Khoom
-
Tert butyl methanrylate
Cov Khoom Siv Physicochanemical
Khoom npe: tert betyl methanrylate
Melting taw tes: - 48 ° C
CAS TSIS MUAJ .: 585 - 07 - 9
BLAIL NTAM: 136 ° C (760 MMHG)
Molecular cov mis: C8h14o2
Flash point: 30 ° C (kaw khob)
Molecular hnyav: 142.20
Ceev: 0.876 g / cm3 (20 ° C)
Zog: Incolless pob tshab ua kua -
L - valine CAS CAS 72 - 18 - 4
Khoom npe: L - Valine
CAS TSIS MUAJ .: 72 - 18 - 4
Einecs tsis muaj.: - 773 - 6
Molecular Chiv:C5H11NO2
Molecular hnyav: 117.15
Cov muaju dawb muaju lossis cov hmoov crystalline; Tsis muaj ntxhiab, nrog lub qab zib me ntsis ua raws li kev iab iab. -
CUPRIC Chloride Dihydrate
Khoom npe: cupric chloride dihydrate
CAS:10125 - 13 - 0Cov lus ntawm ib txoj kab ke:Cucl2 · 2H2O
N.w.:170.48
Cov Khoom Siv:Xiav - ntsuab muaju
-
L - tyrosine CAS 60 - 18 - 4
Khoom npe: L - Tyrosine
CAS TSIS MUAJ. 60 - 18 - 4 - 4
Einecs tsis muaj.: 200 - 460 - 4
Molecular Cov Qauv: C9HH11No3
Molecular hnyav: 181.19
Cov muaju dawb muaju lossis cov hmoov crystalline, ntxhiab tsw thiab tsis muaj qab hau -
Naphthenic puag n4010
Cov koob ntawm naphthenic puag cov roj muag muag roj yog kho kom zoo los ntawm kev ua tau zoo naphthenic roj. Nws yog tsim nyog rau lub teeb - xim thiab pob tshab cov khoom siv roj hmab, tshwj xeeb tshaj yog rau thermoplastic elastomer (TPR.SBS) cov khoom lag luam. Nws yog ib qho zoo softening roj (kev ua haujlwm roj) rau lub teeb - xim rau cov khoom siv sib xyaw.
Cov ntau yam tseem ceeb: nl - 10, nl - 45, nm - 130, N4006, N40. -
L - cysteine hydrochloride monohydrate CAS 7048 - 04 - 6
Khoom npe: L - cysteine hydrochloride monohydrate
CAS TSIS MUAJ .: 7048 - 04 - 6
Einecs tsis muaj.: - 157 - 7
Molecular Chiv:C3H7NO2A-· H2O
Molecular hnyav: 175.64
Cov muaju dawb muaju lossis cov hmoov crystalline. Muaj qhov tsw tsw. -
Tooj liab hydroxide
Khoom npe: tooj liab hydroxide
CAS:20427 - 59 - 2Cov lus ntawm ib txoj kab ke:Cu (Oh) 2
N.w.:97.5
Cov Khoom Siv:Xiav flocculent nag daus, cov hmoov kom qhuav nthuav tawm cov hmoov xiav lossis siv lead ua.
-
L - cysteine monohydrotide CAS 52 - 89 - 1
Khoom npe: l - cysteine monohydrochloride
CAS TSIS MUAJ. ::52 - 89 - 1
Einecs tsis muaj.: - 157 - 7
Molecular Chiv:C3H7Pob tsuas2S
Molecular hnyav: 156.6117
Tsis muaj kob rau dawb muaju lossis cov hmoov crystalline, nrog me ntsis tshwj xeeb tsw thiab qaub saj.
Cysteine chloride tuaj yeem yaj hauv dej thiab tuaj yeem ua rau hauv kev txhaj tshuaj lossis cov ntsiav tshuaj, uas tuaj yeem tau nrawm nrawm los ntawm tib neeg lub cev.
Melting taw tes: 175 ℃ (decomposes). Soluble hauv dej, cov kua muaj aqueous acidic. Tus nqi PHF ntawm 1% kev daws teeb meem yog kwv yees li 1.7, thiab ntawm 0.1% yog kwv yees li 2.4. Tsis tas li ntawd soluble hauv cawv, ammonia dej thiab acetic acid, thiab insoluble hauv etioxidant thiab kev tiv thaiv ntawm tsis - enzymatic browning. -
Tooj liab acetate
Khoom npe: tooj liab acetate
Cas: 6923 - 66 - 8Cov lus ntawm ib txoj kab ke: CU (Ch3Coo) 2Os
N.w.: 199.65
Cov Khoom Siv: Xiav - ntsuab hmoov crystal
-
Mloog zoo & tso tsheb hlau luam pov tseg
Khoom npe: mloog thiab tso tsheb hlau luam yeeb -
L - cysteine CAS 52 - 90 - 4
Khoom npe: l - cysteine
Cas Tsis Yog .: 52 - 90 - 4
Einecs tsis muaj.: - 158 - 2
Molecular cov mis: c3h7no2s
Molecular hnyav: 121.15
Muab ob npaug crystal monoclinic lossis orthorhombic crystallization.
Nws yaj hauv dej, eteticol, acetic acid thiab ammonia dej, tab sis tsis yaj hauv Benzene, carbon tetrachloride, ethyl acetate, distone. -
Mloog zoo & tso tsheb hlau luam ntxiv
Khoom npe: mloog zoo & tso tsheb hlau luam ntxiv
Tau txais txiaj ntsig:- Cov khoom siv nrawm - Down muaj peev xwm ntau hauv cov dej dav - raws li cov tshuab;
- Kev ua tau zoo txawm tias nyob rau ib puag ncig zoo heev;
- Muaj kev ua tau ntev ntev;
- Tsawg me me saum npoo tsis xws luag nyob rau ntawm cov hauj lwm; zoo li cov ntses ntses lossis cov ntoo khaub ncaws;
- Ua haujlwm zoo nyob rau hauv siab - shear tej yam kev mob.
