Dibutyl phosphate
- Dibutyl acid o-phosphate
- di-n-Butyl hydrogen phsophate
- Dibutyl phosphoric acid
- Dibutyl hydrogen phosphate
Dibutyl phosphate | |
| |
| Formula | C8H19O4P |
| Structure | |
| Description | Pale amber liquid. Odorless. |
| Uses | Org catalyst & antifoaming agent. |
| Registry Numbers and Inventories. | |
| CAS | 107-66-4 |
| EC (EINECS/ELINCS) | 203-509-8 |
| RTECS | TB9605000 |
| RTECS class | Other |
| UN (DOT) | 1718 |
| Beilstein/Gmelin | 607224 |
| Beilstein Reference | 4-01-00-01530 |
| Swiss Giftliste 1 | G-3576 |
| Canada DSL/NDSL | DSL |
| US TSCA | Listed |
| Austrailia AICS | Listed |
| New Zealand | Listed |
| Japan ENCS (MITI) | Listed |
| Korea ECL | Listed |
| Properties. | |
| Formula | C8H19O4P |
| Formula mass | 210.24 |
| Melting point, °C | -12.7 |
| Boiling point, °C | 100 |
| Vapor pressure, mmHg | <1 |
| Vapor density (air=1) | 7.25 |
| Density | 1.116 g/cm3 (18 C) |
| Solubility in water | 18 g/L |
| Refractive index | 1.4285 (18 C) |
| Hazards and Protection. | |
| Storage | Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area. |
| Handling | Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Discard contaminated shoes. |
| Protection | Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. |
| Respirators | A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use. |
| Small spills/leaks | Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Remove all sources of ignition. Provide ventilation. |
| Stability | Stable under normal temperatures and pressures. |
| Incompatibilities | Oxidizing agents. |
| Decomposition | Carbon monoxide, oxides of phosphorus, irritating and toxic fumes and gases, carbon dioxide. |
| Fire. | ||||
| Flash Point,°C | 188 | |||
| Autoignition, °C | 420 | |||
| Fire fighting | Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Containers may explode when heated. Extinguishing media: Use agent most appropriate to extinguish fire. Cool containers with flooding quantities of water until well after fire is out. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam. | |||
| Fire potential | Combustible material: may burn but does not ignite readily. | |||
| Hazards | When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards. | |||
| Combustion products | Fire may produce irritating, corrosive and/or toxic gases. | |||
| NFPA | Health | 3 | ||
| Flammability | 1 | |||
| Reactivity | 0 | |||
| Health. | |
| Exposure limit(s) | TLV: 1 ppm; 8.6 mg/m3 (as TWA); 2 ppm; 17 mg/m3 (STEL) (ACGIH 1997). |
| Poison_Class | 2 |
| Exposure effects | Effects may be delayed. |
| Ingestion | May cause severe and permanent damage to the digestive tract. Causes gastrointestinal tract burns. May cause perforation of the digestive tract. The toxicological properties of this substance have not been fully investigated. May cause systemic effects. |
| Inhalation | Causes chemical burns to the respiratory tract. The toxicological properties of this substance have not been fully investigated. Aspiration may lead to pulmonary edema. May cause systemic effects. |
| Skin | Causes skin burns. May cause skin rash (in milder cases), and cold and clammy skin with cyanosis or pale color. |
| Eyes | Causes eye burns. May cause chemical conjunctivitis and corneal damage. |
First aid |
|
| Ingestion | Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. |
| Inhalation | Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. DO NOT use mouth-to-mouth respiration. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask. |
| Skin | Get medical aid. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Destroy contaminated shoes. |
| Eyes | Get medical aid. Do NOT allow victim to rub or keep eyes closed. Extensive irrigation is required (at least 30 minutes). |
| Transport. | ||
| UN number | 1718 | |
| Response guide | 153 | |
| Hazard class | 8 | |
| Packing Group | III | |
| USCG CHRIS Code | DHD | |
| USCG Compatatibility Group | 34 Esters | |
| IMO Pollution Category | B | |
| IMO Hazard code | P | |