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 |
| 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 |
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| 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 |
