Cov ntaub ntawv yooj yim
Methyl 4-Hydroxybenzoate (Methyl Paraben) Rau Preservative CAS 99-76-3
| Khoom npe: | Tom ntej: Methyl 4-Hydroxybenzoate |
| CAS Registry No.: | 99-76-3 |
| EINECS No.: | 202-785-7 |
| Molecular Formula: | C8H8O3 |
| Molecular Luj: | 152.15 |
| Yam khoom | Index |
| Qhov tshwm sim | Dawb crystalline hmoov los yog dawb crystalline hmoov |
| Cov ntsiab lus (qhuav qhuav)% Methyl Paraben |
Tsawg. 99.0 |
| Melting point ºC | 125-128 |
| Acidity | Tsim nyog |
| Sulfate (SO42-) % max. | 0.024 |
| Qhuav poob% max. | 0.50 |
| Residue ntawm ignition % max. | 0.1 |
| P-hydroxybenzoic acid thiab salicylic acid %max. | 0.1 |
| Cov khoom muaj feem xyuam | Tsim nyog |
| Kev kuaj xyuas tus kheej | Tsim nyog |
Khoom Description
Methyl 4-Hydroxybenzoate CAS 99-76-3 yog dab tsi?
Methyl 4-Hydroxybenzoate (Methyl Paraben) yog 4-hydroxybenzoate ester uas tshwm sim los ntawm kev sib xyaw ua ke ntawm pawg carboxy ntawm 4-hydroxybenzoic acid nrog methanol. Nws yog feem ntau siv antimicrobial preservative hauv tshuaj pleev ib ce. Nws tshwm sim nyob rau hauv ntau yam txiv hmab txiv ntoo, tshwj xeeb tshaj yog nyob rau hauv blueberries.
Methylparaben yog ib qho tshuaj tiv thaiv- cov kab mob fungal feem ntau siv hauv ntau hom tshuaj pleev ib ce thiab tus kheej - cov khoom tu. Nws kuj yog siv los ua zaub mov preservative.
Kev siv ntawm Methylparaben:
1. Nyob rau hauv cov tshuaj pleev ib ce, methyl paraben yog ib qho uas nquag siv preservative los tiv thaiv cov roj, txuj lom, pigments thiab lwm yam khoom xyaw nyob rau hauv cov tshuaj pleev ib ce kom tsis txhob deterioration ntawm microbial paug thiab mus cuag lub txee lub neej ntawm cov tshuaj pleev ib ce.
2. Raws li cov khoom noj ntxiv, methyl 4-hydroxybenzoate yog siv hauv cov kua ntses, kua ntses, dej haus, pastries thiab lwm yam khoom noj los ua lub luag haujlwm ntawm kev tiv thaiv corrosion thiab freshness.
3. Hauv kev lag luam kws tshuaj, nws tuaj yeem siv los ua cov tshuaj tiv thaiv kev npaj tshuaj, ntxiv rau, nws kuj muaj qee yam tshuaj tua kab mob thiab tiv thaiv - cov nyhuv inflammatory, thiab tuaj yeem siv rau hauv kev npaj ntawm qee cov tshuaj pleev.
4. Hauv kev lag luam textile, methyl paraben tuaj yeem siv rau hauv cov tshuaj tua kab mob ntawm cov ntaub, thiab hauv cov coatings thiab plastics, nws tuaj yeem siv los ua cov tshuaj tua kab mob los txhim kho cov kab mob thiab cov tshuaj tua kab mob ntawm cov khoom.
Vim li cas thiaj xaiv Gneebio?
1. Muab cov qauv
2.Qhov ntim kuj tuaj yeem ua raws li cov neeg siv khoom xav tau
3.Txhua qhov kev nug yuav teb rau hauv 24 teev
4.we muab Daim Ntawv Pov Thawj Ua Lag Luam, Cov Ntawv Sau, Daim Ntawv Sau Npe, COA, Daim Ntawv Pov Thawj Kev Noj Qab Haus Huv thiab Daim Ntawv Pov Thawj Keeb Kwm. Yog tias koj lub lag luam muaj cov kev cai tshwj xeeb, qhia rau peb paub.
