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Name	Pralidoxime mesylate	EINECS	N/A
CAS No.	154-97-2	Density	g/cm³
PSA	102.05000	LogP	0.56140
Solubility	N/A	Melting Point	155°
Formula	C₇H₁₀N₂O•CH₃O₃S	Boiling Point	189.7°Cat760mmHg
Molecular Weight	232.26	Flash Point	68.5°C
Transport Information	N/A	Appearance	N/A
Safety	Poison by intraperitoneal, subcutaneous, intravenous, and intramuscular routes. Moderately toxic by ingestion. Human systemic effects by ingestion: gastrointestinal changes; by intravenous route: blood pressure elevation. When heated to decomposition it emits very toxic fumes of NO_x and SO_x.	Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	pralidoximemesilate;PralidoximeMesylate;NMethylpyridinium2aldoximemesylate(Pralidoximemesylate),>98%;PralidoxmeMesylate;Pralidoximemethylsulfate	Article Data	4

Pralidoxime mesylate Chemical Properties

Molecule structure of Pralidoxime mesylate (CAS NO.154-97-2):

IUPAC Name: Methanesulfonate; [(E)-(1-methylpyridin-2-ylidene)methyl]-oxoazanium
Molecular Weight: 232.25688 g/mol
Molecular Formula: C₈H₁₂N₂O₄S
H-Bond Donor: 1
H-Bond Acceptor: 5
Rotatable Bond Count: 1
Tautomer Count: 2
Exact Mass: 232.051778
MonoIsotopic Mass: 232.051778
Topological Polar Surface Area: 91.5
Heavy Atom Count: 15
Complexity: 295
Canonical SMILES: CN1C=CC=CC1=C[NH+]=O.CS(=O)(=O)[O-]
Isomeric SMILES: CN\1C=CC=C/C1=C\[NH+]=O.CS(=O)(=O)[O-]
InChI: InChI=1S/C7H8N2O.CH4O3S/c1-9-5-3-2-4-7(9)6-8-10;1-5(2,3)4/h2-6H,1H3;1H3,(H,2,3,4)/b7-6+;
InChIKey: WWZYJJGFUIAWNW-UHDJGPCESA-N
EINECS of Pralidoxime mesylate (CAS NO.154-97-2): 205-839-8

Pralidoxime mesylate Toxicity Data With Reference

1.	orl-hmn TDLo:52,500 mg/kg/4W-I:GIT	AEHLAU Archives of Environmental Health. 15 (1967),599.
2.	ivn-hmn TDLo:45 mg/kg:CVS	AEHLAU Archives of Environmental Health. 15 (1967),599.
3.	orl-rat LD50:7000 mg/kg	CJBPAZ Canadian Journal of Biochemistry and Physiology. 39 (1961),351.
4.	ipr-rat LD50:262 mg/kg	BJPCAL British Journal of Pharmacology and Chemotherapy. 13 (1958),202.
5.	scu-rat LD50:332 mg/kg	BJPCAL British Journal of Pharmacology and Chemotherapy. 13 (1958),202.
6.	ivn-rat LD50:109 mg/kg	BJPCAL British Journal of Pharmacology and Chemotherapy. 13 (1958),202.
7.	ims-rat LD50:188 µg/kg	BJPCBM British Journal of Pharmacology. 39 (1970),822.
8.	orl-mus LD50:3700 mg/kg	CJBPAZ Canadian Journal of Biochemistry and Physiology. 39 (1961),351.
9.	scu-mus LD50:165 mg/kg	BJPCAL British Journal of Pharmacology and Chemotherapy. 13 (1958),202.
10.	ivn-mus LD50:122 mg/kg	BJPCAL British Journal of Pharmacology and Chemotherapy. 13 (1958),202.

Pralidoxime mesylate Safety Profile

Poison by intraperitoneal, subcutaneous, intravenous, and intramuscular routes. Moderately toxic by ingestion. Human systemic effects by ingestion: gastrointestinal changes; by intravenous route: blood pressure elevation. When heated to decomposition it emits very toxic fumes of NO_x and SO_x.

Pralidoxime mesylate Specification

Pralidoxime mesylate (CAS NO.154-97-2) is also named as 1-Methylpyridinium-2-aldoxime methanesulfonate ; 2-Formyl-1-methylpyridinium methanesulfonate oxime ; 2-Formyl-N-methylpyridinium oxime methanesulfonate ; 2-Hydroxyiminomethyl-N-methylpyridinium methanesulfonate ; 2-Hydroxyiminomethyl-N-methylpyridinium methanesulphonate ; 2-Pam methanesulfonate ; Contrathion ; N-Methylpyridinium methane sulfonate 2-aldoxime ; N-Methylpyridinium-2-aldoxime methanesulphonate ; P2S ; Pralidoxime methanesulfonate ; Pralidoxime methosulfate ; Protopam methanesulfonate ; Pyridine-2-aldoxime methyl methane sulfonate ; Pyridinium, 2-((hydroxyimino)methyl)-1-methyl-, methanesulfonate ; Pyridinium, 2-aldoxime, N-methyl methanesulphonate ; UNII-45CO7XIN2K .

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