A1265312
2-Butanol , 99% , 78-92-2
Synonym(s):
sec-Butyl alcohol;2-Butanol;sec-Butyl alcohol
CAS NO.：78-92-2
Empirical Formula: C4H10O
Molecular Weight: 74.12
MDL number: MFCD00004569
EINECS: 201-158-5
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | −115 °C(lit.) |
| Boiling point: | 98 °C(lit.) |
| Density | 0.808 g/mL at 25 °C(lit.) |
| vapor density | 2.6 (vs air) |
| vapor pressure | 12.5 mm Hg ( 20 °C) |
| refractive index | n |
| Flash point: | 80 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | 125g/l |
| form | Liquid |
| pka | >14 (Schwarzenbach et al., 1993) |
| color | Colorless |
| Relative polarity | 0.506 |
| PH Range | 7 |
| Odor | Strong, pleasant. |
| Odor Threshold | 0.22ppm |
| explosive limit | 1.4-9.8%(V) |
| Odor Type | fruity |
| Water Solubility | 12.5 g/100 mL (20 ºc) |
| Sensitive | Hygroscopic |
| Merck | 14,1541 |
| BRN | 1718765 |
| Henry's Law Constant | 1.19 (static headspace-GC, Merk and Riederer, 1997) |
| Exposure limits | TLV-TWA 450 mg/m3 (150 ppm) (NIOSH),
305 mg/m3 (100 ppm) (ACGIH); IDLH
10,000 ppm. |
| Dielectric constant | 15.8（25℃） |
| Stability: | Stable. Flammable. Substances to be avoided include acids, acid chlorides, acid anhydrides, oxidizing agents and halogens. |
| InChIKey | BTANRVKWQNVYAZ-UHFFFAOYSA-N |
| LogP | 0.610 |
Description and Uses
Polishes, cleaning materials, paint removers, fruit essences, perfumes, and dyestuffs; synthesis of methyl ethyl ketone; lacquer solvent
Safety
| Symbol(GHS) |   GHS02,GHS07 |
| Signal word | Warning |
| Hazard statements | H226-H319-H335-H336 |
| Precautionary statements | P210-P233-P240-P241-P242-P305+P351+P338 |
| Hazard Codes | Xi |
| Risk Statements | 10-36/37-67 |
| Safety Statements | 13-24/25-26-46-7/9 |
| OEB | A |
| OEL | TWA: 100 ppm (305 mg/m3), STEL: 150 ppm (455 mg/m3) |
| RIDADR | UN 1120 3/PG 3 |
| WGK Germany | 1 |
| RTECS | EO1750000 |
| Autoignition Temperature | 761 °F |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29051490 |
| Toxicity | LD50 orally in Rabbit: 6480 mg/kg LD50 dermal Rat > 2000 mg/kg |
| IDLA | 2,000 ppm |
