243175

(R,R)-(−)-2,4-Pentanediol

99%

• Linear Formula: CH₃CH(OH)CH₂CH(OH)CH₃
• CAS Number: 42075-32-1
• Molecular Weight: 104.15
• Beilstein/REAXYS Number: 4290613
• MDL number: MFCD00063893
• UNSPSC Code: 12352001
• PubChem Substance ID: 24854603
• NACRES: NA.22

Properties

• assay: 99%
• optical activity: [α]21/D −40.4°, c = 10 in chloroform
• optical purity: ee: 97% (GLC)
• bp: 111-113 °C/19 mmHg (lit.)
• mp: 48-50 °C (lit.)
• SMILES string: C[C@@H](O)C[C@@H](C)O
• InChI: 1S/C5H12O2/c1-4(6)3-5(2)7/h4-7H,3H2,1-2H3/t4-,5-/m1/s1
• InChI key: GTCCGKPBSJZVRZ-RFZPGFLSSA-N

Description

Application

Acetalization reagent for ketones and β-keto esters. Used in the synthesis of optically active polyesters. C₂ symmetric chiral diol with versatile applications as a chiral auxiliary, building block, and chiral ligand.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: 213.8 °F - closed cup
• flash_point_c: 101 °C - closed cup
• ppe: Eyeshields, Gloves, type N95 (US)