Phenolphthalein CAS 77-09-8 kumu kūʻai hale hana

ʻO ka wehewehe pōkole:

kuai nui Phenolphthalein CAS 77-09-8

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.

E pili ana i ka halihali

1. Ma kā mākou hui, hoʻomaopopo mākou ua loaʻa i kā mākou mea kūʻai aku nā pono hoʻouna ʻokoʻa ma muli o nā kumu e like me ka nui a me ka wikiwiki.
2. No ka hoʻokō ʻana i kēia mau pono, hāʻawi mākou i nā ʻano o nā koho kaʻa.
3. No nā kauoha liʻiliʻi a i ʻole nā hoʻouna ʻana i ka manawa, hiki iā mākou ke hoʻonohonoho i nā lawelawe ʻelele o ka honua, me FedEx, DHL, TNT, EMS, a me kekahi mau laina kūikawā.
4. No nā kauoha nui, hiki iā mākou ke hoʻouna ma ke kai.

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. He aha kāu MOQ?
RE: ʻO ka maʻamau o kā mākou MOQ he 1 kg, akā i kekahi manawa ua maʻalahi a hilinaʻi i ka huahana.

2. Loaʻa iā ʻoe kekahi lawelawe ma hope o ke kūʻai aku?
Re: ʻAe, e hōʻike mākou iā ʻoe i ka holomua o ke kauoha, e like me ka hoʻomākaukau ʻana i ka huahana, ka hoʻolaha ʻana, ka hahai ʻana i ka lawe ʻana, ke kōkua hoʻomaʻemaʻe kuʻuna, alakaʻi ʻenehana, etc.

3. Pehea ka lōʻihi e loaʻa iaʻu kaʻu mau waiwai ma hope o ka uku?
Re: No ka liʻiliʻi liʻiliʻi, e hāʻawi mākou ma ka ʻelele (FedEx, TNT, DHL, etc.) Inā makemake ʻoe e hoʻohana i ka laina kūikawā a i ʻole ka hoʻouna ʻana i ka ea, hiki iā mākou ke hāʻawi pū a e uku ʻia ma kahi o 1-3 mau pule.
No ka nui, ʻoi aku ka maikaʻi o ka hoʻouna ʻana ma ke kai. No ka lawe manawa, pono ia 3-40 lā, e pili ana i kou wahi.

4. Pehea e hiki ai iā mākou ke loaʻa ka pane leka uila mai kāu hui?
Re: E pane mākou iā ʻoe i loko o 3 mau hola ma hope o ka loaʻa ʻana o kāu nīnau.