 0.15 %
Related substances (HPLC) (unspecified impurities singly) ≤ 0.10 %
Related substances (HPLC) (sum of impurities (except impurity C and D)) ≤ 0.2 %
Sulfated ash (600 °C) ≤ 0.05 %
Loss on Drying (105 °C) ≤ 0.1 %
Global Trade Item Number
Catalogue Number GTIN
1004680100 04027269294854
1004680500 04027269294861
1004681000 04027269294878
Etiketler
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