| Specifications | |
|---|---|
| Assay (perchloric acid titration) | ≥ 99 |
| Identity (IR-spectrum) | conforms |
| pH-value (5 %, in water) | 9.5 - 11.0 |
| Melting point | 90 - 92 |
| UV/VIS Spectrum | conforms |
| Fe (Iron) | ≤ 0.001 % |
| Sulfated ash | ≤ 0.1 |
| Water (according to Karl Fischer) | ≤ 0.2 |
| Corresponts to ACS | |
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Register
Key Spec Table
| Empirical Formula | CAS # |
|---|---|
| C₃H₄N₂ | 288-32-4 |
| Description | |
|---|---|
| Catalogue Number | 104716 |
| Synonyms | Glyoxaline, Iminazole |
| Product Information | |
|---|---|
| CAS number | 288-32-4 |
| EC index number | 613-319-00-0 |
| EC number | 206-019-2 |
| Grade | ACS |
| Hill Formula | C₃H₄N₂ |
| Molar Mass | 68.08 g/mol |
| HS Code | 2933 29 90 |
| Structure formula Image | |
| Applications | |
|---|---|
| Application | Imidazole buffer substance ACS. CAS 288-32-4, pH 10.5 (67 g/l, H₂O, 20 °C). MSDS and product info below. |
| Physicochemical Information | |
|---|---|
| Boiling point | 256 °C (1013 hPa) |
| Density | 1.233 g/cm3 (20 °C) |
| Flash point | 145 °C |
| Ignition temperature | 480 °C |
| Melting Point | 90 °C |
| pH value | 10.5 (67 g/l, H₂O, 20 °C) |
| Vapor pressure | 0.003 hPa (20 °C) |
| Bulk density | 500 - 600 kg/m3 |
| Solubility | 633 g/l |
| Toxicological Information | |
|---|---|
| LD 50 oral | LD50 Rat 970 mg/kg |
| Safety Information according to GHS | |
|---|---|
| Hazard Pictogram(s) |    |
| Hazard Statement(s) | H360D: May damage the unborn child. H302: Harmful if swallowed. H314: Causes severe skin burns and eye damage. |
| Precautionary Statement(s) | P201: Obtain special instructions before use. 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. P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician. |
| RTECS | NI3325000 |
| Storage class | 6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects |
| WGK | WGK 2 water endangering |
| Disposal | 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
| Safety Information | |
|---|---|
| Hazard Symbols |  Corrosive Toxic |
| Categories of danger | toxic for reproduction, harmful, corrosive |
| R Phrase | R 61-22-34 May cause harm to the unborn child.Also harmful if swallowed.Causes burns. |
| S Phrase | S 22-26-36/37/39-45 Do not breathe dust.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 accident or if you feel unwell, seek medical advice immediately (show the label where possible). |
| Storage and Shipping Information | |
|---|---|
| Storage | Store at +15°C to +25°C. |
| Transport Information | |
|---|---|
| Declaration (railroad and road) ADR, RID | UN 3263 , 8, III |
| Declaration (transport by air) IATA-DGR | UN 3263 , 8, III |
| Declaration (transport by sea) IMDG-Code | UN 3263 , 8, III, Segregation Group: 18 (Alkalis) |
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