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51-15-0

51-15-0 structure
51-15-0 structure
  • Name: 2-Pyridinealdoxime methochloride
  • Chemical Name: pralidoxime chloride
  • CAS Number: 51-15-0
  • Molecular Formula: C7H9ClN2O
  • Molecular Weight: 172.612
  • Catalog: API Special medicine Antidote
  • Create Date: 2018-06-02 08:00:00
  • Modify Date: 2025-08-24 11:32:00
  • Pralidoxime chloride is a useful agent in the treatment of organophosphate poisoning. Pralidoxime binds to organophosphate-inactivated acetylcholinesterase, used to combat poisoning by organophosphates or acetylcholinesterase inhibitors (nerve agents) in conjunction with atropine and diazepam.
Name pralidoxime chloride
Synonyms Pyraloximi Methchlordum
protopamchloride
1-methyl-2-pyridine aldoxyme chloride
2-[(E)-(Hydroxyimino)methyl]-1-methylpyridinium chloride
2-Pyridine aldoxime methyl chloride
pralidoxime
EINECS 200-080-9
pyridinium, 2-[(hydroxyimino)methyl]-1-methyl-, chloride (1:1)
2-Pyridinealdoxime methochloride
Pralidoxome Chloride
Pralidoxime Chloride
pyridinium, 2-[(E)-(hydroxyimino)methyl]-1-methyl-, chloride
2-PAM CHLORIDE
2-[hydroxyimino ethyl]-1-methylpyridinium chloride
MFCD00011981
Protopam
Pyridine-2-aldoxiMe Meth
PRALIDOXIMECHLORIDE,USP
2-[(Hydroxyimino)methyl]-1-methylpyridinium chloride
Pyridinium, 2-[(E)-(hydroxyimino)methyl]-1-methyl-, chloride (1:1)
2-PAM-Cl
1-MethylpyridiniuM-2-aldoxiMe Chloride
PAM CHLORIDE
Description Pralidoxime chloride is a useful agent in the treatment of organophosphate poisoning. Pralidoxime binds to organophosphate-inactivated acetylcholinesterase, used to combat poisoning by organophosphates or acetylcholinesterase inhibitors (nerve agents) in conjunction with atropine and diazepam.
Related Catalog
Boiling Point 189.7ºC at760mmHg
Melting Point 215-225 ºC
Molecular Formula C7H9ClN2O
Molecular Weight 172.612
Flash Point 68.5ºC
Exact Mass 172.040344
PSA 36.47000
Storage condition 0-6°C
Water Solubility 65.5 g/100 mL (25 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UU4200000
CHEMICAL NAME :
Pyridinium, 2-formyl-1-methyl-, chloride, oxime
CAS REGISTRY NUMBER :
51-15-0
LAST UPDATED :
199603
DATA ITEMS CITED :
14
MOLECULAR FORMULA :
C7-H9-N2-O.Cl
MOLECULAR WEIGHT :
172.63
WISWESSER LINE NOTATION :
T6KJ A1 B1UNQ &G

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
14 mg/kg
TOXIC EFFECTS :
Behavioral - coma Lungs, Thorax, or Respiration - bronchiolar constriction Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,449,1969
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Human
DOSE/DURATION :
15 mg/kg
TOXIC EFFECTS :
Vascular - BP elevation not characterized in autonomic section
REFERENCE :
AEHLAU Archives of Environmental Health. (Heldref Pub., 4000 Albemarle St., NW, Washington, DC 20016) V.1- 1960- Volume(issue)/page/year: 15,599,1967
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
96 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 16,40,1970
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intramuscular
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
150 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 16,40,1970
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
4100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961- Volume(issue)/page/year: 53,1143,1964
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
155 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 14,5,1964
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
90 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 14,5,1964
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intramuscular
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
DCTODJ Drug and Chemical Toxicology. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.1- 1977/78- Volume(issue)/page/year: 8,431,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intramuscular
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
75 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 4,S106,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
95 mg/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: 132,50,1961
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intramuscular
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
168 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 16,40,1970 *** REVIEWS *** TOXICOLOGY REVIEW JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961- Volume(issue)/page/year: 53,1143,1964 TOXICOLOGY REVIEW AJMEAZ American Journal of Medicine. (Technical Pub., 875 Third Ave., New York, NY 10022) V.1- 1946- Volume(issue)/page/year: 50,475,1971 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X6078 No. of Facilities: 17 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 968 (estimated) No. of Female Employees: 494 (estimated)
Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302 + H312 + H332
Precautionary Statements P261-P280-P301 + P312 + P330
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn:Harmful;
Risk Phrases R20/22;R36/37/38
Safety Phrases S36-S37/39-S26
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS UU4200000
HS Code 2933399090
154-97-2 structure

154-97-2

~90%

51-15-0 structure

51-15-0

Literature: Unnisa, Lateef; Sumakanth; Rao, B. Leelamaheswara; Divi, Murali Krishnaprasad; Rao, Mysore Aswathanarayana Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2014 , vol. 53, # 4 p. 431 - 435
70275-57-9 structure

70275-57-9

~89%

51-15-0 structure

51-15-0

Literature: Unnisa, Lateef; Sumakanth; Rao, B. Leelamaheswara; Divi, Murali Krishnaprasad; Rao, Mysore Aswathanarayana Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2014 , vol. 53, # 4 p. 431 - 435
873-69-8 structure

873-69-8

~%

51-15-0 structure

51-15-0

Literature: Unnisa, Lateef; Sumakanth; Rao, B. Leelamaheswara; Divi, Murali Krishnaprasad; Rao, Mysore Aswathanarayana Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2014 , vol. 53, # 4 p. 431 - 435
Precursor  3

DownStream  0

HS Code 2933399090
Summary 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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