Product Name

Mersalyl theophylline Chemical Properties

IUPAC Name: Sodium; [3-[carboxylato-(2-methoxybenzoyl)amino]-2-methoxypropyl]mercury; 1,3-dimethyl-7H-purine-2,6-dione; hydrate
Synonyms of Mersalyl theophylline (CAS NO.63869-00-1): Salyrgan theophylline ; Sodium o-((3-hydroxymercuri-2-methoxypropyl)carbamyl)phenoxyacetate and theophylline ; Mercury, (3-(alpha-carboxy-o-anisamido)-2-methoxypropyl)hydroxy-, sodium salt, compd. with theophylline (1:1)
CAS NO: 63869-00-1
Molecular Formula: C20H25HgN5NaO8
Molecular Weight : 687.021
Molecular Structure:
H bond acceptors: 6
H bond donors: 1
Freely Rotating Bonds: 7
Polar Surface Area: 76.07Å2

Mersalyl theophylline Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 subcutaneous 253mg/kg (253mg/kg)   Journal of Pharmacology and Experimental Therapeutics. Vol. 105, Pg. 336, 1952.
mouse LDLo intraperitoneal 131mg/kg (131mg/kg)   Compilation of LD50 Values of New Drugs.
mouse LDLo oral 530mg/kg (530mg/kg)   Compilation of LD50 Values of New Drugs.
rat LD50 intramuscular 37mg/kg (37mg/kg)   Journal of Pharmacology and Experimental Therapeutics. Vol. 105, Pg. 336, 1952.

Mersalyl theophylline Consensus Reports

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

Mersalyl theophylline Safety Profile

Poison by intramuscular route. Moderately toxic by ingestion. When Mersalyl theophylline (CAS NO.63869-00-1) is heated to decomposition ,it emits very toxic fumes of Hg, Na2O, and NOx. See also MERCURY COMPOUNDS, INORGANIC; MERCURY COMPOUNDS, ORGANIC and THEOPHYLLINE.

Mersalyl theophylline 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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