5. Hoobkas nqi.
6. Kev xa khoom sai. Peb muaj kev koom tes zoo nrog ntau tus kws tshaj lij xa khoom, Peb tuaj yeem xa cov khoom tuaj rau koj thaum koj lees paub qhov kev txiav txim.
7. Cov nqe lus them nqi zoo dua. Rau kev sib koom tes peb tuaj yeem txais T / T thiab L / C thaum pom. Rau peb cov neeg siv khoom tsis tu ncua, peb tuaj yeem muab cov nqe lus them nqi ntau dua.
Peb xav tau kev yeej- yeej kev lag luam. Xa koj cov lus nug thiab koj yuav tau txais nws!
Tuam txhab Profile
Gneebioyog nyob rau hauv Anyang City, Henan Province, Suav teb. Nws yog ib qho chaw zoo -pab tus neeg muag khoom thiab chaw tsim khoom ntawm cov khoom siv tshuaj lom neeg hauv Suav teb. Peb muab cov khoom siv tshuaj lom neeg yooj yim, cov kuab tshuaj organic, cov tshuaj nruab nrab, thiab lwm yam nqi -cov khoom siv tshuaj zoo rau cov tuam txhab tshuaj hauv tsev thiab thoob ntiaj teb thiab cov neeg tsim khoom tshuaj zoo.
Ntim & Shipping
| Los ntawm Express | Los ntawm Cua | Los ntawm Hiav Txwv |
| Haum rau qis dua 50kg | Haum rau ntau tshaj 50kg | Haum rau ntau tshaj 500kg |
| Ceev: 3-7 hnub | Ceev: 3-7 hnub | qeeb: 3-7 hnub |
| Tus nqi siab | Tus nqi nruab nrab | Tus nqi qis |
| Qhov rooj rau qhov rooj pabcuam | Chaw nres nkoj rau chaw nres nkoj kev pabcuam | Chaw nres nkoj rau chaw nres nkoj kev pabcuam |
Customized Package Yog Muaj.
Peb yuav ua peb qhov zoo tshaj plaws los siv txoj kev ceev tshaj plaws thiab pheej yig tshaj rau cov neeg siv khoom kom tau txais kev txiav txim.
Thiab ua raws li cov neeg siv khoom ntawm email rau txhua yam khoom xa tuaj nrog rau cov ntaub ntawv kho tshiab kom txog thaum nws tuaj txog yam tsis muaj kev puas tsuaj.
FAQ
Koj tswj qhov zoo li cas?Yuav ua li cas kom paub meej cov khoom zoo?
1.Koj tuaj yeem tau txais cov qauv dawb rau qee yam khoom, tsuas yog yuav tsum tau them tus nqi thauj khoom.
2.Peb muaj peb tus kheej lub chaw tswj xyuas zoo uas yuav muab cov ntaub ntawv tswj xyuas zoo ua ntej xa zaub mov.
3.Peb tuaj yeem lees txais qhov thib peb -kev tshuaj xyuas tog.
Lub sijhawm khoom xa tuaj ntev npaum li cas, thiab koj yuav tsum xa tuaj rau peb li cas?
Peb yuav npaj shipping tsis pub dhau 3-5 hnub rau kev txiav txim me me, thiab 7 hnub rau kev txiav txim ntau. Qee cov khoom peb muaj Tshuag tuaj yeem xa tuaj rau koj tam sim ntawd.
Yuav ua li cas koj nkoj qhov kev txiav txim ib txwm?
Los ntawm huab cua, los ntawm hiav txwv. Los ntawm kev nthuav qhia: DHL, FEDEX, UPS, TXT, EMS, thiab lwm yam.
Kuv puas tuaj yeem muaj kuv tus kheej cov khoom customized?
Yog lawm. Koj qhov kev xav tau rau lub logo, tsim, pob, phau ntawv lus, thiab lwm yam Peb zoo siab txais tos.
Cim npe nrov: Tuam Tshoj methyl 4-hydroxybenzoate (methyl paraben) rau preservative cas 99-76-3, Tuam Tshoj methyl 4-hydroxybenzoate (methyl paraben) rau preservative cas 99-76-3 manufacturers, lwm tus neeg, Hoobkas