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Methyl (R)-(-)-3-hydroxybutyrate (CAS # 3976-69-0)

Chemical Property:

Molecular Formula C5H10O3
Molar Mass 118.13 Nws
Qhov ntom 1.0889 (zeeg)
Melting Point 173-177 ° C
Boling Point 160.67 ° C (kwv yees kwv yees)
Flash Point 71.7°C dej
JECFA Number Xyoo 1947
Vapor Siab 0.768mmHg ntawm 25 ° C
pKa 13.95 ± 0.20 (kwv yees)
Kev cia khoom 2-8 ℃
Refractive Index 1.4056 (kwv yees)
Physical thiab Chemical Properties Qhov ceev: 1.055

Boiling Point: 72 ntawm 17mm Hg

lus :71


Product Detail

Khoom cim npe

Risk thiab Safety

Kev nyab xeeb piav qhia S23 - Tsis txhob ua pa.
S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
RTECS 470 000 ET

Methyl (R)-(-)-3-hydroxybutyrate (CAS#)3976-69-0) Taw qhia

Methyl (R)-3-hydroxybutyrate (Methyl (R)-3-hydroxybutyrate) yog cov organic compound. Cov hauv qab no yog cov lus piav qhia ntawm cov khoom, kev siv, kev npaj thiab kev nyab xeeb cov ntaub ntawv ntawm lub compound:

Xwm:
Methyl (R)-3-hydroxybutyrate yog cov kua tsis muaj xim uas muaj ntxhiab tsw tshwj xeeb. Nws cov qauv tshuaj yog C5H10O3 thiab nws cov txheeb ze molecular loj yog 118.13g / mol. Nws yog flammable thiab tuaj yeem yaj hauv ntau cov kuab tshuaj organic.

Siv:
Methyl (R)-3-hydroxybutyrate feem ntau yog siv los ua cov organic tebchaw xws li tshuaj tua kab, tshuaj thiab txuj lom. Nws tuaj yeem siv los tsim cov tshuaj tua kab mob tshiab thiab tshuaj tiv thaiv kab mob hauv thaj chaw tshuaj, thiab tseem siv tau los ua ib qho nruab nrab hauv cov khoom siv hluavtaws organic.

Txoj Kev Npaj:
Feem ntau, txoj kev npaj ntawm Methyl (R)-3-hydroxybutyrate yog tau los ntawm methyl esterification ntawm (R)-3-oxobutyric acid. Cov kauj ruam tshwj xeeb suav nrog reacting (R)-3-oxobutyric acid nrog methanol, thiab ua cov tshuaj tiv thaiv esterification nyob rau hauv acid catalysis kom tau ib yam khoom.

Cov ntaub ntawv kev nyab xeeb:
Methyl (R)-3-hydroxybutyrate yuav tsum muaj kev nyab xeeb thaum khaws cia thiab ua haujlwm. Nws yog cov khoom siv hluav taws xob thiab yuav tsum tau zam los ntawm kev sib cuag nrog cov nplaim taws qhib lossis kub kub. Tsis txhob nqus nws cov pa los yog tiv nrog daim tawv nqaij thiab qhov muag thaum siv. Nyob rau hauv rooj plaub ntawm kev sib cuag, ntxuav nrog dej tam sim ntawd thiab nrhiav kev pab kho mob. Nyob rau tib lub sijhawm, nws yuav tsum tau ua haujlwm nyob rau hauv qhov chaw muaj cua zoo thiab nruab nrog cov khoom siv tiv thaiv tus kheej tsim nyog, xws li cov tsom iav thiab hnab looj tes.


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  • Sau koj cov lus ntawm no thiab xa tuaj rau peb