A7725212
Tert- butyl alcohol , AR,≥99.0% , 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 |