4-Hydroxybenzoic Acidum CAS 99-96-7 Puritas ≥99.5% Factory High Quality
Manufacturer Supple, Puritas, Commercial Productio
Nomen chemicum: 4-Hydroxybenzoicum acidum
CAS: 99-96-7
Nomen chemicum | 4-Hydroxybenzoic Acidum (Polymer Grade) |
Synonyma | p-Hydroxybenzoic Acidum;PHBA;Para Hydroxy Benzoic Acid;p-Salicylic Acidum |
CAS Number | 99-96-7 |
CATTUS Number | RF-PI407 |
Stock Status | In Stock, Productio Ascendite ad Tons |
Formulae hypotheticae | C7H6O3 |
M. Pondus | 138.12 |
Brand | Ruifu Chemical |
Item | Specifications |
Aspectus | Crystallina pulveris alba |
Puritas | ≥99.5% |
Liquescens punctum | 214.0℃~217.0℃ |
Odor | Odorless |
Solubilitas | Patet ac perlucidus |
Insolubilitas Methanol | ≤50ppm |
Humor (KF) | ≤0.20% |
Color (Pt-Co) | ≤15 |
Sulfate Cinerum | ≤0.04% |
Sulfate (SO4) | ≤50ppm |
Chloride (Cl) | ≤50ppm |
Phenol | ≤0.01% |
Salicylicum acidum | ≤0.04% |
4-Acidi hydroxyisophthalici | ≤500ppm (HIPA) |
Potassium (K) | ≤10ppm |
Natrium (Na) | ≤10ppm |
Ferrum (Fe) | ≤10ppm |
Calcium+Magnesium (Ca+Mg) | ≤5ppm |
Test Standard | Enterprise Standard |
Consuetudinem | Pharmaceutical intermedia |
sarcina: Utrem, aluminium foil, sacculum, 25kg/cardboard Drum, vel secundum exigentiam emptoris.
Repono Condition:Repone in vasis signatis in loco frigido et sicco;Lucem protege, humorem.
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Acidum hydroxybenzoicum 4-, etiam p-acidi hydroxybenzoici (PHBA) CAS 99-96-7, est acidum monohydroxybenzoicum, derivatio phenolica acidi benzoici.Est solidum album crystallinum, quod in aqua et chloroforme leviter solutum est, sed solubile in solventibus polari organicis sicut alcohols et acetone.4-Acidum hydroxybenzoicum imprimis notum est fundamentum praeparationis eius estorum, qui parabens appellati sunt, quae in medicaminibus et quibusdam ophthalmicis solutionibus adservativa adhibentur.Isomeric est cum acido 2-hydroxybenzoico, noto acido salicylico, praecursore ad aspirin, et cum acido 3-hydroxybenzoico.4-Acidum hydroxybenzoicum medium adhibetur pro fucis, antisepticis et medicamentis pharmaceuticis activum.Adhibetur etiam ut cibus conservans, corrosio inhibitoris, anti-oxidantis et emulsiantis.Reagit cum acido 6-hydroxynaphthaleno 2-carboxylico ad praeparandum polyester, qui vocatur Vectran fibra aromatica.Agit praecursorem ad praeparandum p-hydroxyphenylbenzoate, p-acetoxybenzoyl chloridum et 4,4'-Dihydroxybenzophenone.Praeterea, in fucis additivis, adiectivis efficiens, auxiliis processus, electricis et electronicis productis adhibitis.Adde quod in fucis et quibusdam solutionibus ophthalmicis conservativum agit.4-Acidum hydroxybenzoicum magni momenti commercialis est.
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