Tert-Butyl Acetate
Basic information:
National standard number: 32130 CAS RN: 540-88-5
Product name:Tert-Butyl acetate Alias: Acetic acid tert-butyl ester; Acetic acid tert-butyl ester
Molecular formula: C6H12O2 Structural formula:
Molecular weight: 116.16 EINECS No.: 208-760-7
RTECS No.: AF7400000 HS code: 2915390090
Danger label: 7
Quality index:
Item | Index | Picture |
First grade | Second grade |
Appearance | Colorless transparent liquid |
|
Molecular formula | C6H12O2 |
Density | 0.861~0.865 |
Visual inspection≤ | 10 |
Tert-Butyl acetate content | 0.995 | 0.99 |
Acidity (as acetic acid)≤ | 0.0005 | 0.0005 |
Moisture≤ | 0.0005 | 0.0005 |
Hydrocarbons≤ | 0.002 | 0.005 |
Alcohols≤ | 0.002 | 0.004 |
Evaporation residue≤ | 0.00002 |
Physical and chemical properties:
Autoignition temperature | 518℃ | Boiling point | 98℃ |
Flash point | 4.4℃(closed cup) | Freezing point | –62℃ |
Solubility in water | 0.3% 20°C | Viscosity | <1( 20℃) |
Surface tension | 22.4(Dynes/cm 20℃) | Dielectric constant | 1.97(DIC 20℃, cyclohexane) |
Relative vapor pressure (air=1) | 4 | Evaporation rate | 2.8 |
Critical pressure | 3.17MPa | Saturated vapor pressure | 6.3MPa(25℃) |
Upper explosive limit | 6.88vol% | Lower explosive limit | 1.26vol% |
PH value | 6~7 | Solubility parameter | 7.7 |
Resistance | 23.8 | Maximum incremental response | 0.20g ozone/gtert-Butyl acetate |
Odor threshold | 71ppb | Refractive index | n20/D1.386(lit) |
Odor | Fruity odor | Stability | Stable |
Performances:
1. It can greatly improve compatibility of solvents such as nitrocellulose, acrylic resin, alkyd resin, polyester resin, and polyurethane resin, and etc.
2. It has synergistic effect with other solvents as oxygen-containing solvent.
3. As environmentally-friendly solvent, it can greatly reduce atmospheric photochemical reactivity, volatility at normal temperature, and content of harmful pollutants in the air.
Application:
(1) Coating, ink, paint, and adhesive:
tert-Butyl acetateIt can take the place of VOC and HAP solvents in decoration, industrial coating, and in the formula of ink, pressure-sensitive adhesive, and adhesive.
It can take the place of toluene and other solvents in epoxy polyamide coating for excellent amine resistance.
(2) Pharmaceutical intermediate:
tert-Butyl acetate can be used in polypeptide synthesis, varespladib, atorvastatin intermediate, rosuvastatin intermediate, pitavastatin intermediate, and etc.
(3)Industrial cleaning agent:
It can be used in metal degreasing and other special equipment, such as aviation, aerospace, fine machinery, and etc.
(4)Electronic industry:
It can be used in semiconductor processing, in cleaning circuit board, removing oil and flux.
(5)Other:
Agricultural products; textile; gasoline shockproof additive; fuel, and etc.