Cov kua dej cawv Benzyl ntuj
Cawv benzyl ntuj yog ib qho tshuaj uas pom muaj nyob rau hauv ntau yam nroj tsuag thiab txiv hmab txiv ntoo, suav nrog paj txiv kab ntxwv, ylang-ylang, jasmine, gardenia, acacia, lilac, thiab hyacinth. Nws yog ib qho kua tsis muaj xim nrog ib qho aroma qab zib, thiab feem ntau siv rau hauv kev lag luam tshuaj tsw qab thiab tsw qab. Cawv benzyl ntuj kuj tuaj yeem pom muaj nyob rau hauv cov roj tseem ceeb thiab siv ua ib qho tshuaj tiv thaiv hauv qee cov khoom siv pleev ib ce thiab khoom siv tu tus kheej. Nws feem ntau suav tias muaj kev nyab xeeb rau kev siv hauv cov ntawv thov no thaum siv rau hauv cov concentration tsim nyog.Tiv tauj peb kom paub ntxiv:grace@biowaycn.com.
Cov Khoom Siv Tshuaj ntawm Benzyl Cawv
Melting point: -15 ° C
Kub taw tes: 205 ° C
Qhov Ceev: 1.045g / mLat25 ° C (lit.)
Qhov ceev ntawm cov pa: 3.7 (vsair)
Siab ntawm cov pa: 13.3mmHg (100°C)
Refractive index: n20 / D1.539 (lit.)
FEMA:2137|BENZYLALCOHOL
Qhov kub hnyiab: 201°F
Cov xwm txheej cia khoom: Khaws cia ntawm + 2 ° C rau + 25 ° C.
Kev yaj: H2O: 33mg / mL, meej, tsis muaj xim
Daim Ntawv: Kua
Cov coefficient ntawm acidity (pKa):14.36±0.10 (Kwv yees)
Xim: APHA: ≤20
Tus txheeb ze polarity: 0.608
Tsw: Me me, qab ntxiag.
Hom tshuaj tsw qab: paj
Kev txwv tsis pub tawg: 1.3-13% (V)
Muaj peev xwm hydrolysis: 4.29g/100mL (20ºC)
Merck:14,1124
CAS cov ntaub ntawv: 100-51-6
1. Kua tsis muaj xim;
2. Qab zib, tsw qab ntxiag;
3. Pom muaj nyob rau hauv ntau yam nroj tsuag thiab txiv hmab txiv ntoo;
4. Siv rau hauv kev lag luam tshuaj tsw qab thiab tsw qab;
5. Muaj nyob rau hauv cov roj tseem ceeb;
6. Siv ua ib yam khoom siv tiv thaiv hauv cov khoom siv pleev kom zoo nkauj thiab cov khoom siv tu tus kheej.
Siv ua cov kuab tshuaj hauv ntau yam kev siv;
Ua haujlwm ua cov khoom xyaw tsw qab hauv cov tshuaj tsw qab thiab cov tshuaj pleev ib ce;
Ua haujlwm ua tus neeg sawv cev tsw qab hauv cov khoom noj khoom haus;
Ua haujlwm ua ib qho tshuaj preservative hauv cov khoom siv tu tus kheej;
Yuav siv tau ua ib qho nruab nrab hauv kev tsim cov tshuaj lwm yam;
Cov cawv benzyl ntuj muaj ntau yam kev siv, suav nrog:
1. Kev lag luam tshuaj tsw qab thiab saj:Nws yog siv ua cov khoom xyaw tsw qab hauv cov tshuaj tsw qab, cov tshuaj pleev ib ce, thiab xab npum. Nws kuj yog ib qho tseem ceeb hauv kev tsim cov ntxhiab tsw xws li jasmine, hyacinth, thiab ylang-ylang.
2. Cov khoom siv pleev kom zoo nkauj thiab cov khoom siv tu tus kheej:Nws ua haujlwm ua ib qho tshuaj preservative hauv ntau yam khoom siv pleev ib ce thiab khoom siv tu tus kheej, xws li tshuaj pleev, tshuaj pleev, thiab tshuaj zawv plaub hau.
3. Kev tsim tshuaj lom neeg hauv kev lag luam:Nws yog siv ua cov kuab tshuaj hauv kev tsim cov tshuaj pleev xim, xim pleev, thiab kua mem. Nws kuj pom cov ntawv thov hauv kev tsim cov tshuaj, cov khoom siv hluavtaws, thiab cov tshuaj txhaj vitamin B.
