Shaanxi BLOOM Tech Co., Ltd. yog ib qho ntawm cov tuam ntxhab thiab cov muag khoom ntawm sodium n-(hydroxymethyl)glycinate cas 70161-44-3 hauv Suav teb. Txais tos rau cov lag luam wholesale zoo siab sodium n-(hydroxymethyl) glycinate cas 70161-44-3 rau muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.
Sodium N{0}}(hydroxymethyl)glycinate(SHMG) yog cov tshuaj muaj tshuaj molecular formula C3H8NNaO3 thiab CAS 70161-44-3. Nws lub cev lub cev yog manifested raws li ib tug 50% sodium hydroxymethylglycinate aqueous tov nrog ib tug tsim nyog pH nqi, uas yog vim lub intertermolecular kev sib tshuam thiab siv lead ua qauv uas muab nws cov yam ntxwv ua kua. Tsis tas li ntawd, vim muaj cov hydroxyl thiab amino pawg hauv nws cov molecules, nws muaj zog hygroscopicity thiab tuaj yeem nqus dej noo los ntawm huab cua. Yog li ntawd, nws yuav tsum tau them sai sai rau cov av noo thaum lub sij hawm cia thiab siv. Nws muaj cov dej solubility zoo thiab tuaj yeem yaj hauv dej ntawm chav tsev kub, tsim cov kua dej ntshiab. Nyob rau tib lub sijhawm, nws tuaj yeem yaj hauv cov kuab tshuaj organic xws li cawv thiab ethers, qhia txog kev solubility zoo. Qhov no muab kev yooj yim rau nws siv dav hauv kev siv tswv yim. Conductivity yog lub peev xwm ntawm ib yam khoom los hloov hluav taws xob tam sim no. Cov compound no yog ib qho ionic compound nrog zoo conductivity.
Nws conductivity muaj feem xyuam rau cov concentration, kub, thiab thov voltage ntawm cov tshuaj. Hauv kev siv cov tswv yim, nws cov conductivity tuaj yeem siv rau cov tshuaj tiv thaiv electrochemical thiab kev ua haujlwm electroplating. Nws tseem tuaj yeem siv rau hauv thaj chaw xws li kev ua liaj ua teb, kev tiv thaiv ib puag ncig, thiab kev kho dej. Piv txwv li, nws tuaj yeem ua ib qho kev sib koom ua ke rau cov tshuaj tua kab, txhim kho lawv cov kev ua tau zoo; Nws kuj tuaj yeem siv rau kev kho dej phwj thiab kev kho roj pa hauv ib puag ncig engineering; Tsis tas li ntawd, vim nws cov dej zoo solubility thiab ruaj khov, nws kuj tuaj yeem siv los ua tus neeg saib xyuas dej rau kev kho cov dej hauv dej thiab boiler dej. Nws tuaj yeem siv rau cov plaub hau, khoom siv tawv nqaij, thiab lwm yam. Nws kuj tuaj yeem siv rau hauv cov tshuaj pleev ib ce thiab tshuaj ntxuav tes xws li tshuaj zawv plaub hau, perm, dye, txias, xab npum, tshuaj zawv plaub hau, thiab lwm yam. Cov nyiaj ntxiv yog 0.2-0.6%. Nta: Cov khoom no tseem ruaj khov hauv cov kev daws teeb meem nrog pH ntawm 3-12, ua rau nws tsim nyog siv rau hauv cov tshuaj pleev ib ce uas muaj alkaline thiab cov khoom ntxhua khaub ncaws.
|
C.F |
C3H6NaO3 |
|
E.M |
293 |
|
M.W |
293 |
|
m/z |
127 (100.0%), 128 (3.2%) |
|
E.A |
C, 28,36; H, 4,76; N, 11.02; Nws, 18.09; 37,77 ib |
|
Kev ruaj ntseg |
incompatible nrog muaj zog oxidizing neeg sawv cev |
|
Cov khoom txaus ntshai kos npe |
Xn |
|
Hazard qeb code |
22-36 |
|
Cov lus qhia kev nyab xeeb |
26 |
|
|
|
Sodium N{0}}(hydroxymethyl)glycinate(tshuaj formula: C3H6NNaO3, CAS naj npawb: 70161-44-3) yog hydroxymethylated derivative nrog glycine ua cov pob txha. Cov hydroxymethyl (-CH₂OH) thiab sodium carboxylate pawg (- COONa) nyob rau hauv nws cov qauv molecular endowed nrog nws cov tshuaj tshwj xeeb. Raws li qhov dav-spectrum preservative, hlau chelating tus neeg sawv cev, thiab kev ua haujlwm nruab nrab, qhov sib xyaw no tau pom muaj txiaj ntsig zoo hauv ntau yam xws li tshuaj lom neeg niaj hnub, khoom noj khoom haus, tshuaj, papermaking, textile, thiab dej kho.
