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  • Chaw tsim tshuaj paus Zoo Nqe N, N-DIMETHYLFORMAMIDE (DMF) CAS 68-12-2

    Chaw tsim tshuaj paus Zoo Nqe N, N-DIMETHYLFORMAMIDE (DMF) CAS 68-12-2

    N, N-DIMETHYLFORMAMIDE yog abbreviated li DMF.Nws yog ib qho chaw tsim los ntawm kev hloov pauv ntawm pawg hydroxyl ntawm formic acid los ntawm pawg dimethylamino, thiab cov mis molecular yog HCON (CH3) 2.Nws yog xim tsis muaj xim, pob tshab, cov kua kub npau npau nrog lub teeb amine tsw thiab qhov txheeb ze ntawm 0.9445 (25 ° C).Melting point -61 ℃.Kub taw tes 152.8 ℃.Flash point 57.78 ℃.Vapor ceev 2.51.Vapor siab 0.49kpa (3.7mmHg25 ℃).Nws pib-ignition point yog 445 ° C.Qhov tawg txwv ntawm vapor thiab huab cua sib tov yog 2.2 txog 15.2%.Nyob rau hauv rooj plaub uas qhib nplaim taws thiab kub kub, nws yuav ua rau combustion thiab tawg.Nws tuaj yeem hnov ​​​​mob hnyav nrog cov concentrated sulfuric acid thiab fuming nitric acid thiab txawm tawg.Nws yog miscible nrog dej thiab feem ntau cov kuab tshuaj organic.Nws yog ib qho hnyav rau cov tshuaj tiv thaiv.Ntshiab N, N-DIMETHYLFORMAMIDE tsis muaj ntxhiab, tab sis qib kev lag luam lossis lwj N, N-DIMETHYLFORMAMID muaj ntxhiab tsw vim nws muaj dimethylamine impurities.

    CAS: 68-12-2 Nr

  • Chaw tsim tshuaj paus Zoo Nqe DMTDA CAS: 106264-79-3

    Chaw tsim tshuaj paus Zoo Nqe DMTDA CAS: 106264-79-3

    DMTDA yog ib hom tshiab ntawm polyurethane elastomer curing cross-linking tus neeg saib xyuas, DMTDA feem ntau yog ob isomers, 2,4- thiab 2,6-dimethylthiotoluenediamine sib tov (tus piv yog hais txog Chemicalbook77 ~ 80/17 ~ 20), piv nrog cov feem ntau siv. MOCA, DMTDA yog cov kua nrog qis viscosity ntawm chav tsev kub, DMTDA tuaj yeem tsim nyog rau kev tsim kho ntawm qhov kub thiab txias thiab muaj qhov zoo ntawm cov tshuaj sib npaug.

    CAS: 106264-79-3 Nr

  • Tuam Tshoj Tus Nqi Zoo Potassium Phosphate (Dibasic) CAS: 7758-11-4

    Tuam Tshoj Tus Nqi Zoo Potassium Phosphate (Dibasic) CAS: 7758-11-4

    Dipotassium phosphate (K2HPO4) yog ib qho chaw ntawm phosphorus thiab potassium, uas feem ntau siv los ua chiv.Dipotassium phosphate kuj tau siv dav hauv kev lag luam zaub mov, xws li cov khoom noj khoom haus thiab cov khoom siv electrolyte ntxiv rau kev ua haujlwm ntxiv.Lwm qhov kev siv ntawm dipotassium phosphate yog raws li tshuaj, uas ua hauj lwm raws li ib tug diuretic los yog laxative.Tsis tas li ntawd, Dipotassium phosphate yog ua hauj lwm nyob rau hauv zus tau tej cov imitation mis nyuj creamers los tiv thaiv coagulation thiab siv nyob rau hauv tej hmoov los npaj dej haus.Tsis tas li ntawd, Dipotassium phosphate feem ntau pom nyob rau hauv cov chaw soj nstuam tshuaj rau kev tsim cov kev daws teeb meem tsis zoo thiab trypticase soy agar uas yog siv los ua cov phaj agar rau cov kab mob culturing.

