4-Hydroxybenzoic Acid CAS 99-96-7 Purity ≥99.5% Factory High Quality

Whakaahuatanga Poto:

Ingoa: 4-Hydroxybenzoic Acid (Polymer Grade)

CAS: 99-96-7

Maamaa: ≥99.5%

Te ahua: Paura Tioata Maama

Kounga Teitei, Hanganga Tauhokohoko

Inquiry: alvin@ruifuchem.com

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Taipitopito Hua

Hua e Pa ana

Tohu Hua

Whakaahuatanga:

Kaihanga Kaihanga, Te Maamaa Teitei, Te Hanga Aromoni
Ingoa matū: 4-Hydroxybenzoic Acid
CAS: 99-96-7

Nga Ahuatanga matū:

Ingoa matū	4-Hydroxybenzoic Waikawa (Polymer Grade)
Nga kupu taurite	p-Hydroxybenzoic Waikawa;PHBA;Para Hydroxy Benzoic Waikawa;p-Salicylic Acid
Tau CAS	99-96-7
Tau CAT	RF-PI407
Tūnga Taonga	I roto i te Stock, Production Tauine Up ki Taranata
Tātai rāpoi	C7H6O3
Taumaha rāpoi	138.12
Waitohu	Ruifu Chemical

Whakatakotoranga:

Tūemi	Whakatakotoranga
Te ahua	Paura Tioata Ma
Maamaa	≥99.5%
Te Whakarewa	214.0℃~217.0℃
Te kakara	Korekore
Wairewa	Maama me te Puataata
Korekore o te Methanol	≤50ppm
makuku (KF)	≤0.20%
Tae (Pt-Co)	≤15
Te pungarehu ngawha	≤0.02%
pūkawa (SO4)	≤50ppm
Chloride (Cl)	≤50ppm
Phenol	≤0.01%
Te waikawa salicylic	≤0.02%
4-Hydroxyisophthalic Waikawa	≤500ppm (HIPA)
Te pāhare pāporo (K)	≤10ppm
Konutai (Na)	≤10ppm
Rino (Fe)	≤10ppm
konupūmā+ konupora (Ca+Mg)	≤5ppm
Paerewa Whakamatau	Paerewa hinonga
Whakamahinga	Takawaenga Rongoa

Mōkī me te Rokiroki:

Mōkī: Pounamu, Peeke konumohe konumohe, 25kg / Cardboard Drum, kia rite ranei ki te hiahia a te kaihoko.

Tikanga Rokiroki:Whakaorangia i roto i nga ipu kua hiri ki te waahi makariri me te maroke;Tiaki i te marama, i te makuku.

Painga:

FAQ:

Taupānga:

Ko te 4-Hydroxybenzoic Acid, e mohiotia ana ko te p-Hydroxybenzoic acid (PHBA) CAS 99-96-7, he waikawa monohydroxybenzoic, he phenolic derivative o te waikawa benzoic.He totoka kiriatai ma he paku whakarewa ki te wai me te chloroform engari he whakarewa ake i roto i nga whakarewa waro polar penei i te waipiro me te acetone.Ko te 4-Hydroxybenzoic Acid te tuatahi e mohiotia ana ko te turanga mo te whakarite o ana esters, e mohiotia ana ko te parabens, e whakamahia ana hei whakamarumaru i roto i nga mea whakapaipai me etahi rongoa ophthalmic.He isomeric me te waikawa 2-hydroxybenzoic, e mohiotia ana ko te waikawa salicylic, he tohu mo te aspirini, me te waikawa 3-Hydroxybenzoic.Ko te 4-Hydroxybenzoic Acid e whakamahia ana hei takawaenga mo nga waikano, antiseptics me nga taonga rongoa kaha.Ka whakamahia ano he kai tiaki kai, he aukati waikura, he anti-oxidant me te emulsifier.Ka tauhohe ki te waikawa 6-hydroxynaphthalene-2-carboxylic hei whakarite i te polyester kakara e kiia nei ko te muka Vectran.Ko te mahi hei tohu mo te whakarite p-hydroxyphenylbenzoate, p-acetoxybenzoyl chloride me te 4,4'-Dihydroxybenzophenone.I tua atu, ka whakamahia i roto i nga taapiri peita, nga taapiri paninga, nga awhina tukatuka, nga taonga hiko me te hiko.I tua atu i tenei, ka mahi hei tiaki i roto i nga mea whakapaipai me etahi rongoa ophthalmic.Ko te 4-Hydroxybenzoic Acid he mea nui ki te arumoni.