4. Lwm yam kev siv:Cawv benzyl ntuj siv ua tus neeg sawv cev ziab hauv kev tsim cov nylon, cov fibers, thiab cov yas zaj duab xis. Nws kuj tseem siv rau hauv kev tsim cov xim, cellulose esters, thiab ua ib qho nruab nrab rau benzyl esters lossis ethers. Tsis tas li ntawd, nws siv rau hauv kev tsim cov cwj mem ballpoint thiab ua ib qho tsw qab rau zaub mov ib ntus.
Kev Yuav Khoom:Cawv benzyl ntuj yog los ntawm cov nroj tsuag thiab paj uas muaj cov tshuaj no, xws li jasmine, ylang-ylang, thiab lwm yam nroj tsuag uas muaj ntxhiab tsw qab.
Kev rho tawm:Cov txheej txheem rho tawm tuaj yeem ua tiav los ntawm kev siv cov txheej txheem xws li kev rho tawm los ntawm cov pa lossis kev rho tawm cov kuab tshuaj. Hauv kev rho tawm los ntawm cov pa, cov khoom cog ntoo raug rau cov pa, uas ua rau cov roj tseem ceeb uas muaj benzyl cawv raug tso tawm. Cov roj tseem ceeb thiab dej sib xyaw ua ke ces raug cais tawm, thiab cov roj tseem ceeb raug sau.
Kev ntxuav kom huv:Cov roj tseem ceeb uas tau sau los yuav raug ua kom huv ntxiv kom cais tau cov cawv benzyl. Qhov no yuav suav nrog cov txheej txheem xws li kev sib cais ua feem lossis kev sib cais cov kuab tshuaj kom tau txais cov cawv benzyl uas muaj zog dua.
Kev ziab (yog tias tsim nyog):Qee zaum, cov cawv benzyl yuav raug ziab kom tshem tawm cov dej noo uas tseem tshuav, ua rau muaj cov hmoov ntawm cov cawv benzyl ntuj.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias kev tsim cov cawv benzyl ntuj yuav tsum tau ua tiav nrog kev paub, kev txawj ntse, thiab kev ua raws li cov lus qhia kev nyab xeeb, tshwj xeeb tshaj yog thaum ua haujlwm nrog cov roj tseem ceeb thiab cov tshuaj ntsuab.
Ntim Khoom Thiab Kev Pabcuam
Ntim Khoom
* Lub Sijhawm Xa Khoom: Nyob ib ncig ntawm 3-5 hnub ua haujlwm tom qab koj them nyiaj.
* Pob: Hauv cov nruas fiber nrog ob lub hnab yas sab hauv.
* Qhov hnyav tag nrho: 25kgs / nruas, Qhov hnyav tag nrho: 28kgs / nruas
* Qhov Loj thiab Ntim ntawm Lub Nruas: ID42cm × H52cm, 0.08 m³/ Lub Nruas
* Kev Cia Khoom: Khaws cia rau hauv qhov chaw qhuav thiab txias, khaws cia kom deb ntawm lub teeb thiab cua sov.
* Lub Sij Hawm Khaws Cia: Ob xyoos thaum khaws cia kom zoo.
Kev xa khoom
* DHL Express, FEDEX, thiab EMS rau cov khoom tsawg dua 50KG, feem ntau hu ua DDU kev pabcuam.
* Kev xa khoom los ntawm dej hiav txwv rau cov khoom ntau dua 500 kg; thiab kev xa khoom los ntawm huab cua muaj rau 50 kg saum toj no.
* Rau cov khoom muaj nqis heev, thov xaiv kev xa khoom los ntawm huab cua thiab DHL express rau kev nyab xeeb.
* Thov paub meej tias koj puas tuaj yeem ua qhov kev tshem tawm thaum cov khoom mus txog koj cov kev lis kev cai ua ntej tso qhov kev txiav txim. Rau cov neeg yuav khoom los ntawm Mexico, Qaib ntxhw, Ltalis, Romania, Russia, thiab lwm thaj chaw deb.
hmoov:
Kua:
Kev Them Nyiaj Thiab Kev Xa Khoom
Express
Hauv qab 100kg, 3-5 Hnub
Kev pabcuam qhov rooj mus rau qhov rooj yooj yim los khaws cov khoom
Los ntawm Hiav Txwv
Tshaj 300kg, Kwv yees li 30 Hnub
Xav tau tus neeg ua haujlwm tshaj lij kev tshem tawm chaw nres nkoj mus rau chaw nres nkoj
Los ntawm Huab Cua
100kg-1000kg, 5-7 Hnub
Xav tau tus neeg ua haujlwm tshaj lij txog kev tshem tawm cov kev pabcuam ntawm tshav dav hlau mus rau tshav dav hlau
Cov Lus Qhia Txog Kev Tsim Khoom (Daim Ntawv Qhia Txog Kev Ua Haujlwm)
1. Kev Nrhiav Khoom thiab Kev Sau Qoob Loo
2. Kev rho tawm
3. Kev sib sau ua ke thiab kev ntxuav kom huv si
4. Kev ziab
5. Kev Tsim Qauv
6. Kev Tswj Xyuas Zoo
7. Ntim Khoom 8. Kev Faib Khoom
Daim Ntawv Pov Thawj
It tau ntawv pov thawj los ntawm ISO, HALAL, thiab KOSHER daim ntawv pov thawj.