1. Alkaline tshuaj pleev ib ce tiv thaiv -corrosion system
Sodium N-hydroxymethylglycinate yog ib qho tshuaj uas siv dav hauv cov tshuaj pleev ib ce alkaline (pH 3-12), nrog rau kev pom zoo noj ntawm 0.2% -0.6% (raws li 50% aqueous tov). Nyob rau hauv cov khoom muaj zog alkaline xws li tshuaj zawv plaub hau, perm, plaub hau zas plaub hau, txias, xab npum, thiab tshuaj zawv plaub hau, cov tshuaj no tuaj yeem cuam tshuam kev loj hlob ntawm Gram zoo kab mob, Gram tsis zoo cov kab mob, cov poov xab, thiab pwm, ncua lub txee lub neej ntawm cov khoom. Piv txwv li, hauv cov tshuaj zawv plaub hau uas muaj cov tshuaj surfactants, 0.5% sodium hydroxymethylglycinate tuaj yeem txo qhov kev pheej hmoo ntawm cov kab mob microbial thaum tswj cov qauv kev ruaj ntseg.
Mechanism ntawm kev ua: Hydroxymethyl pawg inhibit protein synthesis los ntawm kev cuam tshuam cov qauv ntawm microbial cell membranes; Cov pab pawg sodium carboxylate txhim kho nws txoj kev sib raug zoo nrog cov khoom alkaline, tsis txhob los nag lossis stratification. Kev sim tau pom tias cov tshuaj tua kab mob muaj 99.7% inhibition ntawm Escherichia coli hauv 28 hnub hauv cov tshuaj zawv plaub hau nrog pH ntawm 10.
2. Formula neutralization thiab compatibility optimization
Nws tuaj yeem siv los ua tus neeg sawv cev nruab nrab los kho cov tshuaj acidic (xws li citric acid thiab lactic acid) hauv cov mis thiab sib npaug pH tus nqi. Nws qhov zoo dua yog tias nws tau sib xws nrog cov khoom siv tshuaj pleev ib ce feem ntau (xws li surfactants, roj, essence), thiab tsis tsim flocculation lossis discoloration. Piv txwv li, hauv cov tshuaj ntxuav tes uas muaj cov amino acid surfactants, ntxiv 0.3% ntawm cov tshuaj no tuaj yeem cuam tshuam cov acidity seem thiab txhim kho cov khoom me me.
Kev txwv daim ntawv thov: tsis txhob sib xyaw nrog cov kua qaub daj / sulfonic acid surfactants, xab npum raws li cov tshuab thiab cov khoom uas muaj cov hlau ion / aldehyde raws li cov ntsiab lus, txwv tsis pub nws yuav ua rau cov xim hloov lossis ua kom txo qis.
Kev lag luam zaub mov: muaj kev nyab xeeb thiab muaj txiaj ntsig los tiv thaiv- cov tshuaj tiv thaiv corrosion
1. Cov qauv kev txuag zaub mov thiab ntau npaum li cas
Raws li Suav "Cov Qauv Kev Nyab Xeeb rau Kev Siv Cov Khoom Noj Ntxiv" (GB 2760-1996) thiab FAO / WHO cov cai, qhov siab tshaj plaws ntawm kev siv tshuajsodium N{0}}(hydroxymethyl)glycinatehauv cov khoom noj yog raws li nram no:
Dej khov: 0.3 g / kg
Yog ': 2.5 g / kg
Instant noodles / noodles: 0.2 g / kg
Khoom noj khoom haus: 0.5 g / kg
Qhov hnyav: 1.0g / kg
Cov kaus poom sardine: 20 g / kg
Frozen ntses strips / chunks: txwv rau GMP (Kev Ua Zoo Zoo)
Mechanism ntawm kev ua: Los ntawm cuam tshuam cov permeability ntawm microbial cell membranes, inhibiting enzyme kev ua thiab DNA replication, dav -spectrum antibacterial teebmeem yog tiav.
