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| LC4908 Potassium tert-butylate for synthesis |
| Order number | Packaging | Quantity | Price € |
| AC31908 | Glass bottle | 100 g | 18.23 |
| AC31908 | Glass bottle | 250 g | 39.15 |
| Product information | |
| Hill Formula | C4H9KO |
| Chemical formula | (CH3)3COK |
| HS Code | 2905 19 00 |
| EC number | 212-740-3 |
| Molar mass | 112.21 g/mol |
| CAS number | 865-47-4 |
| Chemical and physical data | |
| Ignition temperature | 360 °C |
| Solubility | (20 °C) (decomposition),Hydrolysis |
| Melting point | 256 – 258 °C |
| Molar mass | 112.21 g/mol |
| Bulk density | 500 kg/m3 |
| pH value | ca.13 (5 g/l, H2O, 20 °C) Hydrolysis |
| Boiling point | 220 °C (1 hPa) (sublimed) |
| Vapor pressure | 0.07 hPa (180 °C) |
| Explosion limit | 2.4 – 8.0 %(V) |
| Safety information according to GHS | |
| Hazard Statement(s) | H260: In contact with water releases flammable gases which may ignite spontaneously. H290: May be corrosive to metals. H302: Harmful if swallowed. H314: Causes severe skin burns and eye damage. EUH014: Reacts violently with water. |
| Precautionary Statement(s) | P280: Wear protective gloves/protective clothing/eye protection/face protection. P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P402 + P404: Store in a dry place. Store in a closed container. |
| Signal Word | Danger |
| Hazard Pictogram(s) |    |
| Storage class | Flammable solids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 13 Bases and alcoholates should be diluted if necessary by carefully stirring them into water and then neutralized (protective gloves, fume cupboard!) with hydrochloric acid (Cat. No. 100312). Before placing in container D, check the pH with pH universal indicator strips (Cat. No. 109535). |
| Safety information | |
| R Phrase | R 11-14-22-35 Highly flammable.Reacts violently with water.Harmful if swallowed.Causes severe burns. |
| S Phrase | S 16-26-36/37/39-43-45 Keep away from sources of ignition – No smoking.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of fire, use powder extinguisher. Never use water.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). |
| Categories of danger | highly flammable, harmful, corrosive |
| Hazard Symbol |
|
Flammable
Corrosive
| Transport information | |
| Declaration (transport by sea) IMDG-Code | UN 3096 CORROSIVE SOLID, WATER-REACTIVE, N.O.S.(POTASSIUM-TERT-BUTYLATE), 8 (4.3), I, Segregation Group: 18 (Alkalis) |
| Declaration (transport by air) IATA-DGR | UN 3096 CORROSIVE SOLID, WATER-REACTIVE, N.O.S.(POTASSIUM-TERT-BUTYLATE), 8 (4.3), I |
| Toxicological data | |
| LD 50 oral | LD50 rat 690 mg/kg |
| Specifications | |
| Assay (acidimetric) | ≥ 98 % |
| Free KOH | ≤ 1 % |
| Identity (IR) | passes test |
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