4-Hydroxybenzoic Acid CAS 99-96-7 Purity ≥99.5% Hoobkas High Quality Featured duab

4-Hydroxybenzoic Acid CAS 99-96-7 Purity ≥99.5% Lub Hoobkas Zoo

Lus piav qhia luv luv:

Lub npe: 4-Hydroxybenzoic Acid (Polymer Qib)

CAS: 99-96-7 Nr

Purity: ≥99.5%

Cov tsos mob: Dawb crystalline hmoov

High Quality, Commercial Production

Inquiry: alvin@ruifuchem.com

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Product Detail

Yam khoom

Khoom cim npe

Nqe lus piav qhia:

Chaw tsim khoom, siab purity, coj mus muag ntau lawm
Lub npe tshuaj: 4-Hydroxybenzoic Acid
CAS: 99-96-7 Nr

Chemical Properties:

Tshuaj npe	4-Hydroxybenzoic Acid (Polymer Qib)
Synonyms	p-Hydroxybenzoic acid;PHBA;Para Hydroxy Benzoic Acid;p-Salicylic acid
CAS Nr	99-96-7
CAT Number	Qauv: RF-PI407
Tshuag xwm txheej	Nyob rau hauv Tshuag, ntau lawm Scale mus txog Tons
Molecular Formula	C7H6O3
Molecular Luj	138.12 Nws
Hom	Ruifu Tshuaj

Specifications:

Yam khoom	Specifications
Qhov tshwm sim	Dawb Crystalline hmoov
Purity	≥99.5%
Melting Point	214.0 ℃ ~ 217.0 ℃
tsw	Tsis hnov tsw
Solubility	Ntshiab thiab pob tshab
Insolubility ntawm Methanol	≤ 50ppm
Moisture (KF)	≤ 0.20%
Xim (Pt-Co)	≤ 15
Sulfate tshauv	≤ 0.02%
Sulfate (SO4)	≤ 50ppm
Chloride (Cl)	≤ 50ppm
Phenol	≤0.01%
Salicylic acid	≤ 0.02%
4-Hydroxyisophthalic acid	≤500ppm (HIPA)
Potassium (K)	≤10ppm
Sodium (Na)	≤10ppm
Hlau (Fe)	≤10ppm
Calcium + Magnesium (Ca + Mg)	≤ 5ppm
Test Standard	Enterprise Standard
Kev siv	Pharmaceutical Intermediates

Pob & Cia:

Pob: Lub raj mis, Aluminium ntawv ci hnab, 25kg / Cardboard Nruas, los yog raws li tus neeg yuav tsum tau muaj.

Cia txias:Khaws rau hauv cov thawv ntim khoom ntawm qhov chaw txias thiab qhuav;Tiv thaiv los ntawm lub teeb, noo noo.

Qhov zoo:

FAQ:

Daim ntawv thov:

4-Hydroxybenzoic Acid, tseem hu ua p-Hydroxybenzoic acid (PHBA) CAS 99-96-7, yog monohydroxybenzoic acid, phenolic derivative ntawm benzoic acid.Nws yog dawb crystalline khoom uas yog me ntsis soluble nyob rau hauv dej thiab chloroform tab sis ntau soluble nyob rau hauv polar organic solvents xws li cawv thiab acetone.4-Hydroxybenzoic Acid feem ntau hu ua lub hauv paus rau kev npaj ntawm nws cov esters, hu ua parabens, uas yog siv los ua preservatives nyob rau hauv cov tshuaj pleev ib ce thiab ib co ophthalmic daws.Nws yog isomeric nrog 2-hydroxybenzoic acid, hu ua salicylic acid, precursor rau aspirin, thiab nrog 3-Hydroxybenzoic acid.4-Hydroxybenzoic Acid yog siv los ua ib qho nruab nrab rau dyes, tshuaj tua kab mob thiab cov khoom xyaw tshuaj nquag.Nws kuj yog siv los ua zaub mov preservative, corrosion inhibitor, anti-oxidant thiab emulsifier.Nws reacts nrog 6-hydroxynaphthalene-2-carboxylic acid los npaj aromatic polyester hu ua Vectran fiber.Nws ua haujlwm ua ntej los npaj p-hydroxyphenylbenzoate, p-acetoxybenzoyl chloride thiab 4,4'-Dihydroxybenzophenone.Tsis tas li ntawd, nws yog siv nyob rau hauv cov xim additives, txheej additives, kev pab, hluav taws xob thiab hluav taws xob khoom.Nyob rau hauv tas li ntawd, nws ua raws li ib tug preservative nyob rau hauv tshuaj pleev ib ce thiab ib co ophthalmic daws.4-Hydroxybenzoic Acid yog qhov tseem ceeb ntawm kev lag luam.