*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : BR3300000
CHEMICAL NAME : Ammonium, (m-hydroxyphenyl)trimethyl-,
dimethylcarbamate (ester)
CAS REGISTRY NUMBER : 59-99-4
BEILSTEIN REFERENCE NO. : 3615946
LAST UPDATED : 199612
DATA ITEMS CITED : 10
MOLECULAR FORMULA : C12-H19-N2-O2
MOLECULAR WEIGHT : 223.33
WISWESSER LINE NOTATION : 1N1&VOR CK1&1&1
SYNONYMS/TRADE NAMES :
* Benzenaminium, 3-(((dimethylamino)carbonyl)oxy)-N,N,N-trimethyl-
* Eustigmin
* Eustigmine
* (m-Hydroxyphenyl)trimethylammonium dimethylcarbamate (ester)
* Neostigmine
* Prostigmin
* Prostigmine
* Vagostigmine
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 225 ug/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - flaccid paralysis without anesthesia
(usually neuromuscular blockage)
Sense Organs and Special Senses (Eye) - chromodacryorrhea
Lungs, Thorax, or Respiration - structural or functional change in trachea
or bronchi
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4-
1898- Volume(issue)/page/year: 101,205,1955
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 12340 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams &
Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10-
Volume(issue)/page/year: 117,75,1956
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 380 ug/kg
TOXIC EFFECTS :
Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4-
1898- Volume(issue)/page/year: 192,88,1971
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 280 ug/kg
TOXIC EFFECTS :
Behavioral - tremor
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
JPPMAB Journal of Pharmacy and Pharmacology. (Pharmaceutical Soc. of Great
Britain, 1 Lambeth High St., London SEI 7JN, UK) V.1- 1949-
Volume(issue)/page/year: 34,603,1982
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 160 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IJNEAQ International Journal of Neuropharmacology. (New York, NY) V.1-8,
1962-69. For publisher information, see NEPHBW. Volume(issue)/page/year:
8,131,1969
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 769 ug/kg
TOXIC EFFECTS :
Behavioral - muscle contraction or spasticity
Gastrointestinal - changes in structure or function of salivary glands
Gastrointestinal - ulceration or bleeding from large intestine
REFERENCE :
FEPRA7 Federation Proceedings, Federation of American Societies for
Experimental Biology. (Bethesda, MD) V.1-46, 1942-87.
Volume(issue)/page/year: 5,184,1946
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 500 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85IXA4 "Structure et Activite Pharmacodyanmique des Medicaments du Systeme
Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948
Volume(issue)/page/year: -,452,1948
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 250 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85IXA4 "Structure et Activite Pharmacodyanmique des Medicaments du Systeme
Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948
Volume(issue)/page/year: -,452,1948
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 340 ug/kg
TOXIC EFFECTS :
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - true cholinesterase
REFERENCE :
DCTODJ Drug and Chemical Toxicology. (Marcel Dekker, 270 Madison Ave., New
York, NY 10016) V.1- 1977/78- Volume(issue)/page/year: 3,319,1980
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - X4328
No. of Facilities: 93 (estimated)
No. of Industries: 1
No. of Occupations: 4
No. of Employees: 9279 (estimated)
No. of Female Employees: 8458 (estimated)
*** END OF RECORD ***