Kev sim tau pom tias nyob rau hauv jam nrog pH ntawm 4.5, ib qho ntxiv 1.0% tuaj yeem txo qhov kev loj hlob ntawm cov kab mob fungal los ntawm 98%.
2. Kev nyab xeeb thiab lwm yam zoo
Piv nrog rau cov tshuaj preservatives xws li sodium benzoate thiab potassium sorbate, sodium hydroxymethylglycinate muaj cov hauv qab no zoo:
Low toxicity: LD ₅₀ (oral administration to rats)>5000 mg/kg, uas belongs rau qhov tseeb tsis yog - qib tshuaj lom;
Kev ruaj ntseg: Tswj kev ua haujlwm hauv qhov kub siab (121 degree) thiab acidic / alkaline tej yam kev mob;
Tsis muaj ntxhiab tsw: tsis cuam tshuam rau qhov tsw ntawm cov zaub mov, tshwj xeeb tshaj yog tsim rau cov khoom rhiab xws li yogurt thiab seasoning sauce.
Lub luag hauj lwm dual ntawm intermediates thiab formulation stability nyob rau hauv lub chaw ua tshuaj
1. Synthesis ntawm kws tshuaj intermediates
Nws yog ib qho tseem ceeb nruab nrab rau kev sib txuas ntawm bioactive compounds. Piv txwv li:
Cov tshuaj chiral: cov nruab nrab tseem ceeb rau cov tshuaj tiv thaiv kab mob (xws li oseltamivir) yog tsim los ntawm kev cuam tshuam nrog chiral amines;
Hlau complex: Ib qho chaw ruaj khov tsim nrog zinc thiab tooj liab ions, siv los ua cov khoom siv hauv kev npaj cov tshuaj tiv thaiv kab mob (xws li magnesium aluminium carbonate).
Synthesis case: Nyob rau hauv kev npaj ntawm ib tug nruab nrab rau cov tshuaj antidepressant fluoxetine, sodium N-methylglycinate tuaj yeem ua raws li hydroxymethyl pub thiab tau txais cov tshuaj tiv thaiv condensation nrog aromatic amines, nrog cov txiaj ntsig ntawm 92%.
2. Sab nrauv los tiv thaiv- kev npaj ua kom xeb
Hauv qab zib, gel thiab lwm yam tshuaj pleev ib ce, 0.1% -0.3% sodium N-hydroxymethylglycine tuaj yeem hloov cov tshuaj preservatives (xws li paraben) kom txo tau cov tawv nqaij khaus. Piv txwv li, nyob rau hauv cov tshuaj hormones uas muaj cov tshuaj tiv thaiv kab mob, cov tshuaj no tuaj yeem tswj xyuas kev ruaj ntseg thaum txo kev pheej hmoo ntawm kev tsis haum tshuaj.
Daim Ntawv Kev Lag Luam: Cov Neeg Ua Haujlwm ntub dej thiab ib puag ncig Efficiency Enhancers
1. Kev txhim kho ntawm lub zog ntub ntawm daim ntawv
Raws li tus neeg sawv cev ntub dej, nws tuaj yeem txhim kho lub zog ntub ntawm daim ntawv los ntawm kev tsim cov ntawv cog lus nrog hydroxyl pawg hauv cellulose molecules los ntawm pawg hydroxymethyl. Piv txwv li, hauv kev tsim cov ntawv tso quav tso quav, ntxiv 1.5% ntawm qhov sib xyaw no tuaj yeem ua rau lub zog tensile los ntawm 40%, ua kom tau raws li qhov xav tau ntawm kev siv hauv qhov chaw ntub dej.
Kev ua kom zoo tshaj plaws: Thaum siv ua ke nrog polyamide epichlorohydrin (PAE) tus neeg sawv cev ntub dej, tus nqi ntawm PAE tuaj yeem raug txo los ntawm 30%, thaum txo qhov kev pheej hmoo ntawm formaldehyde tso tawm.
