Boric Acid 25kg
powder, EMPROVE® ESSENTIAL Ph Eur,BP,NF
Manufacturer: Merck
Catalog ID: 100162.9025
Stock: In Stock
Description
| Catalogue Number | 100162 |
| Synonyms | Orthoboric acid, Trihydroxidoboron |
Product Information
| CAS number | 10043-35-3 |
| EC index number | 005-007-00-2 |
| EC number | 233-139-2 |
| Grade | Ph Eur,BP,NF |
| Hill Formula | BH₃O₃ |
| Chemical formula | H₃BO₃ |
| Molar Mass | 61.83 g/mol |
| HS Code | 2810 00 90 |
Physicochemical Information
| Density | 1.489 g/cm3 (23 °C) |
| pH value | 3.8 - 4.8 (33 g/l, H₂O, 20 °C) |
| Vapor pressure | <1 Pa (25 °C) |
| Bulk density | 400 - 600 kg/m3 |
| Solubility | 49.2 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 2660 mg/kg |
| LD 50 dermal | LD50 Rat > 2000 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (alkalimetric, calculated on dried substance) | 99.5 - 100.5 % |
| Assay (alkalimetric) | 99.0 - 100.5 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Completeness of solution | passes test |
| Solubility in ethanol | passes test |
| pH-value (3.3 %, water) | 3.8 - 4.8 |
| Sulfate (SO₄) | ≤ 0.04 % |
| Heavy metals (as Pb) | ≤ 0.0015 % |
| As (Arsenic) (*) | ≤ 0.001 |
| Organic impurities | passes test |
| Residual solvents (ICH Q3C) | excluded by manufacturing process |
| Loss on drying (Silica gel) | ≤ 0.5 % |
| Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*). | |
| Corresponds to Ph Eur,BP,NF |
