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Basic Information
CAS No.: 140-20-5
Name: MERALLURIDE
Molecular Structure:
Molecular Structure of 140-20-5 (MERALLURIDE)
Formula: C9H16 Hg N2 O6
Molecular Weight: 448.86
Synonyms: Mercury,[3-[3-(3-carboxypropionyl)ureido]-2-methoxypropyl]hydroxy- (8CI); Succinamicacid, N-[[3-(hydroxymercuri)-2-methoxypropyl]carbamoyl]- (6CI);Methoxyhydroxymercuripropylsuccinylurea; Methoxyoximercuripropylsuccinyl urea;N-[[3-(Hydroxymercuri)-2-methoxypropyl]-carbamoyl]succinamic acid; NSC 19910
Density: g/cm3
Boiling Point: °Cat760mmHg
Flash Point: °C
Safety: A human poison by intramuscular route. Poison experimentally by subcutaneous route. When heated to decomposition it emits very toxic fumes of Hg and NOx. See also MERCURY COMPOUNDS, INORGANIC; MERCURY COMPOUNDS, ORGANIC.
PSA: 124.96000
LogP: 0.26210
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Chemistry

IUPAC Name: [3-[(4-Hydroxy-4-oxobutanoyl)carbamoylamino]-2-methoxypropyl]mercury hydrate
Following is the structure of Methoxyoximercuripropylsuccinyl urea (CAS NO.140-20-5):
         
Empirical Formula: C9H17HgN2O6
Molecular Weight: 449.8311 g/mol
Canonical SMILES: COC(CNC(=O)NC(=O)CCC(=O)O)C[Hg].O
InChI: InChI=1S/C9H15N2O5.Hg.H2O/c1-6(16-2)5-10-9(15)11-7(12)3-4-8(13)14;;/h6H,1,3-5H2,2H3,(H,13,14)(H2,10,11,12,15);;1H2
InChIKey: HXYLKKGRIDSMFL-UHFFFAOYSA-N

Toxicity Data With Reference

1.    

ims-hmn LDLo:314 mg/kg/18D

     JAMAAP    JAMA, Journal of the American Medical Association. 147 (1951),377.
2.    

scu-rat LD50:28 mg/kg

     JOPDAB    Journal of Pediatrics. 69 (1966),663.

Consensus Reports

 Mercury and its compounds are on the Community Right-To-Know List.

Safety Profile

A human poison by intramuscular route. Poison experimentally by subcutaneous route. When heated to decomposition, Methoxyoximercuripropylsuccinyl urea (CAS NO.140-20-5) emits very toxic fumes of Hg and NOx. See also MERCURY COMPOUNDS, INORGANIC; MERCURY COMPOUNDS, ORGANIC.

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, Organo) TWA 0.01 mg/m3; STEL 0.03 mg/m3 (skin)

Specification

 Methoxyoximercuripropylsuccinyl urea , its cas register number is 140-20-5. It also can be calledMercury, (3-((((3-carboxy-1-oxopropyl)amino)carbonyl)amino)-2-methoxypropyl)hydroxy- ; Methoxyhydroxymercuripropylsuccinylurea ; N-((3-(Hydroxymercuri)-2-methoxypropyl)-carbamoyl)succinamic acid ; and Succinamic acid, N-((3-(hydroxymercurio)-2-methoxypropyl)carbamoyl)- . Its classification code are Human Data and Organometallic.