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137561

Sigma-Aldrich

3-Methyl-1-pentyn-3-ol

98%

Sinonimo/i:

Ethyl ethynyl methyl carbinol, Meparfynol

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About This Item

Formula condensata:
CH≡CC(OH)(CH3)CH2CH3
Numero CAS:
77-75-8
Peso molecolare:
98.14
Beilstein:
969340
Numero CE:
201-055-5
Numero MDL:
MFCD00004479
Codice UNSPSC:
12352100
ID PubChem:
24848336
NACRES:
NA.22

Densità del vapore

3 (vs air)

Livello qualitativo

100

Tensione di vapore

6.5 mmHg ( 20 °C)

Saggio

98%

Forma fisica

liquid

Indice di rifrazione

n20/D 1.431 (lit.)

P. eboll.

121-122 °C (lit.)

Solubilità

Cellosolve: miscible
Stoddard solvent: miscible
acetone: miscible
benzene: miscible
carbon tetrachloride: miscible
cyclohexanone: miscible
diethyl ether: soluble
diethylene glycol: miscible
ethanolamine: miscible
ethyl acetate: miscible
kerosene: miscible
mineral spirits: miscible
neatsfoot oil: miscible
petroleum ether: miscible
soybean oil: miscible

Densità

0.866 g/mL at 25 °C (lit.)

Stringa SMILE

CCC(C)(O)C#C

InChI

1S/C6H10O/c1-4-6(3,7)5-2/h1,7H,5H2,2-3H3
QXLPXWSKPNOQLE-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

3-Methyl-1-pentyn-3-ol acts as initiator during the synthesis of propargyl-terminated polylactide by bulk ring-opening polymerization.

Applicazioni

3-Methyl-1-pentyn-3-ol is propargyl alcohol that can be used as:
  • A reactant to synthesize α-methylene cyclic carbonates by reacting with carbon dioxide.
  • A reactant in the synthesis of 2,6,9-trisubstituted purine based CDK inhibitors.
  • An initiator in the synthesis of polylactide bearing terminal propargyl group via ring-opening polymerization of L-lactide.

Azioni biochim/fisiol

3-Methyl-1-pentyn-3-ol is a sedative and induces hepatic P4503A in mouse.

Avvertenze

Danger

Indicazioni di pericolo

H226,H302,H318,H412

Classi di pericolo

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Flam. Liq. 3

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

82.4 °F - closed cup

Punto d’infiammabilità (°C)

28 °C - closed cup

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Certificati d'analisi (COA)

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Supelco

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Sigma-Aldrich

302481

4-Pentyn-1-ol

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Sigma-Aldrich

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Sigma-Aldrich

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Sigma-Aldrich

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H Teräväinen et al.
Journal of neurology, neurosurgery, and psychiatry, 49(2), 198-199 (1986-02-01)
Six patients with essential tremor tested in the therapeutic effectiveness of a 6-carbon alcohol, methylpentynol, 200 mg/day, against placebo in a randomised double-blind clinical cross-over trial. The effect of methylpentynol on postural tremor amplitude was not different from that of
Preparation of propargyl-terminated polylactide by the bulk ring-opening polymerization.
Liu X, et al.
Journal of Macromolecular Science, Part A: Pure and Applied Chemistry, 46(10), 937-942 (2009)
M I Walash et al.
Journal - Association of Official Analytical Chemists, 68(6), 1209-1212 (1985-11-01)
Titrimetric and spectrophotometric titration methods are described for the quantitative determination of acetylenic hypnotics ethchlorvynol, ethinamate, and meparfynol carbamate as pure substances and in dosage forms. The methods involve the use of different brominating agents. A known excess of the
A el-Brashy et al.
Pharmaceutisch weekblad. Scientific edition, 10(2), 90-92 (1988-04-22)
A titrimetric method is described for the determination of three acetylenic hypnotics, namely ethchlorvynol, ethinamate, and methylpentynol carbamate, in bulk and in dosage forms. The method involves the use of either 1,3-dibromo-5,5-dimethylhydantoin (DBH), N-bromosuccinimide (NBS) or N-bromophthalimide (NBP) as titrants.
G J Mannering et al.
Xenobiotica; the fate of foreign compounds in biological systems, 26(5), 487-493 (1996-05-01)
1. Colupulone, a constituent of hops, was shown to be a potent inducer of hepatic P4503A in mouse. The olefin, 2-methyl-3-buten-2-ol (RC = CH2), is formed from lupulones when hops are exposed to atmospheric hydroxyl radicals. This suggested the possibility
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