A7725312
Tert- butyl alcohol , ACS,≥99.5%(GC) , 75-65-0
Synonym(s):
1-Butanol;TBA;tert-Butanol;Butyl alcohol;2-Methyl-2-propanol
CAS NO.：75-65-0
Empirical Formula: C4H10O
Molecular Weight: 74.12
MDL number: MFCD00004464
EINECS: 200-889-7
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 23-26 °C (lit.) |
| Boiling point: | 83 °C (lit.) |
| Density | 0.775 g/mL at 25 °C (lit.) |
| vapor density | 2.55 (vs air) |
| vapor pressure | 31 mm Hg ( 20 °C) |
| refractive index | n |
| Flash point: | 95 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | water: miscible |
| pka | 19(at 25℃) |
| form | Liquid After Melting |
| color | APHA: ≤20 |
| Relative polarity | 0.389 |
| Odor | Characteristic; camphor-like; pungent. |
| PH Range | 7 |
| Odor Threshold | 4.5ppm |
| explosive limit | 2.3-8.0%(V) |
| Water Solubility | soluble |
| λmax | λ: 215 nm Amax: 1.00 λ: 230 nm Amax: 0.50 λ: 250 nm Amax: 0.20 λ: 300-350 nm Amax: 0.01 |
| JECFA Number | 85 |
| Merck | 14,1542 |
| BRN | 906698 |
| Henry's Law Constant | 1.22 at 25 °C (static headspace-GC, Merk and Riederer, 1997) |
| Exposure limits | TLV-TWA 300 mg/m3 (100 ppm) (ACGIH);
IDLH 8000 ppm. |
| Dielectric constant | 7.8（19℃） |
| Stability: | Stable. Very flammable. Incompatible with strong oxidizing agents, copper, copper alloys, alkali metals, aluminium. |
| InChIKey | DKGAVHZHDRPRBM-UHFFFAOYSA-N |
| LogP | 0.350 |
| CAS DataBase Reference | 75-65-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Ethanol, 1,1-dimethyl-(75-65-0) |
| EPA Substance Registry System | tert-Butanol (75-65-0) |
Description and Uses
tert-Butanol can be used as a solvent (e.g., for paints, lacquers, and varnishes); as a denaturant for ethanol and several other alcohols; as an octane booster in gasoline; as a dehydrating agent; as a chemical intermediate in the manufacturing of methyl methacrylate; and in the manufacturing of flotation agents, fruit essences, and perfumes.
Safety
| Symbol(GHS) |   GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225-H319-H332-H335-H336 |
| Precautionary statements | P210-P233-P240-P241-P304+P340+P312-P305+P351+P338 |
| Hazard Codes | Xn,F,T |
| Risk Statements | 11-20-39/23/24/25-23/24/25-36/37 |
| Safety Statements | 9-16-45-36/37-7-46-26 |
| RIDADR | UN 1120 3/PG 3 |
| OEB | A |
| OEL | TWA: 100 ppm (300 mg/m3), STEL: 150 ppm (450 mg/m3) |
| WGK Germany | 1 |
| RTECS | EO1925000 |
| Autoignition Temperature | 896 °F |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29051410 |
| Hazardous Substances Data | 75-65-0(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 3.5 g/kg (Schaffarzick, Brown) |
| IDLA | 1,600 ppm |
