340235

(R)-(+)-4-Methyl-4-(trichloromethyl)-2-oxetanone

98%

• Synonym(s): (R)-(+)-3-Hydroxy-3-methyl-4,4,4-trichlorobutyric acid β-lactone
• Empirical Formula (Hill Notation): C₅H₅Cl₃O₂
• CAS Number: 93239-42-0
• Molecular Weight: 203.45
• Beilstein/REAXYS Number: 5730854
• MDL number: MFCD00060124
• UNSPSC Code: 12352005
• PubChem Substance ID: 24860787
• NACRES: NA.22

Properties

• assay: 98%
• optical activity: [α]26/D +6.0°, c = 2 in ethanol
• bp: 120 °C/0.1 mmHg (lit.)
• mp: 43-44 °C (lit.)
• SMILES string: C[C@@]1(CC(=O)O1)C(Cl)(Cl)Cl
• InChI: 1S/C5H5Cl3O2/c1-4(5(6,7)8)2-3(9)10-4/h2H2,1H3/t4-/m1/s1
• InChI key: MIYJBPXTAZJPGX-SCSAIBSYSA-N

Description

Application

(R)-(+)-4-Methyl-4-(trichloromethyl)-2-oxetanone may be used in the preparation of (S)-citramalic acid.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H302 + H312 + H332,H315,H319,H335
• pcodes: P261 - P280 - P301 + P312 - P302 + P352 + P312 - P304 + P340 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: 235.4 °F - closed cup
• flash_point_c: 113 °C - closed cup
• ppe: dust mask type N95 (US), Eyeshields, Gloves