2. Kev tiv thaiv ib puag ncig thiab tus nqi zoo
Piv rau cov tshuaj ntub dej ib txwm muaj xws li melamine formaldehyde resin,sodium N{0}}(hydroxymethyl)glycinatemuaj qhov zoo hauv qab no:
Formaldehyde dawb: zam VOCs emissions thiab ua raws li ib puag ncig cov cai;
Tsawg corrosiveness: Tsis muaj qhov cuam tshuam loj rau cov khoom siv papermaking, txuas cov cuab yeej siv lub neej;
Tus nqi siv tau: Tus nqi tsev yog kwv yees li 60% ntawm PAE, thiab tus nqi ntxiv yog qis dua.
Kev Lag Luam Textile: Tom qab ua tiav thiab ua haujlwm hloov kho
1. Wrinkle kuj thiab txhais tes xav tias kev txhim kho ntawm cov ntaub
Nws tuaj yeem siv rau kev ua tiav ntawm cov fibers ntuj xws li paj rwb thiab linen. Los ntawm reacting nrog hydroxyl pawg nyob rau hauv fibers, ib tug ntoo khaub lig-linked qauv yog tsim los txhim khu lub wrinkle resistance thiab seem stability ntawm cov ntaub. Piv txwv li, nyob rau hauv lub tsho ntaub ua, ntxiv 2% ntawm no compound yuav ua rau kom lub crease rov qab los ntawm 30℃thaum tuav ntaub softness.
Cov txheej txheem txheej txheem: Tom qab immersion dov txoj kev (concentration 50 g / L, kub 80 degree, lub sij hawm 3 feeb), qhov zoo tshaj plaws nyhuv yog tiav los ntawm ci ntawm 160℃rau 1 feeb.
2. Environmentally friendly dyeing auxiliaries
Raws li tus pab dyeing, nws tuaj yeem txhawb kev khi ntawm dyes thiab fibers, thiab txhim kho cov xim uptake tus nqi. Piv txwv li, nyob rau hauv tus txheej txheem ntawm dyeing paj rwb nrog reactive dyes, ntxiv 1% ntawm cov compound no yuav ua rau kom cov dye siv tus nqi ntawm 15% thiab txo tus nqi COD ntawm cov dej khib nyiab.
1. Hlau corrosion inhibitors
Cov yeeb yaj kiab tiv thaiv tuaj yeem tsim los ntawm cov hlau nto los ntawm cov pab pawg hydroxymethyl los tiv thaiv corrosion. Piv txwv li, nyob rau hauv ib tug circulating dej txias system, ntxiv 50 mg / L ntawm cov compound no yuav txo tau cov corrosion ntawm carbon steel los ntawm 80%, uas yog zoo dua li ib txwm corrosion inhibitors xws li zinc ntsev.
Mechanism ntawm kev ua: Cov pab pawg sodium carboxylate txhim kho nws cov dispersibility hauv dej, thaum pawg hydroxymethyl tsim ib qho chaw ruaj khov nrog Fe ² ⁺ / Fe ³ ⁺ los tiv thaiv oxidation cov tshuaj tiv thaiv.
2. Cov khoom siv hlau chelate
Qhov sib xyaw no tuaj yeem tsim cov txheej txheem soluble nrog cov hlau ions xws li Ca ² ⁺ thiab Mg ² ⁺ los tiv thaiv kev tsim cov nplai. Piv txwv li, hauv boiler dej kho, ntxiv 10 mg / L sodium hydroxymethylglycinate tuaj yeem txo cov calcium hardness (xws li CaCO3) los ntawm 300 mg / L mus rau qis dua 50 mg / L, txo qhov kev pheej hmoo ntawm scaling.
1. Cov tshuaj ntxiv zog
Raws li ib tug derivative ntawm glycine, nws muaj peev xwm koom nyob rau hauv tib neeg amino acid metabolism thiab ntxiv dag zog rau kev siv nyiaj tom qab kev tawm dag zog. Piv txwv li, ntxiv 0.5% ntawm qhov sib xyaw no rau cov dej haus kis las tuaj yeem ua rau cov leeg glycogen synthesis nce li 20% thiab ncua kev qaug zog.
2. Agricultural synergists
Ntxiv 0.1% -0.3% sodium hydroxymethylglycinate rau cov chiv tuaj yeem txhim kho kev siv chiv los ntawm chelating kab kawm (xws li Zn thiab Fe) hauv av. Cov kev sim tau pom tias kev sib xyaw ua ke no hauv cov chiv foliar tuaj yeem ua rau nce qoob loo los ntawm 8% -12%.