    CAS: 7758-11-4 Nr

  • Tuam Tshoj Tus Nqi Zoo Glycine Khoom noj khoom haus qib CAS: 56-40-6

    Tuam Tshoj Tus Nqi Zoo Glycine Khoom noj khoom haus qib CAS: 56-40-6

    Glycine: Dawb monocrystalline lossis hexagonal crystals, lossis crystalline hmoov.Tsis muaj ntxhiab tsw, tshwj xeeb qab zib.Nws tuaj yeem so cov kua qaub thiab alkali tsw, npog qhov iab ntawm kev ntxiv qab zib rau cov zaub mov, thiab txhim kho qhov qab zib.Relatively ntom 1.1607 melting point 248 ° C (tsim roj thiab decomposition).Nws yog ib qho yooj yim qauv hauv cov amino acid series thiab tsis tsim nyog tib neeg lub cev.Nws muaj acidic thiab alkaline ua haujlwm pab pawg hauv cov molecule.Nws yog ib qho muaj zog electrolyte hauv cov kua dej aqueous., Yooj yim rau yaj hauv dej, yaj hauv dej: 25g / 100ml ntawm 25 ° C;67.2g / 100ml ntawm 50 ° C. 25 ° C).Nws nyuaj heev kom yaj hauv ethanol (0.06g / 100g dej tsis muaj ethanol).Yuav luag insoluble hauv cov kuab tshuaj xws li acetone thiab ether.React nrog hydrochloride los tsim ntsev hydrochloride.
    Glycine zaub mov qib CAS: 56-40-6
    Khoom npe: Glycine zaub mov qib

    CAS: 56-40-6 Nr

  • Chaw tsim tshuaj paus Zoo Nqe Resveratrol 50% CAS: 501-36-0

    Chaw tsim tshuaj paus Zoo Nqe Resveratrol 50% CAS: 501-36-0

    Ib qho resveratrol yog ib yam tshuaj antioxidant uas tuaj yeem txo cov ntshav viscosity, inhibit platelet condensation thiab cov hlab ntsha, thiab ua kom cov ntshav tsis txhob thaiv.Resveratrol tuaj yeem tiv thaiv qhov tshwm sim thiab kev loj hlob ntawm qog noj ntshav.Kev tiv thaiv thiab kho mob plawv, hyperlipidemia.Lub luag haujlwm ntawm inhibiting qog kuj muaj cov tshuaj estrogen-zoo li, uas tuaj yeem siv los kho cov kab mob xws li ChemicalBook cancer mis.Resveratrol tuaj yeem ncua kev laus thiab tiv thaiv qog noj ntshav.Resveratrol muaj cov ntsiab lus siab hauv cov txiv hmab txiv ntoo liab, liab cawu cub thiab kua txiv hmab txiv ntoo.Cov kev tshawb fawb tau pom tias kev ncaj ncees ntawm chromosomes yuav raug rhuav tshem nrog kev laus ntawm tib neeg, thiab resveratrol tuaj yeem ua kom muaj protein ntau Sirtuin uas kho chromosome noj qab haus huv, yog li ncua kev laus.

    Chemical zog: saj tsis qab, dawb hmoov, yaj tag hauv ethanol.

    CAS: 501-36-0 Nr

  • Chaw tsim tshuaj paus Zoo Nqe Combined polyether CAS: 9082-00-2

    Chaw tsim tshuaj paus Zoo Nqe Combined polyether CAS: 9082-00-2

    Ua ke polyether yog ib qho ntawm cov khoom siv tseem ceeb ntawm polyurethane tawv npuas, tseem hu ua cov khoom siv dawb, thiab hu ua cov khoom siv dub dawb nrog polymer MDI.Nws yog tsim los ntawm ntau yam khoom xws li polyether, uniform foaming agent, linked agent, catalyst, foaming agent thiab lwm yam khoom.Nws yog qhov tsim nyog rau ntau lub sijhawm uas yuav tsum tau khaws cov rwb thaiv tsev thiab khaws cia cov rwb thaiv tsev txias thiab txias.
    Polyether CAS NO: 9082-00-2
    Series: Ua ke polyether 109C / Combined polyether 3126 / Ua ke polyether 8079

    CAS: 9082-00-2 Nr

  • Chaw tsim tshuaj paus Zoo Nqe 30% Enzymolysis Alginic Acid Microparticles CAS: 1806241-263-5

    Chaw tsim tshuaj paus Zoo Nqe 30% Enzymolysis Alginic Acid Microparticles CAS: 1806241-263-5

    Suav lub npe: seaweed extract, English lub npe: Seaweedextract [Cov khoom xyaw tseem ceeb] algae gum, crude protein, ntau cov vitamins, enzymes thiab kab kawm.[Chemicalbook extract source] Seaweed.[Physical Character] Dub Flakes.[Pharmacological teebmeem] Seaweed yog siv rau softness;tshem tawm phlegm;pab dej;o.

