236691

(R)-(−)-2-Butanol

99%

• Synonym(e): (R)-(−)-sec.-Butylalkohol
• Lineare Formel: C₂H₅CH(OH)CH₃
• CAS-Nummer: 14898-79-4
• Molekulargewicht: 74.12
• Beilstein: 1718764
• EG-Nummer: 238-967-8
• MDL-Nummer: MFCD00064280
• UNSPSC-Code: 12352001
• PubChem Substanz-ID: 24854183
• NACRES: NA.22

Eigenschaften

• Dampfdichte: 2.6 (vs air)
• Dampfdruck: 12.5 mmHg ( 20 °C)
• Assay: 99%
• Form: liquid
• Optische Aktivität: [α]20/D −13°, neat
• Selbstzündungstemp.: 761 °F
• Expl.-Gr.: 9.8 %
• Brechungsindex: n20/D 1.397 (lit.)
• bp: 97-100 °C (lit.)
• Dichte: 0.807 g/mL at 20 °C (lit.)
• Funktionelle Gruppe: hydroxyl
• SMILES String: CC[C@@H](C)O
• InChI: 1S/C4H10O/c1-3-4(2)5/h4-5H,3H2,1-2H3/t4-/m1/s1
• InChIKey: BTANRVKWQNVYAZ-SCSAIBSYSA-N

Beschreibung

Anwendung

(R)-(−)-2-Butanol can be used as a reagent in the synthesis of:

• 1-[(S)-2-butyl]-3,5 diphenyl-1H-1,2,4 triazole from 3,5 diphenyl-1H-1,2,4 triazole by Mitsunobu reaction.
• 2-butyl tosylate building block by reacting with toluenesulfonyl chloride.

(R)-(-)-2-Butanol has been used as a freeze drying medium during the long term cryopreservation of smooth muscle cells samples in a freezing container.

Sicherheitshinweise

• Piktogramme: GHS02,GHS07
• Signalwort: Danger
• H-Sätze: H225,H319,H335,H336
• P-Sätze: P210 - P233 - P240 - P241 - P242 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
• Zielorgane: Central nervous system, Respiratory system
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 3
• Flammpunkt (°F): 71.6 °F - closed cup
• Flammpunkt (°C): 22 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter