sec-Butyl acetate
- 1-Methylpropyl acetate
- 2-Acetoxybutane
- DL-sec-Butyl acetate
- Acetic acid, 1-methylpropyl ester
sec-Butyl acetate | |
| |
| Formula | CH3COOCH(CH3)CH2CH3 |
| Structure | |
| Description | Colorless liquid. Has fruity odor characteristic of acetate esters. |
| Uses | Solvent for nitrocellulose lacquers, thinners, nail enamels, leather finishes. |
| Registry Numbers and Inventories. | |
| CAS | 105-46-4 |
| EC (EINECS/ELINCS) | 203-300-1 |
| EC Index Number | 607-026-00-7 |
| EC Class | Highly flammable; Repeated exposure may cause skin dryness or cracking |
| EC Risk Phrase | R 11 66 |
| EC Safety Phrase | S 16 23 25 29 33 |
| RTECS | AF7380000 |
| RTECS class | Other |
| UN (DOT) | 1123 |
| Merck | 13,1535 |
| Beilstein/Gmelin | 1720689 |
| Beilstein Reference | 4-02-00-00148 |
| Swiss Giftliste 1 | G-3313 |
| Canada DSL/NDSL | DSL |
| US TSCA | Listed |
| New Zealand | Listed |
| Japan ENCS (MITI) | Listed |
| Korea ECL | Listed |
| Properties. | |
| Formula | C6H12O2 |
| Formula mass | 116.16 |
| Melting point, °C | -98.9 |
| Boiling point, °C | 112 |
| Vapor pressure, mmHg | 21.6 (25 C) |
| Vapor density (air=1) | 4.0 |
| Critical temperature | 288 |
| Critical pressure | 32 |
| Density | 0.892 g/cm3 (0 C) |
| Solubility in water | Slightly soluble |
| Viscosity | 0.60 cp (25 C) |
| Surface tension | 24.46 g/s2 (13 C) |
| Refractive index | 1.3875 (20 C) |
| Partition coefficient, pKow | 1.72 |
| Heat of vaporization | 35.1 kJ/mol |
| Heat of combustion | -3538 kJ/mol |
| Hazards and Protection. | |
| Storage | Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Flammables-area. |
| WHMIS | B2 |
| Handling | Wash thoroughly after handling. Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Avoid contact with heat, sparks and flame. Use only in a chemical fume hood. 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 | 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. Wash area with soap and water. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation. |
| Stability | Stable under normal temperatures and pressures. |
| Incompatibilities | Oxidizing agents, strong acids, strong bases, amines, nitrates. |
| Decomposition | Carbon monoxide, carbon dioxide, acrid smoke and fumes. |
| Fire. | ||||
| Flash Point,°C | 16 | |||
| Autoignition, °C | 422 | |||
| Upper exp. limit, % | 7.6 | |||
| Lower exp. limit, % | 1.7 | |||
| 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. Extinguishing media: Use foam, dry chemical, or carbon dioxide. Water may be ineffective. | |||
| Fire potential | Flammable liquid and vapor. | |||
| Hazards | Flashback along vapor trail may occur. | |||
| Combustion products | Toxic vapors and gases (such as carbon monoxide) may be released in a fire involving sec-butyl acetate. | |||
| NFPA | Health | 1 | ||
| Flammability | 3 | |||
| Reactivity | 0 | |||
| Health. | |
| Exposure limit(s) | TLV (as TWA): 200 ppm; 950 mg/m3 (ACGIH 1995-1996). OSHA PEL: TWA 200 ppm (950 mg/m3) NIOSH REL: TWA 200 ppm (950 mg/m3) NIOSH IDLH: 1700 ppm LEL |
| Poison_Class | 5 |
| Exposure effects | Chronic inhalation may cause effects similar to those of acute inhalation. |
| Ingestion | May cause irritation of the digestive tract. |
| Inhalation | Causes respiratory tract irritation. Exposure produces central nervous system depression. Vapor or mist is irritating to the mucous membranes and upper respiratory tract. |
| Skin | Causes skin irritation. Prolonged and/or repeated contact may cause irritation and/or dermatitis. |
| Eyes | Vapors cause eye irritation. |
First aid |
|
| Ingestion | Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. |
| Inhalation | Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. |
| Skin | Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. |
| Eyes | Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. |
| Transport. | ||
| UN number | 1123 | |
| Response guide | 129 | |
| Hazard class | 3 | |
| Packing Group | II; III | |
| USCG CHRIS Code | BTA | |
| USCG Compatatibility Group | 34 Esters | |
| IMO Chemical Code | 17 | |
| IMO Pollution Category | C | |
| IMO Hazard code | P | |