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n-butanol

Name: n-butanol
SKU: 0

Basic Information

CAS No.: 71-36-3
Molecular Formula: C4H10O
Molecular Weight: 74.121

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product description

N-butanol, also known as -butanol or tyrosol, is a straight-chain primary alcohol with the chemical formula C₄H₁₀O (structural formula CH₃(CH₂)₃OH) and a CAS number of 71-36-3. It is a colorless, transparent liquid with an odor similar to ethanol or fusel oil, and is flammable at room temperature. Its vapor is irritating to the respiratory tract

Chemical Properties

Property	Value
Melting point	-21 °C
Boiling point	246-248 °C (lit.)
Density	1.038 g/mL at 25 °C (lit.)
Vapor density	4 (vs air)
Vapor pressure	0.01 mm Hg (20 °C)
Refractive index	n20/D 1.469 (lit.)
Flash point	260 °F
Storage condition	Store below +30°C.
Solubility	Soluble in chloroform (slightly), methanol (slightly)
Acid dissociation constant (pKa)	14.41±0.10 (Predicted)
Form	Liquid
Color	Clear colorless to pale yellow
Odor	Ammonia-like
pH value	11.5 (100g/l, H₂O, 20°C)
pH range (indicator)	11.5 at 100 g/l at 20 °C
Explosive limit	0.9-8.4%(V)
Water solubility	MISCIBLE
BRN	1734441
Stability	Stable. Combustible. Incompatible with strong oxidizing agents.
Cosmetic ingredient function	FILM FORMING
InChI	1S/C5H13NO2/c1-6(2-4-7)3-5-8/h7-8H,2-5H2,1H3
InChIKey	CRVGTSFCCXCTH-UHFFFAOYSA-N
SMILES	N(CO)(CO)C(C)O
LogP	-1.16 at 23°C
Surface tension	33.5 mN/m at 303.15K
CAS database	105-59-9 (CAS DataBase Reference)
NIST chemical substance information	Methyldiethanolamine (105-59-9)
EPA chemical substance information	N-Methyldiethanolamine (105-59-9)

Parameter	Value
Safety Description	S7/9; S13; S16; S26; S36/37/39; S45; S46
Hazard Symbol	Xn
Risk Phrases	R10; R22; R37/38; R41; R67
Refractive Index	1.3988
Saturated Vapor Pressure	0.86 kPa (25 ℃)
Critical Temperature	563.0 K
Critical Pressure	4.43 MPa
Upper Explosion Limit (V/V)	11.20%
Lower Explosion Limit (V/V)	1.40%
Ignition Temperature	343 ℃
Solubility	At 20℃, the solubility of n-butanol in water is 7.7% (by weight), and the solubility of water in n-butanol is 20.1% (by weight). Soluble in most organic solvents such as ethanol and ether.

Product Usage

N-butanol finds widespread applications in various fields such as chemical industry, pharmaceuticals, food, and even energy. Its extensive consumption in applications has garnered significant attention in industrial production and scientific research. As an important basic organic chemical raw material, n-butanol is primarily used in the production of plasticizers like dibutyl phthalate (DBP), butyl acetate, butyl acrylate, butyl methacrylate, among others. It is also commonly used as an intermediate in organic synthesis.

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