Khoom Description
Khoom npe: L-Cysteine
CAS: 52-90-4 Nr
PIB: 200-158-2
Melting point: 240℃(dec.) (lit.)
Alpha: 8.75 º (c{1}}, 2N HCl)
Kub taw tes: 293.9 ± 35.0℃(Predicted)
Qhov ceev: 1.197 (kwv yees)
Qhov ceev: 300kg / m3
FEMA: 3263|L-CYSTEINE
Specification
| Cov khoom | Specifications |
| Qhov tshwm sim | Tsis muaj xim thiab pob tshab kua |
| Purity | 99% |
| Cia temp. | Khaws hauv qab +30℃. |
| Pob | 1 kg / hnab, 20 kg / nruas, 25 kg / nruas |
Daim ntawv thov
1. L-Cysteine yog leej faj- muaj cov amino acid siv los ua cov khoom noj khoom haus thiab cov khoom siv tshuaj los pab txhawb glutathione synthesis, tiv thaiv antioxidant, thiab detoxification txheej txheem.
2. L-Cysteine CAS 52-90-4 ua tus neeg sawv cev txo qis hauv kev siv biochemical, tiv thaiv cov protein thiab enzymes los ntawm oxidation, thiab siv rau hauv kab lis kev cai xov xwm ntawm tes los txhawb kev loj hlob ntawm tes thiab kev vam meej.
3. L-Cysteine yog ua haujlwm nyob rau hauv kev lag luam khoom noj khoom haus ua khob noom cookie txias, tsw enhancer, thiab antioxidant, thiab nyob rau hauv cov tshuaj pleev ib ce formulations rau cov plaub hau straightening thiab cov khoom tu tawv nqaij.
4. Cov kws tshawb fawb siv L-cysteine ua lub tsev thaiv hauv peptide synthesis, raws li tus qauv siv hauv kev tshuaj xyuas amino acid, thiab hauv kev tshawb fawb ntawm redox biology, protein folding, thiab metabolic pathways.
Cia thiab ceev faj
1. L-Cysteine yuav tsum muab khaws cia rau hauv lub thawv kaw nruj nreem nyob rau hauv qhov chaw txias, qhuav, thiab zoo- qhov cua nyob ib puag ncig, tiv thaiv lub teeb thiab noo noo; hmoov yog ruaj khov mus txog 3 xyoos ntawm -20℃lossis 2 xyoos ntawm 4 degree.
2. L-Cysteine CAS 52-90-4 yog cais nrog GHS cov lus txaus ntshai H315 (Ua rau tawv nqaij khaus), H319 (Ua rau qhov muag khaus hnyav), thiab H335 (Tej zaum ua rau ua pa ua pa), nrog cov lus ceeb toom "Ceeb toom".
3. Cov neeg ua haujlwm yuav tsum hnav cov tshuaj lom neeg-cov hnab looj tes tiv thaiv, tsom iav kev nyab xeeb nrog sab- cov ntaub thaiv npog, thiab cov khaub ncaws tiv thaiv thaum tuav cov khoom no, ua kom muaj cua txaus hauv chaw ua haujlwm.
4. Khaws kom deb ntawm cov khoom siv tsis sib xws xws li cov tshuaj muaj zog oxidizing, muaj zog acids, thiab cov hauv paus muaj zog los tiv thaiv decomposition; L-cysteine rhiab heev rau oxidation thiab yuav tsum tau muab cia rau hauv inert cua.
Kev kub ceev teb rau cov dej xau
1. Tshem tawm ntawm qhov chaw nchuav, ua kom muaj cua txaus, thiab hnav cov khoom tiv thaiv tus kheej tag nrho nrog rau cov tshuaj - hnab looj tes tiv thaiv, tsom iav kev nyab xeeb, thiab lub tshuab ua pa uas tsim nyog thaum L-Cysteine raug tso tawm.
2. Sau L-Cysteine CAS 52-90-4 los ntawm kev cheb lossis nqus tsev yam tsis tsim cov plua plav uas siv cov cuab yeej tsis ua kom tawg, thiab muab tso rau hauv cov thawv kaw tsim nyog rau kev pov tseg.
3. Tsis txhob tsim cov huab cua thaum lub sij hawm ntxuav kom tsis txhob ua pa; tiv thaiv L-cysteine los ntawm kev nkag mus rau hauv cov dej ntws los yog cov dej hauv cov dej.
4. Pov tseg cov ntaub ntawv khaws tseg raws li hauv zos, xeev, thiab tseem fwv cov kev cai ib puag ncig los ntawm kev tso cai los ntawm kev puas tsuaj los yog kev tswj incineration.
Kev tiv thaiv hluav taws
1. L-Cysteine tsis raug cais raws li cov nplaim hluav taws kub heev tab sis tuaj yeem decompose nyob rau hauv hluav taws kub, emitting pa pa phem xws li carbon monoxide, carbon dioxide, nitrogen oxides (NOx), thiab sulfur oxides.
2. Siv cov tshuaj tsuag dej, tshuaj qhuav hmoov, carbon dioxide, los yog cawv- ua npuas ncauj resistant los tua hluav taws nrog cov khoom; Tsis txhob siv lub dav hlau dej ncaj nraim li L-Cysteine CAS 52-90-4 tuaj yeem tawg cov khoom siv hluav taws xob.
3. Cov neeg tua hluav taws yuav tsum hnav nws tus kheej- muaj cov cuab yeej ua pa hauv siab- thov, MSHA/NIOSH tau pom zoo, thiab cov iav tiv thaiv tag nrho thaum tuav cov hlawv L-Cysteine vim muaj kev puas tsuaj rau cov roj cua uas tsim los ntawm thermal decomposition .
4. Thaum lub sij hawm combustion, tej zaum yuav emit irritant thiab toxic fumes; muaj hluav taws kub los tiv thaiv ib puag ncig.
Yam khoom pom zoo
| Cov khoom | Khoom npe |
| 1 | 2-Cyanopyridine CAS 100-70-9 |
| 2 | DL -Sulforaphane CAS 4478-93-7 |
| 3 | 3-Cyanopyridine CAS 100-54-9 |
| 4 | L-Arabinose CAS 5328-37-0 |
| 5 | N-Acetyl-D-Glucosamine CAS 7512-17-6 |
| 6 | N-Ethyl-N-Hydroxyethylaniline CAS 92-50-2 |
| 7 | L-Lysine monohydrate CAS 39665-12-8 |
| 8 | D-Galactose CAS 59-23-4 |
| 9 | Tom ntej: Magnesium Carbonate CAS 546-93-0 |
| 10 | Yog tias koj xav tau cov ntaub ntawv ntxiv, txais tos hu rau peb txhua lub sijhawm.WhatsApp: +86 18317156592
|
Ntim




