Vitamin B3 (Nicotinic Acid / Niacin) Cas: 59-67-6
| Catalog Number | xwm 91864 |
| Khoom npe | Vitamin B3 (Nicotinic Acid / Niacin) |
| CAS | 59-67-6 |
| Molecular Formula | C6H5 NPO 2 |
| Molecular Luj | 123.11 Nws |
| Cov ntaub ntawv khaws cia | 2-8 ° C |
| Harmonized tariff Code | 293629 0 |
Khoom Specification
| Qhov tshwm sim | Dawb mus rau dawb hmoov |
| Assay | 99% min |
| Melting point | 236-239 ° C (lit.) |
| Boiling point | 260C ua |
| ceev | 1.473 ib |
| Refractive Index | 1.5423 (kwv yees) |
| Fp | 193 ° C |
| solubility | 18 g/l |
| pka ua | 4.85 (ntawm 25 ℃) |
| PH | 2.7 (18g / l, H2O, 20 ℃) |
| Dej Solubility | 1-5 g / 100 mL ntawm 17 ºC |
| Kev ruaj ntseg | ruaj khov.Incompatible nrog muaj zog oxidizing neeg sawv cev.Tej zaum yuav lub teeb rhiab heev. |
Nicotinic acid yog ib qho tseem ceeb hauv kev xa cov hydrogen thiab tua pellagra hauv cov kab mob;nws pab tswj cov tawv nqaij thiab paj hlwb thiab txhawb kev zom zaub mov.
Nicotinic acid los yog niacinamide yog siv los kho thiab tiv thaiv pellagra.Qhov no yog kab mob tshwm sim los ntawm niacin deficiency.Niacin kuj tseem siv los kho cov roj cholesterol siab.Qee zaum, niacin noj nrog colestipol tuaj yeem ua haujlwm zoo li colestipol thiab tshuaj statin.
Niacin USP granular yog siv rau kev tiv thaiv khoom noj khoom haus, raws li kev noj haus ntxiv thiab ua ib qho nruab nrab ntawm cov tshuaj.
Niacin pub qib yog siv los ua vitamin rau nqaij qaib, swines, ruminants, ntses, dev thiab miv, thiab lwm yam. Nws kuj yog siv los ua nruab nrab rau nicotinic acid derivatives thiab kev siv.
Niacin tseem hu ua vitamin B3.Nws yog cov dej-soluble conditioning agent uas txhim kho cov tawv nqaij tawv, qhuav, los yog flaky, pab kom cov tawv nqaij du thiab txhim kho nws cov suppleness.niacin txhim kho cov tsos thiab kev xav ntawm cov plaub hau, los ntawm kev ua kom lub cev, suppleness, los yog sheen, los yog los ntawm kev txhim kho cov kev ntxhib los mos ntawm cov plaub hau uas tau raug puas lub cev los yog tshuaj kho mob.Thaum siv hauv kev tsim cov khoom tu tawv nqaij, niacinamide thiab niacin txhim kho cov tsos ntawm cov tawv nqaij qhuav lossis puas los ntawm kev txo qis flaking thiab rov ua kom suppleness.
Nicotinic acid.Nws yog ib qho precursor ntawm coenzymes NAD thiab NADP.Dav dav hauv qhov xwm txheej;muaj txiaj ntsig zoo muaj nyob hauv daim siab, ntses, poov xab thiab cereal nplej.Kev noj zaub mov tsis txaus yog txuam nrog pellagra.Lo lus "niacin" kuj tau siv.
Niacin yog dej-soluble b-complex vitamin uas tsim nyog rau kev loj hlob thiab kev noj qab haus huv ntawm cov ntaub so ntswg.Nws tiv thaiv pelagra.Nws muaj ib tug solubility ntawm 1 g nyob rau hauv 60 ml ntawm dej thiab yog yooj yim soluble nyob rau hauv boiling dej.Nws yog qhov ruaj khov nyob rau hauv cia thiab tsis muaj kev poob tshwm sim hauv kev ua noj ua haus zoo tib yam.Cov hauv paus muaj xws li daim siab, peas, thiab ntses.Nws yog Ameslikas hu ua nicotinic acid thiab tseem ua haujlwm raws li kev noj haus thiab kev noj haus ntxiv.
Nicotinic acid.Nws yog ib qho precursor ntawm coenzymes NAD thiab NADP.Dav dav hauv qhov xwm txheej;muaj txiaj ntsig zoo muaj nyob hauv daim siab, ntses, poov xab thiab cereal nplej.Kev noj zaub mov tsis txaus yog txuam nrog pellagra.Lo lus "niacin" kuj tau siv rau nicotinamide lossis rau lwm yam khoom siv uas nthuav tawm cov haujlwm lom neeg ntawm nicotinic acid.Vitamin (enzyme cofactor).
Nicotinic acid tau esterified los ua kom nws cov nyhuv shypolipidemic.Pentaerythritol tetranicotinate tau ua haujlwm zoo dua li niacin hauv kev txo cov roj cholesterol hauv cov luav.Sorbitol thiab myo-inositolhexanicotinate polyesters tau siv los kho cov neeg mob nrog atherosclerosis obliterans.Cov tshuaj noj niacin li niaj zaus yog 3 mus rau 6 g / hnub rau hauv peb koob tshuaj.Cov tshuaj feem ntau yog muab thaum noj mov kom txo tau qhov mob plab uas feem ntau nrog cov koob tshuaj loj.
