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Names | |||
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Preferred IUPAC name Propan-2-amine | |||
Other names
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Identifiers | |||
CAS Number | |||
3D model (JSmol) | |||
Beilstein Reference | 605259 | ||
ChEBI | |||
ChEMBL | |||
ChemSpider | |||
ECHA InfoCard | 100.000.783 | ||
EC Number |
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KEGG | |||
MeSH | 2-propylamine | ||
PubChem CID | |||
RTECS number |
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UNII | |||
UN number | 1221 | ||
CompTox Dashboard (EPA) | |||
InChI
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SMILES
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Properties | |||
Chemical formula | C3H9N | ||
Molar mass | 59.112 g·mol | ||
Appearance | Colourless liquid | ||
Odor | "Fishy"; ammoniacal | ||
Density | 688 mg mL | ||
Melting point | −95.20 °C; −139.36 °F; 177.95 K | ||
Boiling point | 31 to 35 °C; 88 to 95 °F; 304 to 308 K | ||
Solubility in water | Miscible | ||
log P | 0.391 | ||
Vapor pressure | 63.41 kPa (at 20 °C) | ||
Refractive index (nD) | 1.3742 | ||
Thermochemistry | |||
Heat capacity (C) | 163.85 J K mol | ||
Std molar entropy (S298) |
218.32 J K mol | ||
Std enthalpy of formation (ΔfH298) |
−113.0–−111.6 kJ mol | ||
Std enthalpy of combustion (ΔcH298) |
−2.3540–−2.3550 MJ mol | ||
Hazards | |||
GHS labelling: | |||
Pictograms | |||
Signal word | Danger | ||
Hazard statements | H224, H315, H319, H335 | ||
Precautionary statements | P210, P261, P305+P351+P338 | ||
Flash point | −18 °C (0 °F; 255 K) | ||
Autoignition temperature |
402 °C (756 °F; 675 K) | ||
Explosive limits | 2–10.4% | ||
Lethal dose or concentration (LD, LC): | |||
LD50 (median dose) |
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LC50 (median concentration) | 4,000 ppm (rat, 4 hr) | ||
LCLo (lowest published) | 7000 ppm (mouse, 40 min) | ||
NIOSH (US health exposure limits): | |||
PEL (Permissible) | TWA 5 ppm (12 mg/m) | ||
REL (Recommended) | None established | ||
IDLH (Immediate danger) | 750 ppm | ||
Related compounds | |||
Related alkanamines | |||
Related compounds | 2-Methyl-2-nitrosopropane | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Y verify (what is ?) Infobox references |
Isopropylamine (also known as monoisopropyl amine, MIPA, or 2-propylamine) is an organic compound, an amine. It is a hygroscopic colorless liquid with ammonia-like odor. It is miscible with water and flammable. It is a valuable intermediate in chemical industry.
Reactions
Isopropylamine exhibits reactions typical of other simple alkyl amines, i.e. protonation, alkylation, acylation, condensation with carbonyls. Like other simple aliphatic amines, isopropylamine is a weak base: the pKa of is 10.63.
Preparation and use
Isopropylamine can be obtained by reaction of isopropyl alcohol with ammonia in presence of a catalyst:
- (CH3)2CHOH + NH3 → (CH3)2CHNH2 + H2O
Isopropylamine is a building block for the preparation of many herbicides and pesticides including atrazine, bentazon, glyphosate, imazapyr, ametryne, desmetryn, prometryn, pramitol, dipropetryn, propazine, fenamiphos, and iprodione. It is a regulating agent for plastics, an intermediate in organic synthesis of coating materials, plastics, pesticides, rubber chemicals, pharmaceuticals and others, and is an additive in the petroleum industry.
References
- ^ NIOSH Pocket Guide to Chemical Hazards. "#0360". National Institute for Occupational Safety and Health (NIOSH).
- ^ "Isopropylamine". Immediately Dangerous to Life and Health. National Institute for Occupational Safety and Health. 4 December 2014. Retrieved 14 April 2015.
- ^ Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke (2005). "Amines, Aliphatic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a02_001.
{{cite book}}
: CS1 maint: multiple names: authors list (link) - H. K. Hall, Jr. (1957). "Correlation of the Base Strengths of Amines". J. Am. Chem. Soc. 79 (20): 5441–5444. doi:10.1021/ja01577a030.
External links
- International Chemical Safety Card 0908
- NIOSH Pocket Guide to Chemical Hazards. "#0360". National Institute for Occupational Safety and Health (NIOSH).