236691

(R)-(−)-2-Butanol

99%

• Synonym(s): (R)-(−)-sec-Butyl alcohol
• Linear Formula: C₂H₅CH(OH)CH₃
• CAS Number: 14898-79-4
• Molecular Weight: 74.12
• Beilstein: 1718764
• EC Number: 238-967-8
• MDL number: MFCD00064280
• UNSPSC Code: 12352001
• PubChem Substance ID: 24854183
• NACRES: NA.22

Properties

• vapor density: 2.6 (vs air)
• vapor pressure: 12.5 mmHg ( 20 °C)
• Assay: 99%
• form: liquid
• optical activity: [α]20/D −13°, neat
• autoignition temp.: 761 °F
• expl. lim.: 9.8 %
• refractive index: n20/D 1.397 (lit.)
• bp: 97-100 °C (lit.)
• density: 0.807 g/mL at 20 °C (lit.)
• SMILES string: CC[C@@H](C)O
• InChI: 1S/C4H10O/c1-3-4(2)5/h4-5H,3H2,1-2H3/t4-/m1/s1
• InChI key: BTANRVKWQNVYAZ-SCSAIBSYSA-N

Description

Application

(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.

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225,H319,H335,H336
• Precautionary Statements: P210 - P233 - P240 - P241 - P242 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
• Target Organs: Central nervous system, Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 71.6 °F - closed cup
• Flash Point(C): 22 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves