L(+)-Tartaric Acid 250Grm
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 100804.025
Stock: In Stock
Description
| Catalogue Number | 100804 |
| Replaces | TX0010-1; TX0010 |
| Synonyms | 2,3-Dihydroxybutanedioic acid |
| Description | L(+)-Tartaric acid |
Product Information
| CAS number | 87-69-4 |
| EC number | 201-766-0 |
| Grade | ACS,ISO,Reag. Ph Eur |
| Hill Formula | C₄H₆O₆ |
| Chemical formula | HOOCCH(OH)CH(OH)COOH |
| Molar Mass | 150.08 g/mol |
| HS Code | 2918 12 00 |
Physicochemical Information
| Density | 1.76 g/cm3 (20 °C) |
| Flash point | 210 °C |
| Ignition temperature | 425 °C |
| Melting Point | 168 - 170 °C |
| pH value | 1.6 (100 g/l, H₂O, 25 °C) |
| Vapor pressure | <5 Pa (20 °C) |
| Bulk density | 1000 kg/m3 |
| Solubility | 1390 g/l |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (alkalimetric) | ≥ 99.5 % |
| Assay (alkalimetric, calculated on dried substance) | 99.5 - 101.0 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Insoluble matter | ≤ 50 ppm |
| Spec. rotation [α²0/D (20 %; water calculated on dried substance) | 12.0 - 12.8 ° |
| Chloride (Cl) | ≤ 5 ppm |
| Phosphate (PO₄) | ≤ 10 ppm |
| Sulfate (SO₄) | ≤ 50 ppm |
| Heavy metals (as Pb) | ≤ 5 ppm |
| Total sulfur (as SO₄) | ≤ 20 ppm |
| Ca (Calcium) | ≤ 20 ppm |
| Cu (Copper) | ≤ 5 ppm |
| Fe (Iron) | ≤ 5 ppm |
| Pb (Lead) | ≤ 5 ppm |
| Oxalate (C₂O₄) | passes test |
| Oxalic acid | ≤ 350 ppm |
| Sulfated ash | ≤ 100 ppm |
| Loss on Drying (105°C) | ≤ 0.2 % |
| Corresponds to ACS,ISO,Reag. Ph Eur |
