n-Butylamine , ≥99.5%(GC) , 109-73-9
Synonym(s):
n-Butylamine;1-Aminobutane;Butylamine
CAS NO.：109-73-9
Empirical Formula: C4H11N
Molecular Weight: 73.14
MDL number: MFCD00011690
EINECS: 203-699-2
PRODUCT Properties
| Melting point: | −49 °C(lit.) |
| Boiling point: | 78 °C(lit.) |
| Density | 0.74 g/mL at 25 °C(lit.) |
| vapor density | 2.5 (vs air) |
| vapor pressure | 68 mm Hg ( 20 °C) |
| FEMA | 3130 | BUTYLAMINE |
| refractive index | n |
| Flash point: | 30 °F |
| storage temp. | Store below +30°C. |
| solubility | water: miscible |
| pka | 10.77(at 20℃) |
| form | Liquid |
| color | Clear |
| PH | 12.6 (100g/l, H2O, 20℃) |
| Odor | Fish-like; ammonia-like. |
| Odor Threshold | 0.17ppm |
| explosive limit | 1.5-9.8%(V) |
| Odor Type | ammoniacal |
| Water Solubility | MISCIBLE |
| Sensitive | Air Sensitive |
| JECFA Number | 1582 |
| Merck | 14,1543 |
| BRN | 605269 |
| Henry's Law Constant | 1.76 (thermodynamic method-GC/UV spectrophotometry, Altschuh et al., 1999) |
| Exposure limits | Ceiling 5 ppm (～15 mg/m3) (ACGIH,
MSHA, and OSHA); IDLH 2000 ppm
(NIOSH). |
| Dielectric constant | 4.9（20℃） |
| Stability: | Stable. Incompatible with oxidizing agents, aluminium, copper, copper alloys, acids. Highly flammable. |
| InChIKey | HQABUPZFAYXKJW-UHFFFAOYSA-N |
| LogP | 0 at 25℃ |
Description and Uses
n-Butylamine is one of the four isomeric amines of butane, the others being sec-butylamine, tert-butylamine, and isobutylamine. It is a colourless to yellow liquid and is highly flammable. It is stable and incompatible with oxidising agents, aluminium, copper, copper alloys, and acids. n-Butylamine finds its uses in the manufacture of pesticides (such as thiocarbazides), pharmaceuticals, and emulsifiers. It is also a precursor for the manufacture of N,N′-dibutylthiourea, a rubber vulcanisation accelerator, and n-butylbenzenesulphonamide, a plasticiser of nylon.
n-Butylamine is used as an intermediatefor various products, including dyestuffs,pharmaceuticals, rubber chemical, synthetictanning agents, and emulsifying agents. It isused for making isocyanates for coatings.
Safety
| Symbol(GHS) |    GHS02,GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H225-H290-H302-H311+H331-H314 |
| Precautionary statements | P210-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | F,C |
| Risk Statements | 11-20/21/22-35 |
| Safety Statements | 3-16-26-29-36/37/39-45 |
| OEL | Ceiling: 5 ppm (15 mg/m3) [skin] |
| RIDADR | UN 1125 3/PG 2 |
| WGK Germany | 1 |
| RTECS | EO2975000 |
| F | 34 |
| Autoignition Temperature | 594 °F |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29211980 |
| Toxicity | LD50 orally in rats: 500 mg/kg (Hine) |
| IDLA | 300 ppm |
