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LC3054 Isobutyric anhydridefor synthesis |
| Order number | Packaging | Quantity | Price € |
| AC30054 | Glass bottle | 100 ml | 11.88 |
| AC30054 | Glass bottle | 500 ml | 20.25 |
| Product information | |
| Synonyms | Bis(2-methylpropionic acid) anhydride, 2-Methylpropionic anhydride |
| Hill Formula | C8H14O3 |
| Chemical formula | [(CH3)2CHCO]2O |
| HS Code | 2915 90 00 |
| EC number | 202-603-6 |
| Molar mass | 158.2 g/mol |
| CAS number | 97-72-3 |
| Chemical and physical data | |
| Ignition temperature | 375 °C |
| Solubility | (20 °C) Hydrolysis |
| Melting point | -69 °C |
| Molar mass | 158.2 g/mol |
| Density | 0.95 g/cm3 (20 °C) |
| Boiling point | 183 – 187 °C |
| Vapor pressure | 5 hPa (50 °C) |
| Explosion limit | 1 – 6.2 %(V) |
| Flash point | 66 °C |
| Safety information according to GHS | |
| Hazard Statement(s) | H301 + H311: Toxic if swallowed or in contact with skin. H314: Causes severe skin burns and eye damage. |
| Precautionary Statement(s) | P260: Do not breathe vapour. P280: Wear protective gloves/protective clothing/eye protection/face protection. P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
| Signal Word | Danger |
| Hazard Pictogram(s) |   |
| Storage class | 8 A Combustible substances, corrosive |
| WGK | WGK 1 slightly 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. |
| Safety information | |
| R Phrase | R 21/22-34 Harmful in contact with skin and if swallowed.Causes burns. |
| S Phrase | S 23-26-36/37/39-45 Do not breathe vapour.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). |
| Categories of danger | harmful, corrosive |
| Hazard Symbol |  Corrosive |
| Transport information | |
| Declaration (transport by sea) IMDG-Code | UN 2922 CORROSIVE LIQUID, TOXIC, N.O.S.(ISOBUTYRIC ANHYDRIDE), 8 (6.1), III |
| Declaration (transport by air) IATA-DGR | UN 2922 CORROSIVE LIQUID, TOXIC, N.O.S.(ISOBUTYRIC ANHYDRIDE), 8 (6.1), III |
| Toxicological data | |
| LD 50 oral | LD50 rat 266 mg/kg |
| LD 50 dermal | LD50 rabbit 475 mg/kg |
| Specifications | |
| Assay (GC, area%) | ≥ 97 % |
| Density (d 20 °C/ 4 °C) | 0.950 – 0.953 |
| Identity (IR) | passes test |
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