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55540

Sigma-Aldrich

4-(Hydroxymercuri)benzoesäure Natriumsalz

≥95.0% (Hg)

Synonym(e):

Natrium-4-(hydroxymercuri)benzoat, PCMB, ‘p-Chlormercuribenzoat’

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About This Item

Empirische Formel (Hill-System):
C7H5HgNaO3
CAS-Nummer:
138-85-2
Molekulargewicht:
360.69
Beilstein:
6118796
EG-Nummer:
205-340-5
MDL-Nummer:
MFCD00002527
UNSPSC-Code:
12352103
PubChem Substanz-ID:
57651536
NACRES:
NA.25

Assay

≥95.0% (Hg)

mp (Schmelzpunkt)

≥300 °C

SMILES String

[Na+].O[Hg]c1ccc(cc1)C([O-])=O

InChI

1S/C7H5O2.Hg.Na.H2O/c8-7(9)6-4-2-1-3-5-6;;;/h2-5H,(H,8,9);;;1H2/q;2*+1;/p-2

InChIKey

CBELQCYFTSHKPJ-UHFFFAOYSA-L

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Anwendung

4-(Hydroxymercuri)benzoic acid is an organic mercurial compound that reacts via mercury-sulfur affinity with sulfhydryl groups in peptides, proteins and other molecules. PCMB may be used for the determination of sulfhydryl groups in proteins according to Boyer, by atomic absorption, and stopped-flow measurements, G. Castronuovo-Lepore et al.. It may be used for specific applications such as probing the active site of an enzyme such as cytochrome C oxidase. 4-(Hydroxymercuri)benzoic acid appeared mistakenly as p-chloromercuriobenzoate [PCMB] in earlier literature.

Signalwort

Danger

Gefahreneinstufungen

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2

Lagerklassenschlüssel

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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