| Description | |
|---|---|
| Catalogue Number | 807066 |
| Synonyms | Oxalic acid dichloride |
| Description | Oxalyl chloride |
| Product Information | |
|---|---|
| CAS number | 79-37-8 |
| EC number | 201-200-2 |
| Hill Formula | C₂Cl₂O₂ |
| Chemical formula | ClCOCOCl |
| Molar Mass | 126.92 g/mol |
| HS Code | 2917 19 80 |
| Structure formula Image |  |
| Applications | |
|---|---|
| Application | Oxalyl chloride for synthesis. CAS 79-37-8, EC Number 201-200-2, chemical formula ClCOCOCl. |
| Physicochemical Information | |
|---|---|
| Boiling point | 63 - 64 °C (1013 hPa) |
| Density | 1.48 g/cm3 (20 °C) |
| Flash point | >100 °C |
| Melting Point | -12 °C |
| Vapor pressure | 200 hPa (20 °C) |
| Safety Information according to GHS | |
|---|---|
| Hazard Pictogram(s) | |
| Hazard Statement(s) | H260: In contact with water releases flammable gases which may ignite spontaneously. H314: Causes severe skin burns and eye damage. H331: Toxic if inhaled. H335: May cause respiratory irritation. EUH014: Reacts violently with water. EUH029: Contact with water liberates toxic gas. |
| Precautionary Statement(s) | P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. 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. P402 + P404: Store in a dry place. Store in a closed container. |
| Signal Word | Danger |
| RTECS | KI2950000 |
| Storage class | 4.3 Hazardous materials, which set free flammable gases upon contact with water |
| 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 | |
|---|---|
| Hazard Symbols | ToxicFlammable |
| Categories of danger | toxic, corrosive |
| R Phrase | R 14/15-23-29-34-37 Reacts violently with water, liberating extremely flammable gases.Toxic by inhalation.Contact with water liberates toxic gas.Causes burns.Irritating to respiratory system. |
| S Phrase | S 7/8-26-36/37/39-43-45 Keep container tightly closed and dry.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 metal-fire powder. Never use water.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). |
| Storage and Shipping Information | |
|---|---|
| Storage | Store below +30°C. |
| Transport Information | |
|---|---|
| Declaration (railroad and road) ADR, RID | UN 3129 , 4.3 (8), I |
| Declaration (transport by air) IATA-DGR | UN 3129 , 4.3 (8), I |
| Declaration (transport by sea) IMDG-Code | UN 3129 , 4.3 (8), I, Segregation Group: 1 (Acids) |
| Specifications | |
|---|---|
| Assay (argentometric) | ≥ 98.0 % |
| Identity (IR) | passes test |
| A slight precipitate of oxalic acid is normal and does not affect the specified quality of the product. | |