Mea hoʻolako Phenolphthalein CAS 77-09-8

ʻO ka wehewehe pōkole:

Phenolphthalein CAS 77-09-8 me ke kumu kūʻai maikaʻi loa

inoa huahana:Phenolphthalein

CAS:77-09-8

MF:C20H14O4

MW:318.32

EINECS:201-004-7

ʻAno:mea hana

Pūʻolo:1 kg / kg a i ʻole 25 kg / pahu

E hoʻouna i ka leka uila iā mākou

Huahana Huahana

wehewehe

Inoa Huahana: Phenolphthalein
CAS: 77-09-8
MF: C20H14O4
MW: 318.32
EINECS: 201-004-7
Ka helu hehee: 261-263 °C (kukui.)
Puni paila: 417.49°C (manaʻo koʻikoʻi)
Māmā: 1.27 g/cm3 ma 32 °C
Hōʻike manaʻo: 1.5400 (manaʻo)
Fp: 24 °C
PH: 7.8～10.0

Hōʻike

Ka nana aku	Pauda keʻokeʻo
Hoʻāʻo	99% min
Lae hehee	261-263 °C (kukui)
Lae paila	417.49°C (manaʻo koʻikoʻi)

Palapala noi

1. Mea hoʻolako Phenolphthalein CAS 77-09-8 hoʻohana ʻia ma ke ʻano he hōʻailona acid-base a me ka laxative irritant no ka mālama ʻana i ka constipation.
2. Acid-base indicator, non-aqueous titration indicator, chromatographic analysis reagent.

Uku

* Hiki iā mākou ke hāʻawi i nā ʻano uku uku no ka koho ʻana o nā mea kūʻai aku.
* Ke liʻiliʻi ka nui, hana maʻamau nā mea kūʻai aku ma o PayPal, Western Union, Alibaba, etc.
* Ke nui ka nui, uku maʻamau nā mea kūʻai ma o T / T, L / C ma ka ʻike, Alibaba, etc.
* Ma waho aʻe, ʻoi aku ka nui o nā mea kūʻai aku e hoʻohana iā Alipay a i ʻole WeChat uku e uku.

Nā kūlana mālama

E kūʻai i hoʻopaʻa ʻia ma ka lumi wela.

Paʻa

He ʻulaʻula ke hoʻoheheʻe ʻia i loko o ka solution alkali dilute.

FAQ

1. Hiki iā ʻoe ke hāʻawi i nā lawelawe maʻamau?
RE: ʻAe, ʻoiaʻiʻo, hiki iā mākou ke hoʻololi i ka huahana, lepili a i ʻole nā paʻi e like me kāu mau koi.

2. Pehea a pehea e hiki ai iaʻu ke loaʻa ke kumukūʻai?
RE: E hoʻokaʻaʻike mai iā mākou me kāu mau koi, e like me ka huahana, spec, quantity, destination(port), etc, a laila e haʻi mākou i loko o 3 mau hola hana ma hope o ka loaʻa ʻana o kāu nīnau.

3. ʻO wai ka manawa uku āu e ʻae ai?
RE: ʻAe mākou iā T / T, L / C, Alibaba, PayPal, Western Union, Alipay, WeChat Pay, etc.

4. He aha kāu hana maʻamau?
RE: EXW, FCA, FOB, CFR, CIF, CPT, DDU, DDP, etc. E pili ana i kāu mau koi.