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Methyl Paraben|99-76-3

Methyl Paraben|99-76-3


  • Typus:Conservativa
  • EINECS No.::202-785-7
  • CAS No.::99-76-3
  • Qty in XX' FCL;10MT
  • Min. Ordo:500KG
  • Packaging:25KG/BAGS
  • Product Detail

    Product Tags

    Products Description

    Paraben methyl, etiam methyl Paraben, una parabens, servata est cum formula chemica CH3(C6H4(OH)COO). Est methyl niensis acidi hydroxybenzoici p-.

    natura: a album crystallinum pulveris vel crystallinum. 115-118 ° C punctum liquescens, punctum fervens, 297-298 ° C. Aether solubile in ethanolo, ethylo et acetone, micro-solutum in aqua, chloroforme, carbo disulfido, et aethere petrolei. Minor specialis odor et gustus, leviter amarum sapor, Zhuo Ma.

    Praeparatio: p-acidi hydroxybenzoici et ethanoli coram acidi sulphurici catalyst ad estustionem, esterificationem in aqua post crystallizationem peractam, deinde per filtrum, in productorum servantur.: intermedia organica. Ad medicaminibus, agens antimicrobiale, in cibis, medicamentis et pharmaceuticis. Usus etiam pro analysi reagentiarum organicarum. Bona in fomace, fermento et bacteria latos effectus antibacteriales habent, fermentum et forma ad partes validi, sed praesertim bacteria gram-negativae bacilli et munus pauperis Lactobacilli. Cibus et medicina fungicides conservationem efficientem.

    Specification

    ITEM SPECIFICATION
    Aspectus Album pulveris crystallini
    Puritas >= 99.0%
    punctum liquescens 125- 128
    Reliqua ignitio =< 0.1%
    Acidum (mg/g) 4.0- 7.0
    Substantiae cognatae =< 0.5%
    Lepidium sativum Conformare
    Claritas solutionis Patet ac perlucidum
    Metallum grave (ut Pb) =< 10 ppm

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