Kev thauj mus los & Kev Them Nyiaj

Txog Kev Thauj Mus Los
Raws li cov kev xav tau ntawm peb cov neeg siv khoom, peb tuaj yeem muab ntau hom kev thauj mus los.
Rau kev txiav txim me me, peb muab kev xa khoom huab cua lossis kev pabcuam xa khoom thoob ntiaj teb xws li FedEx, DHL, TNT, EMS, thiab ntau lwm yam tshwj xeeb ntawm kev thauj mus los thoob ntiaj teb.
Peb tuaj yeem thauj los ntawm hiav txwv mus rau ib qho chaw nres nkoj rau qhov loj dua.
Tsis tas li ntawd, peb tuaj yeem muab cov kev pabcuam tshwj xeeb raws li cov kev xav tau ntawm peb cov neeg siv khoom thiab cov yam ntxwv ntawm lawv cov khoom.

* Peb tuaj yeem muab ntau yam kev xaiv them nyiaj rau peb cov neeg siv khoom.
* Thaum tus nqi qis, cov neeg siv khoom feem ntau them nrog PayPal, Western Union, Alibaba, thiab lwm yam kev pabcuam zoo sib xws.
* Thaum cov lej tseem ceeb, cov neeg siv khoom feem ntau them nrog T / T, L / C thaum pom, Alibaba, thiab lwm yam.
* Tsis tas li ntawd, ntau tus neeg siv khoom yuav siv Alipay lossis WeChat Them kom them nyiaj.
FAQ
1
Kuv puas tuaj yeem tau txais cov qauv ntawm koj?
Re: Yog lawm, peb xav muab cov qauv rau koj raws li koj xav tau.
2
Koj tus MOQ yog dab tsi?
Re: Feem ntau peb cov MOQ yog 1 kg, tab sis qee zaum nws kuj hloov tau thiab nyob ntawm cov khoom sib txawv.
3
Ntev npaum li cas kuv tuaj yeem tau txais kuv cov khoom tom qab them nyiaj?
Re: Yog tias xa los ntawm couriers lossis huab cua, nws feem ntau raug nqi 5-10 hnub.
Yog tias xa los ntawm hiav txwv, nws feem ntau raug nqi 3-40 hnub, uas nyob ntawm koj qhov chaw.
4
Koj puas muaj kev pabcuam tom qab- muag?
Re: Yog lawm, peb yuav qhia koj txog kev nce qib ntawm qhov kev txiav txim, xws li kev npaj cov khoom, kev tshaj tawm, kev thauj mus los ua raws- nce, kev pabcuam kev lis kev cai, kev qhia txuj ci, thiab lwm yam.
Tiv tauj peb

Cim npe nrov: l-cysteine cas 52-90-4, Tuam Tshoj l-cysteine cas 52-90-4 manufacturers, lwm tus neeg, Hoobkas