Sodium N{0}}(hydroxymethyl)glycinateyog ib qho kev siv tshuaj tua kab mob thiab tshuaj tua kab mob, dav siv hauv tshuaj pleev ib ce, cov khoom tu tus kheej, thiab cov tshuaj formulations. Muaj ob txoj hauv kev tseem ceeb rau nws txoj kev sib txuas, uas yog txoj kev chloroform thiab txoj kev sodium glycine.
1. Txoj kev chloroformaldehyde
CH2(NH2) COV + CH2O + NaOH → C3H8NPO3 + NH3 ↑+H2O
Txoj kev Chloroformaldehyde yog ib qho ntawm cov txheej txheem kev sib xyaw ua ke rau Sodium hydroxide glycinate, nrog cov kauj ruam hauv qab no:
Kauj Ruam 1: Npaj glycine
Ntxiv qhov tsim nyog ntawm glycine rau dej, do kom txog thaum nws yaj tag, ces maj mam ntxiv sodium hydroxide tov dropwise kom nce pH tus nqi ntawm cov tshuaj rau 9.0-10.0, thaum tsis tu ncua stirring. Tom qab cov tshuaj tiv thaiv tiav, lim cov kua glycine tau thiab tshem tawm cov impurities.
CH2(NH2)COOH + NaOH → CH2(NaO2COOH + NH3 ↑
Kauj Ruam 2: Kev Npaj N-hydroxymethylglycine
Maj mam ntxiv chloroform dropwise rau cov tshuaj glycine thaum nplawm tas li, thiab tswj cov tshuaj tiv thaiv kub ntawm 0-5℃. Tom qab cov tshuaj tiv thaiv tiav, lim cov tau txais N-hydroxymethylglycine thiab tshem tawm impurities.
CH2O + CH2(NaO2COOH → CH2(OH) CH2(NaO2) COJ
Kauj Ruam 3: Npaj Sodium hydroxide glycinate
Ntxiv N-hydroxymethylglycine tov rau hauv qhov tsim nyog ntawm sodium hydroxide tov, kho tus nqi pH rau 10.0-11.0, thiab tom qab ntawd kub cov tshuaj tiv thaiv rau 2 teev. Tom qab cov tshuaj tiv thaiv tiav, lim thiab tshem tawm cov impurities los ntawm Sodium hydroxide glycinate daws.
CH2(OH) CH2(NaO2)COOH + NaOH → C3H8NNaO3 + H2O
2. Sodium glycine txoj kev
CH2(NaO2)COOH + 2 NaOH + CH3I → C3H8NPO3+ CH3NH2↑ + CO2 ↑+ H2O
Txoj kev sodium glycine yog lwm txoj kev sib txuas ntawm Sodium hydroxide glycinate, nrog rau cov kauj ruam hauv qab no:
Kauj Ruam 1: Npaj N, N-dimethylglycine disodium
Ntxiv sodium glycine, methyl iodine, thiab qhov tsim nyog ntawm sodium hydroxide tov rau cov hlab ntsha, tswj cov tshuaj tiv thaiv kub ntawm 70-80℃, thiab txuas ntxiv do. Tom qab cov tshuaj tiv thaiv tiav, lim cov tau txais N, N-dimethylglycine disodium thiab tshem tawm impurities.
CH2(NaO2)COOH + 2 NaOH + CH3I → NaO2CCH2N (CH3)2COV + H2O
Kauj Ruam 2: Npaj Sodium hydroxide glycinate
Ntxiv N, N-dimethylglycine disodium tov rau qhov tsim nyog cov tshuaj sodium hydroxide, tswj pH tus nqi ntawm 10.0-11.0, thiab tom qab ntawd kub cov tshuaj tiv thaiv rau 1 teev. Tom qab cov tshuaj tiv thaiv tiav, lim thiab tshem tawm cov impurities los ntawm Sodium hydroxide glycinate daws.
NaO2CCH2N (CH3)2COONa + NaOH → C3H8NPO3+ CH3NH2 ↑
Cim npe nrov: sodium n{0}}(hydroxymethyl)glycinate cas 70161-44-3, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom