DL-Mandelic acid/rau mandelic acid
Suav Lub Npe: DL-Mandelic Acid (Synonyms: Amygdalic Acid, Phenylglycolic Acid, -Hydroxyphenylacetic Acid)
Lub npe Askiv: DL-Mandelic acid; (±)-Mandelic acid
Cov cim tseem ceeb: CAS No. 90-64-2; EINECS No. 202-007-6; Molecular Formula: C₈H₈O₃; Tus txheeb ze Molecular Mass: 152.15
Cov tsos mob thiab cov khoom: Dawb orthorhombic flaky crystals, discolored thiab decomposed thaum raug lub teeb; Melting point: 119-121 degree, ceev: approx . 1.30; Solubility hauv dej: kwv yees li . 150 g / L ntawm 20 degree, pKa: approx . 3.85 ntawm 25 degree; Enantiomers: R-isomer nrog mp 133℃([ ]ᴅ −159.73 degree, hauv ethanol), S-isomer nrog mp 133.8℃([ ]ᴅ +156.57℃, hauv dej); Cov neeg sib tw sib tw tau maj mam sib tw ntawm ib ncig ntawm 160 degree.
Cov ntawv thov tseem ceeb
Pharmaceuticals thiab Intermediates: DL-Mandelic acid (mandelic acid) yog siv los ua cov tshuaj xws li cyclandelate thiab hydroxybenzazole; nws kuj tseem ua haujlwm siab -kev ua tau zoo thiab cov tshuaj reagent nyob rau hauv kws tshuaj R&D thiab ntau lawm.
Lwm Daim Ntawv Thov: DL-Mandelic acid (mandelic acid) ua haujlwm tshwj xeeb rau kev tshawb nrhiav zirconium, tus neeg sawv cev tseem ceeb rau kev txiav txim siab tooj liab, thiab cov khoom tseem ceeb hauv cov organic synthesis; nws kuj ua haujlwm raws li kev siv tshuaj tua kab mob zoo, thiab tuaj yeem siv los ua luv luv -lub sij hawm biomarker rau styrene raug rau hauv kev saib xyuas kev noj qab haus huv ua haujlwm.
Yam Zoo Specifications thiab ntim
Specifications (rau kev siv): DL-Mandelic acid (mandelic acid) nthuav tawm raws li cov hmoov dawb crystalline; Assay: Ntau dua lossis sib npaug li 99.0%; Melting point: 118-121 degree; Poob ntawm ziab: Tsawg dua lossis sib npaug li 0.5%; Residue ntawm ignition: Tsawg dua los yog sib npaug rau 0.2%; Dej-insoluble teeb meem: Tsawg dua lossis sib npaug li 0.2% (tus qauv tswj sab hauv).
Ntim: 25 kg ib lub nruas fiber ntau (kab nrog lub hnab yas) rau cov khoom loj ntawm DL-Mandelic acid (mandelic acid); customized specifications xws li 1 kg / 5 kg yog muaj raws li tus neeg thov kev thov rau me me - batch sim thiab kuaj siv.
Cim npe nrov: dl-mandelic acid/rau mandelic acid, Tuam Tshoj dl-mandelic acid/rau mandelic acid