    CAS: 1806241-263-5 Nr

  • Chaw tsim tshuaj paus Zoo Nqe Melamine CAS: 108-78-1

    Chaw tsim tshuaj paus Zoo Nqe Melamine CAS: 108-78-1

    Melamine-formaldehyde resin (MFR) yog cov khoom muaj zog ntawm cov plasters muaj zog.Kev hnov ​​​​mob tau tshaj tawm hauv cov kws tshaj lij hauv chav plaster, uas tau siv cov khoom siv hluav taws xob ntxiv pIaster casts, thiab hauv cov kws kho hniav.Melamine tau muaj nyob rau hauv cov hniav muaj zog pIaster siv rau moldings.Siv los ua textile tiav res hauv, Melamine kuj tau pom tias yog ib qho tsis haum rau cov poj niam uas hloov khaub ncaws hauv khw.Melamine kuj tso tawm formaldehyde, uas tej zaum yuav yog tus sensitizer.

    CAS Nr .: 108-78-1

  • Chaw tsim tshuaj paus Zoo Nqe SEAWEED EXTRACT FLAKES 18% CAS: 1806241-263-5

    Chaw tsim tshuaj paus Zoo Nqe SEAWEED EXTRACT FLAKES 18% CAS: 1806241-263-5

    Seaweed yog cov nroj tsuag qub tshaj plaws hauv ntiaj teb.Nws tsis muaj cag, tsis muaj paj thiab tsis muaj txiv hmab txiv ntoo.Seaweed tau absorbed los ntawm dej hiav txwv thiab muaj asexual reproduction los ntawm spores.SESMOLLIENT yog cov khoom siv roj ntsha ntshiab huv marine.Nws muaj algae, crude protein, ntau yam vitamins, enzymes thiab kab kawm.Muaj ntau qhov zoo ntawm seaweed extracts.Nws muaj cov txiaj ntsig zoo ntawm Chemicalbook moisturizing cov teebmeem hauv kev npaj cov plaub hau, uas tuaj yeem ua rau cov xim thiab softness ntawm cov plaub hau, txo cov plaub hau zoo li qub, txhim kho cov plaub hau sib cais, thiab ua kom cov plaub hau txias.Nws muaj cov teebmeem ntawm moisturizing, lubrication thiab wrinkle, thiab muaj qee yam kev cuam tshuam ntawm cov kab mob tua kab mob, tiv thaiv-inflammatory thiab txhawb qhov txhab kho.kuv lub teb chaws siv seaweed los kho mob plab ua ntej 3000 AD;Cov Polynesians thaum ub siv ntau qhov txhab, raug mob thiab pob nrog seaweed kho mob.

    CAS: 1806241-263-5 Nr

  • Tuam Tshoj Tus Nqi Zoo Glycine Muaj Qib CAS: 56-40-6

    Tuam Tshoj Tus Nqi Zoo Glycine Muaj Qib CAS: 56-40-6

    Glycine: amino acid (qib kev lag luam) Molecular mis: C2H5NO2 Molecular nyhav: 75.07 Dawb monoclinic system los yog hexagonal siv lead ua, los yog dawb crystalline hmoov.Nws yog odorless thiab muaj ib tug tshwj xeeb qab zib saj.Tus txheeb ze ntom ntom 1.1607.Melting point 248 ℃ (decomposition).PK & rsquo;1(COOK) yog 2.34, PK & rsquo;2(N + H3) yog 9.60.Soluble hauv dej, solubility hauv dej: 67.2g / 100ml ntawm 25 ℃;39.1g / 100ml ntawm 50 ℃;54.4g / 100ml ntawm 75 ℃;67.2g / 100ml ntawm 100 ℃.Nws yog qhov nyuaj heev kom yaj hauv ethanol, thiab txog 0.06g yog yaj hauv 100g ntawm ethanol kiag li.Yuav luag insoluble hauv acetone thiab ether.Reacts nrog hydrochloric acid los tsim hydrochloride.PH (50 g / L tov, 25 ℃) = 5.5 ~ 7.0
    Glycine amino acid CAS 56-40-6 Aminoacetic acid
    Khoom npe: Glycine

    CAS: 56-40-6 Nr