CAS tsim khoom phenolphatalein CAS 77-09-8

CASE xa phenolphatalein CAS 77-09-8 Featured Duab

Cov lus piav qhia luv luv:

Phenolphhatein CAS 77-09-8 nrog tus nqi zoo tshaj

Khoom npe:Phenolphhatalein

CAS:77-09-8-8

Mf:C20h14o4

Mw:318.32

Einecs:201-004-7

Cwj pwm:tus tsim

Pob:1 kg / kg lossis 25 kg / nruas

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Kev piav txog

Khoom npe: phenolphhatalein
CAS: 77-09-8-8
Mf: c20h14o4
MW: 318.32
Einecs: 201-004-7
Melting Taw tes: 261-263 ° C (Lit.)
Boint Taw tes: 417.49 ° C (ntxhib kwv yees)
Quav: 1.27 g / cm3 ntawm 32 ° C
Refacking Index: 1.5400 (kwv yees)
FP: 24 ° C
PH: 7.8 ~ 10.0

Kev qhia tshwj xeeb

Kev tshwm sim	Cov hmoov dawb
Lam xav	99% min
Melting taw tes	261-263 ° C (Lit.)
Kub taw tes	417.49 ° C (ntxhib kwv yees)

Daim ntawv thov

1. Chaw tsim khoom phaenolphatalein CAS 77-09-8 tau siv ua ib qho teeb meem kua qaub thiab tsis muaj zog rau kev kho ntawm cem quav
2. Acid-paus qhia tau qhia, tsis yog-aquous lub vastator qhia tau, chratatographic tsom xam reagent.

Nyiaj them

* Peb tuaj yeem muab ntau txoj kev them nyiaj rau cov neeg siv khoom xaiv.
* Thaum tus nqi me me, cov neeg yuav khoom feem ntau them nyiaj los ntawm Paypal, Western Union, Alibaba, thiab lwm yam.
* Thaum tus nqi loj, cov neeg yuav khoom feem ntau them nyiaj los ntawm T / T, L / C thaum pom, Alibaba, thiab lwm yam.
* Dhau li, ntau thiab ntau tus neeg yuav khoom yuav siv cov neeg siv khoom ib ntus lossis weChat them nyiaj kom them nyiaj.

Kev Cia

Cov khw muag khoom ntawm chav tsev kub.

Ruaj khov

Nws yog liab thaum yaj nyob rau hauv Dilute alkali daws.

Cov FAQ

1. Koj puas tuaj yeem muab cov kev pabcuam customized?
Re: Yog lawm

2. Kuv tuaj yeem tau txais tus nqi li cas?
Re: Thov sib pab, ib yam li peb xav tau, qhov chaw, chaw nres nkoj (chaw nres nkoj), ces peb yuav hais tsis pub dhau 3 teev ua haujlwm tom qab peb nug.

3. Lub sij hawm them nyiaj twg koj puas kam txais?
Re: Peb Txais Tos T / T, L / C, Alibaba, Paypal, Western Union, Alipay, WeChat Them Nyiaj, thiab lwm yam.

4. Lub sijhawm twg uas koj feem ntau ua?
Re: Exw, FCA, FOB, CFR, CFR, CFR, CF, DDU, DDU, DDP, thiab lwm yam nyob ntawm koj qhov xav tau.