L-Cysteine ​​CAS 52-90-4

Ntseeg Tshuaj yog ib tug ua Tuam Tshoj L-Cysteine ​​CAS 52-90-4 chaw tsim tshuaj paus, tsum thiab exporter. Ua raws li kev ua raws li cov khoom lag luam zoo, kom peb cov L-Cysteine ​​CAS 52-90-4 tau txaus siab los ntawm ntau tus neeg siv khoom. Shandong Ntseeg

Peb zoo ntawm qhov zoo ntawm cov khoom siv tshuaj lom neeg hauv thaj chaw. Peb cov khoom raug xa tawm mus rau Tebchaws Europe, Tebchaws Meskas, Nyiv, Kaus Lim Qab Teb, Sab Hnub Tuaj Asia thiab lwm lub tebchaws thiab cheeb tsam. Nrog rau kev tshawb fawb thiab thev naus laus zis raws li kev qhia, kev ncaj ncees raws li lub hauv paus, zoo li lub neej, thiab tso siab rau lub tswv yim kev lag luam ntawm kev tsim kho tshiab thiab kev loj hlob, peb cia siab tias yuav tsim kev sib pauv thiab kev koom tes nrog cov neeg siv khoom hauv tsev thiab txawv teb chaws los tsim kev vam meej!

L-Cysteine ​​CAS 52-90-4 Tshuaj Specification

L-Cysteine ​​CAS 52-90-4 Chemical Properties

Melting point 240 ° C (Lub Kaum Ob Hlis) (lit.)
Kub taw tes 293.9 ± 35.0 ° C (kwv yees)
Kev sib hloov tshwj xeeb 8.75 º (C = 12,2nhcl)
Qhov ceev 1.197 (kwv yees)
Refractive index 8.8 ° (C = 8,1mol / lhcl) fema3263 | L-cysteine
Cia txias: cia txias 30 ° C
Solubility: H2O: 25mg / ml
Acidity coefficient (PKA) 1.92 (AT25)
Daim ntawv: khov
Xim: dawb
PH 4.5-5.5 (100g / L, H2O, 20 â â âฒ

L-Cysteine ​​CAS 52-90-4 Daim ntawv thov

Khoom noj khoom haus zoo; Khoom noj khoom haus ntxiv; antioxidant; Xim fixative. Nws muaj cov nyhuv detoxification ntawm acrylonitrile thiab aromatic acidosis; Nws tuaj yeem tiv thaiv hluav taws xob puas tsuaj; Nws muaj cov nyhuv ntawm kev kho mob bronchitis thiab daws cov phlegm nrog cov ntaub ntawv tshuaj; Nws tuaj yeem nqus dej cawv thiab hloov mus rau acetaldehyde hauv lub cev. Raws li cov kev cai ntawm gb2760-96, nws tuaj yeem siv rau cov txuj lom.