Meperidine Hydrochloride

Names

[ CAS No. ]:
50-13-5

[ Name ]:
Meperidine Hydrochloride

[Synonym ]:
pethidine hydrochloride
1-Methyl-4-phenyl-piperidin-4-carbonsaeure-aethylester,Hydrochlorid
Dolantal
Antiduol
Dispadol
Dolestine
Meperidine Hydrochloride
Algil
Chlorbycyclen
Centralgin
meperidine HCl
Dolantin
1-methyl-4-phenyl-piperidine-4-carboxylic acid ethyl ester,hydrochloride
Dolargan
Dolaren

Chemical & Physical Properties

[ Density]:
1.0858

[ Boiling Point ]:
282°C

[ Melting Point ]:
186-189°

[ Molecular Formula ]:
C15H22ClNO2

[ Molecular Weight ]:
283.79400

[ Flash Point ]:
11 °C

[ Exact Mass ]:
283.13400

[ PSA ]:
29.54000

[ LogP ]:
2.95300

[ Index of Refraction ]:
1.5200

[ Storage condition ]:
2-8°C

[ Water Solubility ]:
Very soluble in water, freely soluble in alcohol.

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
NS5950000
CHEMICAL NAME :
Isonipecotic acid, 1-methyl-4-phenyl-, ethyl ester, hydrochloride
CAS REGISTRY NUMBER :
50-13-5
LAST UPDATED :
199709
DATA ITEMS CITED :
34
MOLECULAR FORMULA :
C15-H21-N-O2.Cl-H
MOLECULAR WEIGHT :
283.83
WISWESSER LINE NOTATION :
T6NTJ A1 DVO2 DR &GH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intramuscular
SPECIES OBSERVED :
Human - woman
DOSE/DURATION :
43 mg/kg/2D-I
TOXIC EFFECTS :
Behavioral - muscle contraction or spasticity
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intramuscular
SPECIES OBSERVED :
Human - woman
DOSE/DURATION :
13500 ug/kg/3D-I
TOXIC EFFECTS :
Behavioral - hallucinations, distorted perceptions
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
170 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
65 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Behavioral - excitement Behavioral - rigidity (including catalepsy)
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
175 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
30 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
280 mg/kg
TOXIC EFFECTS :
Behavioral - analgesia
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
178 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
104 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia Lungs, Thorax, or Respiration - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
150 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
32 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
68 mg/kg
TOXIC EFFECTS :
Behavioral - analgesia
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Behavioral - excitement
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - mydriasis (pupillary dilation) Behavioral - analgesia Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Behavioral - analgesia Lungs, Thorax, or Respiration - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
20 mg/kg
TOXIC EFFECTS :
Behavioral - analgesia Lungs, Thorax, or Respiration - other changes
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intramuscular
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
111 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Bird - chicken
DOSE/DURATION :
52 mg/kg
TOXIC EFFECTS :
Behavioral - changes in motor activity (specific assay)
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Bird - chicken
DOSE/DURATION :
42 mg/kg
TOXIC EFFECTS :
Behavioral - changes in motor activity (specific assay)
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Parenteral
SPECIES OBSERVED :
Amphibian - frog
DOSE/DURATION :
515 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
2700 mg/kg/7W-I
TOXIC EFFECTS :
Gastrointestinal - changes in structure or function of salivary glands Blood - hemorrhage Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
22875 mg/kg/44W-I
TOXIC EFFECTS :
Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intramuscular
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
1260 mg/kg/4W-I
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - ataxia Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Primate - monkey
DOSE/DURATION :
12200 mg/kg/44W-I
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Nutritional and Gross Metabolic - weight loss or decreased weight gain
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intramuscular
SPECIES OBSERVED :
Primate - monkey
DOSE/DURATION :
225 mg/kg/5D-I
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intravenous
DOSE :
735 ug/kg
SEX/DURATION :
female 39 week(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - other effects to embryo
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intramuscular
DOSE :
1 mg/kg
SEX/DURATION :
female 39 week(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - parturition Reproductive - Effects on Newborn - biochemical and metabolic
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
146 mg/kg
SEX/DURATION :
female 8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - Central Nervous System
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
250 mg/kg
SEX/DURATION :
female 8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - other developmental abnormalities
TYPE OF TEST :
Micronucleus test

MUTATION DATA

TEST SYSTEM :
Rodent - mouse
DOSE/DURATION :
2 mg/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 78,97,1980 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X3185 No. of Facilities: 172 (estimated) No. of Industries: 1 No. of Occupations: 7 No. of Employees: 10331 (estimated) No. of Female Employees: 9480 (estimated)

Safety Information

[ Symbol ]:

GHS06

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H301

[ Precautionary Statements ]:
P301 + P310

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges

[ Hazard Codes ]:
T,F

[ Risk Phrases ]:
25-39/23/24/25-23/24/25-11

[ Safety Phrases ]:
26-36/37/39-45-36/37-16-7

[ RIDADR ]:
UN 1544

[ RTECS ]:
NS5950000

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1(b)

Synthetic Route

Precursor & DownStream

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