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Name	p-Chloromercuric benzoic acid	EINECS	N/A
CAS No.	59-85-8	Density	g/cm³
PSA	37.30000	LogP	1.24640
Solubility	N/A	Melting Point	287 °C (dec.)(lit.)
Formula	C7H4 Cl Hg O2 . H	Boiling Point	°Cat760mmHg
Molecular Weight	357.159	Flash Point	°C
Transport Information	N/A	Appearance	White Solid
Safety	Poison by intraperitoneal route. See also MERCURY COMPOUNDS, INORGANIC; MERCURY COMPOUNDS, ORGANIC. When heated to decomposition it emits very toxic fumes of Cl⁻ and Hg.	Risk Codes	R26/27/28; R33
Molecular Structure		Hazard Symbols	T+,N
Synonyms	Mercury,(p-carboxyphenyl)chloro- (8CI); (4-Carboxyphenyl)chloromercury;4-(Chloromercuri)benzoic acid; 4-Carboxyphenylmercuric chloride; NSC 32866;PCMB; p-(Chloromercuri)benzoic acid; p-Carboxyphenylmercuric chloride;p-Chlormercuribenzoic acid; p-Chloromercuric benzoic acid

p-Chloromercuric benzoic acid Chemical Properties

IUPAC Name: (4-carboxyphenyl)-chloro-mercury
Synonyms of p-Chloromercuric benzoic acid (CAS NO.59-85-8) : (4-Carboxyphenyl)(chloro)mercury ; Benzoic acid, p-(chloromercuri)- ; Mercury, (4-carboxyphenyl)chloro- ; (4-Carboxyphenyl)chloromercury
InChI: InChI=1/C7H5O2.ClH.Hg/c8-7(9)6-4-2-1-3-5-6;;/h2-5H,(H,8,9);1H;/q;;+1/p-1/rC7H5ClHgO2/c8-9-6-3-1-5(2-4-6)7(10)11/h1-4H,(H,10,11)
Product Categories: Aromatics;MTS & Sulfhydryl Active Reagents
CAS NO: 59-85-8
Molecular Formula:C₇H₅ClHgO₂
Molecular Weight :357.1564
Molecular Structure :
EINECS: 200-442-6
Melting Point: 287 °C (dec.)(lit.)
Appearance:White Solid

p-Chloromercuric benzoic acid Uses

p-Chloromercuric benzoic acid (CAS NO.59-85-8) is a useful sulfhydryl reagent that reacts with Histidine 225C, a residue of the NhaA-Na/H Antiporter of Escherichia Coli.

p-Chloromercuric benzoic acid Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intraperitoneal	25mg/kg (25mg/kg)		National Technical Information Service. Vol. AD277-689,

p-Chloromercuric benzoic acid Consensus Reports

Reported in EPA TSCA Inventory. Mercury and its compounds are on the Community Right-To-Know List.

p-Chloromercuric benzoic acid Safety Profile

Poison by intraperitoneal route. See also MERCURY COMPOUNDS, INORGANIC; MERCURY COMPOUNDS, ORGANIC. When heated to decomposition it emits very toxic fumes of Cl⁻ and Hg.

Hazard Codes Very T+ Dangerous N
Risk Statements 26/27/28-33-50/53
R26/27/28:Very toxic by inhalation, in contact with skin and if swallowed.
R33:Danger of cumulative effects.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements 13-28-36-45-60-61
S13:Keep away from food, drink and animal foodstuffs.
S28:After contact with skin, wash immediately with plenty of soap-suds.
S36:Wear suitable protective clothing.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR UN 2025 6.1/PG 2
WGK Germany 3
RTECS OV8050000
F 3-8-10
HazardClass 6.1(a)
PackingGroup II

p-Chloromercuric benzoic acid Standards and Recommendations

OSHA PEL: CL 0.1 mg(Hg)/m³ (skin)
ACGIH TLV: TWA 0.1 mg(Hg)/m³ (skin); BEI: 35 µg/g creatinine total inorganic mercury in urine preshift; 15 µg/g creatinine total inorganic mercury in blood at end of shift at end of workweek.
DFG MAK: Confirmed Animal Carcinogen with Unknown Relevance to Humans
NIOSH REL: (Mercury, Aryl and Inorganic) CL 0.1 mg/m³ (skin)

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