Cov Lus Nug Feem Ntau (Cov Lus Nug Feem Ntau)
Q: Puas yog benzyl cawv muaj kev nyab xeeb rau daim tawv nqaij?
A: Benzyl cawv feem ntau suav tias muaj kev nyab xeeb rau kev siv rau hauv cov khoom siv tawv nqaij thaum siv rau hauv qhov concentration tsim nyog. Nws feem ntau siv ua ib qho tshuaj tiv thaiv hauv cov tshuaj pleev ib ce thiab cov khoom siv tu tus kheej, nrog rau hauv cov qauv rau nws cov khoom tsw qab. Thaum siv rau ntawm qhov concentration qis, benzyl cawv yuav tsis ua rau tawv nqaij khaus lossis ua rau neeg feem coob tsis xis nyob.
Txawm li cas los xij, qee tus neeg uas muaj daim tawv nqaij rhiab heev yuav muaj kev tsis haum tshuaj me ntsis rau benzyl cawv. Hauv qee kis tsis tshua muaj, cov cawv benzyl ntau dua tuaj yeem ua rau daim tawv nqaij khaus lossis ua xua rau qee tus neeg. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias kev nyab xeeb ntawm txhua yam khoom tshwj xeeb uas muaj benzyl cawv nyob ntawm tag nrho cov mis thiab qhov concentration siv.
Ib yam li cov khoom xyaw rau kev saib xyuas tawv nqaij, nws yog ib qho tseem ceeb uas yuav tsum ua qhov kev sim ua ntej siv cov khoom uas muaj benzyl cawv, tshwj xeeb tshaj yog tias koj muaj daim tawv nqaij rhiab heev lossis keeb kwm ntawm kev ua xua. Yog tias koj muaj kev txhawj xeeb txog kev siv cov khoom uas muaj benzyl cawv, sab laj nrog kws kho mob tawv nqaij lossis kws kho mob.
Q: Cov teeb meem ntawm benzyl cawv yog dab tsi?
A: Txawm hais tias benzyl cawv siv dav hauv ntau yam lag luam thiab feem ntau suav tias muaj kev nyab xeeb thaum siv kom raug, muaj qee qhov tsis zoo thiab kev txiav txim siab cuam tshuam nrog nws siv:
Kev Rhiab Tawv Nqaij: Qee tus neeg uas muaj tawv nqaij rhiab heev yuav muaj kev tsis haum tshuaj me me lossis khaus tawv nqaij thaum raug benzyl cawv, tshwj xeeb tshaj yog thaum muaj ntau dua.
Kev Pheej Hmoo Thaum Ua Pa: Vim nws yog cov kua, benzyl cawv tuaj yeem tsim cov pa uas, yog tias ua pa ntau dhau, yuav ua rau ua pa tsis taus. Yuav tsum ua raws li cov txheej txheem ua pa thiab kev tuav pov hwm kom zoo thaum ua haujlwm nrog cov kua benzyl cawv.
Kev Lom Zem: Kev noj ntau ntau ntawm benzyl cawv tuaj yeem lom, thiab nws yuav tsum tsis txhob noj. Yuav tsum ceev faj kom khaws cov khoom muaj benzyl cawv kom deb ntawm cov menyuam yaus thiab tsiaj txhu.
Kev Cuam Tshuam Rau Ib Puag Ncig: Ib yam li ntau yam tshuaj lom neeg, kev pov tseg benzyl cawv tsis raug cai tuaj yeem muaj kev cuam tshuam tsis zoo rau ib puag ncig. Nws yog ib qho tseem ceeb uas yuav tsum ua raws li cov lus qhia thiab cov cai pov tseg kom raug.
Kev Txwv Txoj Cai: Hauv qee thaj chaw, tej zaum yuav muaj cov cai tshwj xeeb lossis kev txwv rau kev siv benzyl cawv hauv qee yam khoom lossis daim ntawv thov.
Ib yam li lwm yam tshuaj lom neeg, nws yog ib qho tseem ceeb uas yuav tsum siv benzyl alcohol raws li cov lus qhia thiab kev ceev faj txog kev nyab xeeb. Yog tias koj muaj kev txhawj xeeb tshwj xeeb txog kev siv benzyl alcohol, sab laj nrog tus kws kho mob lossis cov tub ceev xwm tswj hwm.
