MERCK 100160.9050 BORIC ACID CRYST. EMPROVE PH EUR,BP,N CAS No.10043-35-3
| Description |
|---|
| Catalogue Number | 100160 |
| 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,JP,NF |
| Hill Formula | BH₃O₃ |
| Chemical formula | H₃BO₃ |
| Molar Mass | 61.83 g/mol |
| HS Code | 2810 00 90 |
| Quality Level | MQ500 |
| Physicochemical Information |
|---|
| Density | 1.48 g/cm3 (23 °C) |
| Melting Point | >1000 °C (decomposition) |
| pH value | 5.1 (1.8 g/l, H₂O, 25 °C) |
| Vapor pressure | 2000 mg/kg |
| Safety Information according to GHS |
|---|
| Hazard Pictogram(s) | |
| Hazard Statement(s) | H360FD: May damage fertility. May damage the unborn child. |
| Precautionary Statement(s) | P201: Obtain special instructions before use.P202: Do not handle until all safety precautions have been read and understood.P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.P308 + P313: IF exposed or concerned: Get medical advice/ attention.P405: Store locked up.P501: Dispose of contents/ container to an approved waste disposal plant. |
| Signal Word | Danger |
| RTECS | ED4550000 |
| Storage class | 6.1D Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects |
| WGK | WGK 1 slightly hazardous to water |
| Disposal | 28Aqueous solutions: Container D. |
| Safety Information |
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| Categories of danger | toxic for reproduction |
| Storage and Shipping Information |
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| Storage | Store at +2°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) | ≤ 0.0010 % |
| As (Arsenic) (*) | ≤ 0.0003 |
| 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,JP,NF |
