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| LC5017 Silicon tetraisocyanate for synthesis |
| Order number | Packaging | Quantity | Price € |
| AC32017 | Glass bottle | 5 g | 76.95 |
| AC32017 | Glass bottle | 10 g | 122.4 |
| Product information | |
| Hill Formula | C4N4O4Si |
| Chemical formula | Si(NCO)4 |
| HS Code | 2842 90 80 |
| EC number | 222-297-8 |
| Molar mass | 196.15 g/mol |
| Storage | Store below +15°C. |
| CAS number | 3410-77-3 |
| Chemical and physical data | |
| Solubility | (20 °C) (decomposition) |
| Melting point | 25 – 28 °C |
| Molar mass | 196.15 g/mol |
| Density | 1.43 g/cm3 (20 °C) |
| Boiling point | 186 °C (1013 hPa) |
| Flash point | 50 °C |
| Safety information | |
| R Phrase | R 14-26-36/37/38-42 Reacts violently with water.Very toxic by inhalation.Irritating to eyes, respiratory system and skin.May cause sensitization by inhalation. |
| S Phrase | S 23-26-28-37-45 Do not breathe vapour.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.After contact with skin, wash immediately with plenty of water.Wear suitable gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). |
| Categories of danger | very toxic, irritant, sensitizing |
| Hazard Symbol |  Very toxic |
| Storage class | Combustible substances, toxic |
| WGK | WGK 3 highly water endangering |
| Disposal | 11 Organic acid halides, anhydrides and isocyanates can be added dropwise to an excess of methanol (Cat. No. 822283) to convert them into the corresponding methyl esters or methyl carbamates. If necessary, neutralize with sodium hydroxide solution (Cat. No. 105587). Fill into container A. |
| Transport information | |
| Declaration (transport by sea) IMDG-Code | UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(SILICIUMTETRAISOCYANATE), 6.1, II |
| Declaration (transport by air) IATA-DGR | UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(SILICIUMTETRAISOCYANATE), 6.1, II |
| Specifications | |
| Assay (ex Si) | ≥ 98 % |
| Melting range – lower value |
≥ 25 °C |
| – upper value | ≤ 28 °C |
| Identity (IR) | passes test |
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