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Name	Sodium 4-hydroxymercuriobenzoate	EINECS	205-340-5
CAS No.	138-85-2	Density	g/cm³
PSA	60.36000	LogP	-0.95460
Solubility	N/A	Melting Point	≥300 °C
Formula	C7H5 Hg O3 . Na	Boiling Point	°Cat760mmHg
Molecular Weight	360.70	Flash Point	°C
Transport Information	N/A	Appearance	White crystalline powder
Safety	Poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits toxic fumes of Hg and Na₂O. See also MERCURY COMPOUNDS, INORGANIC; MERCURY COMPOUNDS, ORGANIC.	Risk Codes	26/27/28-33-50/53
Molecular Structure		Hazard Symbols
Synonyms	Mercurate(1-),(4-carboxylatophenyl)hydroxy-, sodium (9CI);Mercury,(p-carboxyphenyl)hydroxy-, monosodium salt (8CI);NSC 1048;PCMB;PHMB;Sodium4-(hydroxymercuri)benzoate;Sodium p-hydroxymercuribenzoate;p-Chloromercuribenzoate;

Sodium 4-hydroxymercuriobenzoate Chemical Properties

IUPAC Name: Sodium (4-carboxylatophenyl)-hydroxy-mercury
The MF of Sodium 4-hydroxymercuriobenzoate (CAS NO.138-85-2) is C₇H₅HgNaO₃.

The MW of Sodium 4-hydroxymercuriobenzoate (CAS NO.138-85-2) is 360.69.
Synonyms of Sodium 4-hydroxymercuriobenzoate (CAS NO.138-85-2): 4-(Hydroxymercuri)benzoic acid sodium salt ; p-Chloromercuribenzoate
Product Categories: Organometallics
Apperance: White crystalline powder
Melting Point: >=300 °C
Storage temp: Poison room
EINECS: 205-340-5

Sodium 4-hydroxymercuriobenzoate Uses

Sodium 4-hydroxymercuriobenzoate (CAS NO.138-85-2) is used as chemical reagent, organic intermediates, fine chemicals, pharmaceutical research and development.

Sodium 4-hydroxymercuriobenzoate Toxicity Data With Reference

1.		sln-mold-asn 8 µmol/L		MUREAV Mutation Research. 178 (1987),33.
2.		ipr-rat LD50:4960 µg/kg		JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. 36 (1947),30.

Sodium 4-hydroxymercuriobenzoate Consensus Reports

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

Sodium 4-hydroxymercuriobenzoate Safety Profile

Poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits toxic fumes of Hg and Na₂O. See also MERCURY COMPOUNDS, INORGANIC; MERCURY COMPOUNDS, ORGANIC.Safety information of Sodium 4-hydroxymercuriobenzoate (CAS NO.138-85-2):
Hazard Codes Very T+, Dangerous N
Risk Statements
26/27/28 Very Toxic by inhalation, in contact with skin and if swallowed
33 Danger of cumulative effects
50/53 Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements
13 Keep away from food, drink and animal feeding stuffs
28 After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
36 Wear suitable protective clothing
45 In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
60 This material and/or its container must be disposed of as hazardous waste
61 Avoid release to the environment. Refer to special instructions safety data sheet
RIDADR UN 2025 6.1/PG 2
WGK Germany 3
RTECS OV8150000
F 3-10
HazardClass 6.1(a)
PackingGroup II

Sodium 4-hydroxymercuriobenzoate 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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