Profect Phelao Phenolphthalein cas 77-09-8

Tlhaloso e khutšoane:

Phenolphthalein cas 77-098 ka theko e ntle

Lebitso la sehlahisoa:Phelaolphthalein

Cas:77-09-8

MF:Cbh114o4

MW:318.32

Einecs:201-004-7

Sebopeho:moetsi

Sephutheloana:1 kg / kg kapa 25 kg / moqomo

Romella lengolo-tsoibila ho rona Romella lengolo-tsoibila ho rona

Lintlha tsa sehlahisoa

Li-tag tsa lihlahisoa

Tlhaloso

Lebitso la sehlahisoa: phenonophthalein
Cas: 77-09-8
MF: C20h14o4
MW: 318.32
EINECS: 201--004-7
Ntlha ea ho qhibiliha: 261-263 ° C (lit.)
Point ea Kola: 417.49 ° C (tekanyetso e mpe)
TLHOKOMELISO: 1.27 g / cm3 ka 32 ° C
Indranti ea theko e phahameng: 1.5400 (lekanya)
FP: 24 ° C
PH: 7.8 ~ 10.0

TLHOKOMELISO

Ponahalo	Powder e tšoeu
Assay	99% min
Ntlha ea ho qhibiliha	261-263 ° C (lit.)
Poleft Point	417.49 ° C (likhakanyo tse mpe)

Kopo

1. Tlhahiso ea proveyonor phenolphthalein cas 77-09-8 e sebelisitsoeng e le sesupo sa acid-setsi sa maemo a holimo le tlholeho e tenang bakeng sa kalafo ea ho sokela
2. Letšoao la acid-acid-acid

Tefo

* Re ka fana ka mekhoa e fapaneng ea tefo ea khetho ea bareki.
* Ha chelete e nyane, hangata hangata bareki ba etsa tefo ka Paypal, Union Union, Alibaba, joalo-joalo
* Ha palo e le kholo, hangata bareki ba etsa tefo ho t / t, l / c at, alubaba, jj.
* Ntle le moo, bareki ba eketsehileng le ba bangata ba sebelisa Alipay kapa Wechat Pay ho etsa tefo.

Maemo a polokelo

Boloka ka mocheso oa kamore.

Botsitso

E khubelu ha e qhibiliha ka tharollo ea tharollo ea Alkali.

LBH

1. Na o ka fana ka lits'ebeletso tse hlophisitsoeng?
Re: Ho joalo, re ka fumana sehlahisoa se hlokomelang sehlahisoa, ngolla kapa ho pakelana ho latela litlhoko tsa hau.

2. Nka fumana theko ka eng?
Re: Ikopanye le rona ka litlhoko tsa hau, tse kang sehlahisoa, tse kang sehlahisoa, se eang teng, u tla qotsa ka lihora tse 3 tsa ho sebetsa.

3. Ke nako efe ea tefo eo u e amohelang?
Re: Rea amohela T / T, L / C, Alibaba, Paypal, Westal Union, Alipay, Pay, jj.

4. Ke polelo efe ea khoebo eo u tloaetseng ho e etsa?
Re: Ex, Fca, Fca, CFR, CFR, CFR, CFR, CFR, CPT, DDP, Etc. e itšetlehile ka litlhoko tsa hau.