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437166

Sigma-Aldrich

2-Phenyl-5-benzimidazolesulfonic acid

96%

Synonym(s):

Ensulizole

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About This Item

Empirical Formula (Hill Notation):
C13H10N2O3S
CAS Number:
27503-81-7
Molecular Weight:
274.30
MDL number:
MFCD00053007
UNSPSC Code:
12352100
PubChem Substance ID:
24867351
NACRES:
NA.22
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Quality Level

100

Assay

96%

mp

>300 °C (lit.)

solubility

ethanol and water: soluble (as sodium salt)

functional group

phenyl
sulfonic acid

SMILES string

OS(=O)(=O)c1ccc2[nH]c(nc2c1)-c3ccccc3

InChI

1S/C13H10N2O3S/c16-19(17,18)10-6-7-11-12(8-10)15-13(14-11)9-4-2-1-3-5-9/h1-8H,(H,14,15)(H,16,17,18)

InChI key

UVCJGUGAGLDPAA-UHFFFAOYSA-N

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This Item
153080968569PHR1301
2-Phenyl-5-benzimidazolesulfonic acid 96%

437166

2-Phenyl-5-benzimidazolesulfonic acid

Ensulizole United States Pharmacopeia (USP) Reference Standard

1530809

Ensulizole

2-Phenyl-5-benzimidazolesulfonic acid analytical standard

68569

2-Phenyl-5-benzimidazolesulfonic acid

Ensulizole(2-Phenylbenzimidazole 5-sulfonic acid) Pharmaceutical Secondary Standard; Certified Reference Material

PHR1301

Ensulizole(2-Phenylbenzimidazole 5-sulfonic acid)

assay

96%

assay

-

assay

≥98.0% (HPLC)

assay

-

solubility

ethanol and water: soluble (as sodium salt)

solubility

-

solubility

-

solubility

-

Quality Level

100

Quality Level

-

Quality Level

100

Quality Level

300

mp

>300 °C (lit.)

mp

>300 °C (lit.)

mp

>300 °C (lit.)

mp

>300 °C (lit.)

functional group

phenyl

functional group

-

functional group

-

functional group

-

General description

2-Phenyl-5-benzimidazolesulfonic acid has been reported as UV filter.[1] It is a xenobiotic compound detected in in gray water from houses and effluents of the biological treatment systems (aerobic, anaerobic, and combined anaerobic+aerobic).[2] It is a micropollutant of personal care products and its removal from aerobically treated grey water by ozonation and adsorption onto activated carbon has been reported.[3]

Application

2-Phenyl-5-benzimidazolesulfonic acid was used for the fabrication of biomimetic sensor for determination of 4-methylbenzylidene camphor (4-MBC), an ultraviolet (UV) radiation protector.[1]
UV absorber

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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    Certificates of Analysis (COA)

    Lot/Batch Number
    MKCG5554
    MKCD2030
    MKBW3362V
    MKBP8062V
    MKBM3441V

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    Lucía Hernández Leal et al.
    Environmental science & technology, 44(17), 6835-6842 (2010-08-05)
    Eighteen selected xenobiotics related to personal care and household chemicals (UV-filters, fragrances, preservatives, biocides, surfactants) were measured in gray water from 32 houses and in effluents of three different biological treatment systems (aerobic, anaerobic, and combined anaerobic+aerobic). All selected xenobiotics
    Application of a biomimetic sensor based on iron phthalocyanine chloride: 4-methylbenzylidene-camphor detection.
    Boni AC, et al.
    Journal of the Brazilian Chemical Society, 21(7), 1377-1383 (2010)
    L Hernández-Leal et al.
    Water research, 45(9), 2887-2896 (2011-04-02)
    Ozonation and adsorption onto activated carbon were tested for the removal micropollutants of personal care products from aerobically treated grey water. MilliQ water spiked with micropollutants (100-1600 μgL(-1)) was ozonated at a dosing rate of 1.22. In 45 min, this
    Ashley R Heurung et al.
    Dermatitis : contact, atopic, occupational, drug, 25(6), 289-326 (2014-11-11)
    Sunscreen is a key component in the preventive measures recommended by dermatologists and public health campaigns aimed at reducing sunburn, early skin aging, and skin cancer. To maximize compliance, adverse reactions to sunscreens should be minimized. Although inactive ingredients cause
    Murilo L Bello et al.
    PloS one, 10(3), e0121110-e0121110 (2015-03-25)
    Layered drug delivery carriers are current targets of nanotechnology studies since they are able to accommodate pharmacologically active substances and are effective at modulating drug release. Sodium montmorillonite (Na-MMT) is a clay that has suitable properties for developing new pharmaceutical

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