2,4-Dinitrophenylhydrazine CAS 119-26-6 Maʻemaʻe >98.0% (HPLC)

ʻO ka wehewehe pōkole:

Inoa Kemika: 2,4-Dinitrophenylhydrazine

Synonyms: DNPH;(2,4-Dinitrophenyl)hydrazine

CAS: 119-26-6

Maʻemaʻe: >98.0% (HPLC)

ʻAlani i ka ʻulaʻula Crystalline Compound i hoʻoheheʻe ʻia me ka wai

Hoʻokaʻaʻike: Kauka Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


Huahana Huahana

Nā Huahana Pili

Huahana Huahana

wehewehe:

ʻO Shanghai Ruifu Chemical Co., Ltd. ka mea hana nui a me ka mea hoʻolako o 2,4-Dinitrophenylhydrazine (CAS: 119-26-6) me ke kūlana kiʻekiʻe.Hiki iā mākou ke hāʻawi i ka COA, ka lawe ʻana i ka honua holoʻokoʻa, nā mea liʻiliʻi a me ka nui i loaʻa.Inā makemake ʻoe i kēia huahana, e ʻoluʻolu e hoʻouna i ka ʻike kikoʻī e pili ana i ka helu CAS, ka inoa huahana, ka nui iā mākou.Please contact: alvin@ruifuchem.com

Na Waiwai Kemika:

Inoa Kimia 2,4-Dinitrophenylhydrazine
Nā huaʻōlelo like DNPH;(2,4-Dinitrophenyl)hydrazine;1-(2,4-Dinitrophenyl)hydrazine;DNP;2,4-DNP
Helu CAS 119-26-6
Helu CAT RF2848
Kūlana Kūʻai Ma ka waihona, hoʻonui ʻia a hiki i nā tona
ʻĀpana Molekala C6H6N4O4
Kaumaha Molecular 198.14
Lae hehee 196.0~203.0 ℃
ʻO ka mānoanoa 0.843
Pilikino Paʻi Lewa, Māmā
Waihona Temp. Wela o ka lumi, wahi wela
Ola Pahu 60 mahina
HSN Code 29280090
Brand Kemika Ruifu

Nā kikoʻī:

'ikamu Nā kikoʻī
Ka nana aku ʻAlani i ka ʻulaʻula Crystalline Compound i hoʻoheheʻe ʻia me ka wai
Maʻemaʻe / Kaʻina Hanana >98.0% (HPLC) (Ma ke kumu maloʻo)
Lae hehee 196.0~203.0 ℃
Nalo ma ka maloo ~30%
Ke koena o ke ahi <0.10% (e like me ka Sulfate)
Infrared Spectrum Kūlike i ka hoʻolālā
Mea hiki ole ke hooheheeia <0.01% (i loko o ka Sulfuric Acid)
ʻO ka naʻau i ka Carbonyl Holo i ka ho'āʻo
Solubility i loko o 50% Sulfuric Acid Melemele i ka ʻōmaʻomaʻo, akaka a hiki i ka Turbid <12.5 ntu, 0.5g/50ml
Nānā ʻO ka pōʻino o ka pahū ke maloʻo!
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Pehea e kūʻai ai?E ʻoluʻolu e kelepona maiDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com 

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Noi:

ʻO 2,4-Dinitrophenylhydrazine (CAS: 119-26-6), he hydrazine derivative, he hui C-nitro ʻo ia ka phenylhydrazine i pani ʻia ma nā kūlana 2- a me 4 e nā hui nitro.He kuleana kona ma ke ʻano he reagent.He lālā ia o nā phenylhydrazines a me kahi pūhui C-nitro.A me nā aldehydes, ketone reaction red yellow.He mea puhi a make.Pahū ke maloʻo.He pōʻino i ka hanu ʻana, ʻai ʻia a i ʻole i pili me ka ʻili.Hoʻohana ʻia ma ke ʻano he chromogenic agent no ka hoʻoholo ʻana i nā aldehydes a me nā ketones e ka photometry a no ka hoʻoholo ʻana i nā aldehydes a me nā ketones e ka chromatography layer thin.Ua hoʻohana ʻia ʻo 2,4-Dinitrophenylhydrazine ma ke ʻano he reagent e ʻike i ke alo o nā aldehydes a me nā ketones i loko o nā carbonyl protein.Hiki ke hoʻohana ʻia ma ke ʻano he colorimetric reagent i ka helu quantitative o prednisone.

He maʻalahi ka Dinitrophenylhydrazine i ka haʻalulu a me ka hakakā;he mea pahū haalulu no laila e mālama pono i ka hoʻohana ʻana.Hāʻawi pinepine ʻia ia i pulu e hōʻemi i kona pōʻino pahū.He hydrazine i pani ʻia, a hoʻohana pinepine ʻia e hoʻāʻo maikaʻi i nā hui carbonyl e pili ana me nā aldehydes a me nā ketones.Hiki ke hoʻohana ʻia nā derivatives hydrazone i mea hōʻike i ka ʻike o ka pūhui kumu.ʻAʻole pane ʻo Dinitrophenylhydrazine me nā hui hana ʻē aʻe i loko o ka carbonyl e like me nā waikawa carboxylic, amides, a me nā esters.No nā ʻakika carboxylic, amides a me nā esters, aia ka resonance e pili ana i ke kūpaʻa e like me ka hui pū ʻana o kahi pālua o nā electrons me ka p-orbital o ka carbonyl carbon e hopena i ka hoʻonui ʻana i ka delocalization i loko o ka mole.E nalowale ana kēia kūpaʻa ma ka hoʻohui ʻana i kahi reagent i ka hui carbonyl.

E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou