Cov khoom
Parsol 5000 Eusolex 6300 4-Methylbenzylidene Camphor CAS 36861-47-9
Product details
4-methylbenzylidene camphor.PARSOL® 5000 los ntawm DSM yog qhov ua haujlwm siab UV-B lim thiab ua haujlwm tau zoo PARSOL® 1789 stabilizer.Nws pab nce SPF qhov tseem ceeb thiab sib haum nrog feem ntau siv cov khoom xyaw kom zoo nkauj thiab cov ntxaij lim dej UV.PARSOL® 5000 yog siv rau hauv cov khoom siv hnub ci.
| INCI npe | 4-Methylbenzylidene Camphor |
| Tshuaj npe | 3-(4'-Methylbenzylidene) camphor |
| CAS Nr. | 36861-47-9 |
| EINECS No. | 253-242-6 |
| Molecular Formula: | C18H22O |
| Molecular Luj: | 254.37 Nws |
Technical Specification
| Yam khoom | Specification |
| Qhov tshwm sim | Dawb hmoov |
| Kev ntsuam xyuas (GC) | 99.0% min. |
| Melting point | 66-72 ºC |
| Solubility | Insoluble hauv dej, soluble hauv roj, me ntsis soluble hauv cawv, chloroform thiab ethyl acetate |
Daim ntawv thov teb
4-Methylbenzylidene Camphor yog cov tshuaj pleev thaiv hnub tiv thaiv uas tiv thaiv UVB ntau yam (290-320 nm) nrog lub ncov absorbance
ua 301nm.Nws yog cov roj-soluble hmoov uas yog me ntsis yees duab-tsis ruaj khov (nws siv sijhawm 65 feeb kom poob 10% ntawm nws lub zog tiv thaiv thiab 345
feeb kom plam ib nrab ntawm nws), tab sis nws tseem tuaj yeem pab txhim kho qhov tsis ruaj tsis khov UVA lim, avobenzone.
4-Methylbenzylidene Camphor yog qhov zoo tagnrho rau kev tsim cov tshuaj tiv thaiv dej tiv thaiv tshav ntuj xws li tshuaj pleev, tshuaj tsuag thiab cov nplaum.
Ntim
Cov ntaub ntawv tuam txhab
Hebei Zhuanglai Chemical Trading Co., Ltd.yog lub tuam txhab lag luam txawv teb chaws, tshwj xeeb hauv kev tsim thiab tsim cov khoom siv tshuaj lom neeg, tshuaj intermediates.It muaj nws lub Hoobkas, uas procures nws tus kheej muaj kev sib tw hauv kev lag luam.
Tau ntau xyoo, peb lub tuam txhab tau yeej ntau tus neeg siv khoom txhawb nqa thiab kev ntseeg siab vim nws ib txwm siv zog ua cov khoom lag luam zoo nrog tus nqi zoo.Nws cog lus rau nws tus kheej kom txaus siab rau txhua tus neeg siv khoom, rov qab los, peb cov neeg siv khoom pom zoo kev ntseeg siab thiab kev hwm rau peb lub tuam txhab.Txawm hais tias muaj ntau tus neeg siv khoom ncaj ncees yeej xyoo no, Hegui ua tus coj ncaj ncees txhua lub sijhawm thiab siv zog ua kom nws tus kheej zoo dua los ntawm txhua yam.
Peb tab tom tos ntsoov yuav koom tes nrog koj thiab muaj kev sib raug zoo nrog koj.Thov so kom paub tseeb tias peb yuav txaus siab rau koj.Cia li xav tiv tauj kuv.
FAQ
1. Kuv tuaj yeem tau txais cov qauv li cas?
Peb tuaj yeem muab cov qauv dawb rau koj rau peb cov khoom uas twb muaj lawm, lub sijhawm ua haujlwm yog 1-2 hnub.
2. Puas yog nws tuaj yeem hloov kho cov ntawv nrog kuv tus kheej tsim?
Yog, thiab koj tsuas yog xav tau xa peb cov duab kos lossis kos duab, ces koj tuaj yeem tau txais koj xav tau.
3. Yuav ua li cas them nyiaj rau koj?
Peb tuaj yeem tau txais koj cov nyiaj them los ntawm T / T, ESCROW lossis Western union uas tau pom zoo, thiab peb tuaj yeem tau txais los ntawm L / C thaum pom.
4.Lub sijhawm ua haujlwm yog dab tsi?
Lub sij hawm ua yog txawv raws li qhov sib txawv, peb feem ntau npaj cov khoom xa tuaj hauv 3-15 hnub ua haujlwm tom qab kev txiav txim pom zoo.
5. Yuav ua li cas thiaj lav qhov kev pab cuam tom qab muag?
Ua ntej tshaj plaws, peb qhov kev tswj hwm zoo yuav txo qhov teeb meem zoo rau xoom, yog tias muaj teeb meem, peb yuav xa koj cov khoom dawb.
