02300

D(+)-Äpfelsäure

unnatural form, ≥97.0% (T)

• Synonym(e): (R)-(+)-2-Hydroxy-bernsteinsäure, D-Hydroxybutandisäure
• Lineare Formel: HO₂CCH₂CH(OH)CO₂H
• CAS-Nummer: 636-61-3
• Molekulargewicht: 134.09
• UNSPSC Code: 51113400
• NACRES: NA.22
• PubChem Substance ID: 329747411
• EC Number: 211-262-2
• Beilstein/REAXYS Number: 1723540
• MDL number: MFCD00004245
• Assay: ≥97.0% (T)

Eigenschaften

• Quality Level: 200
• assay: ≥97.0% (T)
• optical activity: [α]20/D +28.0±2°, c = 5.5% in pyridine
• quality: unnatural form
• mp: 98-102 °C (lit.)
• functional group: carboxylic acid, hydroxyl
• SMILES string: O[C@H](CC(O)=O)C(O)=O
• InChI: 1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)/t2-/m1/s1
• InChI key: BJEPYKJPYRNKOW-UWTATZPHSA-N

Beschreibung

Application

D-(+)-Malic acid can be used:

• As a starting material for the enantioselective total synthesis of (−)-erinapyrone B.
• As a chiral organocatalyst in the synthesis of α-aminophosphonates from various aldehydes, aniline, and diethyl phosphite.

Sicherheitshinweise

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H315,H318,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Lagerklasse: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves