Butyl lactate
- Butyl ester of 2-hydroxypropanoic acid
Butyl lactate | |
| |
| Formula | C7H14O3 |
| Structure | |
| Description | A clear colorless liquid with a mild odor. |
| Uses | Food and feed additive. |
| Registry Numbers and Inventories. | |
| CAS | 138-22-7 |
| EC (EINECS/ELINCS) | 205-316-4 |
| RTECS | OD4025000 |
| RTECS class | Primary Irritant |
| UN (DOT) | 1993 |
| Beilstein/Gmelin | 1721597 |
| Beilstein Reference | 4-03-00-00649 |
| Swiss Giftliste 1 | G-1336 |
| Canada DSL/NDSL | DSL |
| US TSCA | Listed |
| Austrailia AICS | Listed |
| New Zealand | Listed |
| Japan ENCS (MITI) | Listed |
| Korea ECL | Listed |
| Properties. | |
| Formula | C7H14O3 |
| Formula mass | 146.21 |
| Melting point, °C | -28 |
| Boiling point, °C | 170 |
| Vapor pressure, mmHg | 5 (30 C) |
| Vapor density (air=1) | 5.04 |
| Density | 0.9832 g/cm3 (20 C) |
| Solubility in water | Slightly soluble |
| Viscosity | 3.58 cp (20 C) |
| Surface tension | 28.8 g/s2 (20 C) |
| Refractive index | 1.4215 (20 C) |
| Hazards and Protection. | |
| Storage | Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. |
| Handling | Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. |
| 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 | Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions. Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. |
| Small spills/leaks | Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Clean up spills immediately, using the appropriate protective equipment. Remove all sources of ignition. Provide ventilation. |
| Stability | Stable under normal temperatures and pressures. |
| Incompatibilities | Strong bases, strong oxidizing agents. |
| Decomposition | Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. |
| Fire. | ||||
| Flash Point,°C | 69 | |||
| Autoignition, °C | 340 | |||
| Lower exp. limit, % | 1.15 | |||
| Fire fighting | Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use water spray to keep fire-exposed containers cool. Combustible Liquid. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use water spray to cool fire-exposed containers. | |||
| Fire potential | This material is combustible. | |||
| Hazards | Extinguish with dry chemical, CO2, or alcohol foam. Use water spray to knock down vapors and cool exposed containers. | |||
| Combustion products | Fire may produce irritating, corrosive and/or toxic gases. | |||
| NFPA | Health | 1 | ||
| Flammability | 2 | |||
| Reactivity | 0 | |||
| Health. | |
| Exposure limit(s) | NIOSH REL: TWA 5 ppm (25 mg/m3) |
| Poison_Class | 5 |
| Exposure effects | The toxological properties of this substance have not been fully investigated. |
| Ingestion | Causes gastrointestinal tract irritation. |
| Inhalation | Causes respiratory tract irritation. |
| Skin | Causes skin irritation. |
| Eyes | Causes eye irritation. |
First aid |
|
| Ingestion | Never give anything by mouth to an unconscious person. 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. |
| Skin | Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. |
| Eyes | Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. If irritation develops, get medical aid. |
| Transport. | ||
| UN number | 1993 | |
| Response guide | 128 | |
| Hazard class | 3 | |
| Packing Group | I; II; III | |
| USCG CHRIS Code | BLE | |
| USCG Compatatibility Group | 34. Esters | |
| Std. Transport # | 4913131 | |