2-Hydroxyethyl methacrylate HEMA CAS 868-77-9

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2-Hydroxyethyl methacrylate HEMA CAS 868-77-9 nrog kev xa khoom sai

Khoom npe:2-Hydroxyethyl methacrylate

CAS:868-77-9

MF:C6H10O3

MW:130.14 Nws

EINECS:212-782-2 : kuv

Cim:neeg tsim khoom

Pob:1 kg / kg los yog 25 kg / nruas

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Product Detail

Khoom cim npe

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Khoom npe: 2-Hydroxyethyl methacrylate HEMA
CAS: 868-77-9 Nr
MF: C6H10O3
PIB: 130.14
PIB: 212-782-2
Melting point: -12 ° C
Kub taw tes: 67 ° C3.5 mm Hg (lit.)
Ceev: 1.073 g / mL ntawm 25 ° C (lit.)
Vapor ceev: 5 (vs huab cua)
Vapor siab: 0.01 hli Hg (25 ° C)
Refractive index: n20/D 1.453 (lit.)
Fp: 207 ° F
Cia kub: 2-8 ° C
Daim ntawv: kua
Pka: 13.83 ± 0.10 (Predicted)
Xim: Ntshiab
PIB: 107158333

Specification

Cov khoom	Specifications
Qhov tshwm sim	Colorless pob tshab kua
Purity	≥98.5%
Dej	≤0.1%

Daim ntawv thov

Hydroxyethyl methacrylate yog tsuas yog siv rau cov cua kub-kho acrylic txheej resin, lub teeb-kho acrylic txheej resin, photosensitive txheej resin, dej-soluble electroplating txheej resin, nplaum, textile kev kho mob tus neeg saib xyuas, ester ua thiab polymer modifier, polycarboxylic acid txo tus neeg saib xyuas tus neeg saib xyuas dej, thiab lwm yam, nws muaj cov yam ntxwv ntawm kev siv tsawg dua, tab sis tuaj yeem txhim kho kev ua tau zoo ntawm cov khoom.

Kev them nyiaj

* Peb tuaj yeem muab ntau txoj kev them nyiaj rau cov neeg siv khoom xaiv.
* Thaum tus nqi me me, cov neeg siv khoom feem ntau them nyiaj los ntawm PayPal, Western union, Alibaba, thiab lwm yam.
* Thaum tus nqi loj, cov neeg siv khoom feem ntau them nyiaj los ntawm T / T, L / C thaum pom, Alibaba, thiab lwm yam.
* Dhau li ntawd, cov neeg siv khoom ntau dua yuav siv Alipay lossis WeChat them kom them nyiaj.

Cia

1. Khaws cia rau hauv qhov chaw qhuav qhuav, kaw lub thawv kom nruj, thiab khaws cia rau hauv qhov chaw txias, qhuav

2. Khaws rau hauv qhov chaw txias, khaws lub thawv kom deb ntawm lub teeb thiab airtight thawv, khaws cia hauv tub yees. Khaws hauv qab 4 ℃, zam lub teeb.

FAQ

1. Yuav ua li cas txog lub sij hawm coj mus kuaj kom muaj nuj nqis?
RE: Feem ntau peb tuaj yeem npaj cov khoom zoo li ntawm 2 lub lis piam tom qab koj tso qhov kev txiav txim, thiab tom qab ntawd peb tuaj yeem npaj cov khoom thauj thiab npaj cov khoom xa tuaj rau koj.

2. Yuav ua li cas txog lub sij hawm txhuas?
Re: Rau qhov me me, cov khoom yuav raug xa tuaj rau koj hauv 1-3 hnub ua haujlwm tom qab them nyiaj.
Rau ntau qhov ntau, cov khoom yuav raug xa tuaj rau koj hauv 3-7 hnub ua haujlwm tom qab them nyiaj.

3. Puas muaj qhov luv nqi thaum peb tso kev txiav txim loj dua?
RE: Yog lawm, peb yuav muab cov luv nqi sib txawv raws li koj qhov kev txiav txim.

4. Kuv tuaj yeem tau txais tus qauv los kuaj qhov zoo li cas?
RE: Tom qab tus nqi lees paub, koj tuaj yeem xav tau cov qauv los kuaj xyuas qhov zoo thiab peb xav muab cov qauv.