Pyrrolidine

Modify Date: 2025-08-19 22:29:54

Pyrrolidine Structure
Pyrrolidine structure
 Common Name Pyrrolidine
CAS Number 123-75-1 Molecular Weight 71.121
Density 0.8±0.1 g/cm3 Boiling Point 89.5±8.0 °C at 760 mmHg
Molecular Formula C4H9N Melting Point -63 °C
MSDS Chinese USA Flash Point 2.8±0.0 °C
Symbol GHS02 GHS05 GHS07
GHS02, GHS05, GHS07		 Signal Word Danger

 Names

Name pyrrolidine
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.8±0.1 g/cm3
Boiling Point 89.5±8.0 °C at 760 mmHg
Melting Point -63 °C
Molecular Formula C4H9N
Molecular Weight 71.121
Flash Point 2.8±0.0 °C
Exact Mass 71.073502
PSA 12.03000
LogP 0.37
Vapour density 2.45 (vs air)
Vapour Pressure 58.6±0.2 mmHg at 25°C
Index of Refraction 1.428
Stability Stable; flammable. Incompatible with strong acids, strong oxidizing agents.

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UX9650000
CHEMICAL NAME :
Pyrrolidine
CAS REGISTRY NUMBER :
123-75-1
BEILSTEIN REFERENCE NO. :
0102395
LAST UPDATED :
199701
DATA ITEMS CITED :
11
MOLECULAR FORMULA :
C4-H9-N
MOLECULAR WEIGHT :
71.14
WISWESSER LINE NOTATION :
T5MTJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
300 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Behavioral - excitement Vascular - other changes
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 18(2),29,1974
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
450 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BCFAAI Bollettino Chimico Farmaceutico. (Societa Editoriale Farmaceutica, Via Ausonio 12, 20123 Milan, Italy) V.33- 1894- Volume(issue)/page/year: 103,414,1964
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1300 mg/m3/2H
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Behavioral - excitement Vascular - other changes
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 18(2),29,1974
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
420 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: 88,82,1946
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#06769
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,104,1982
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,104,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 39(4),86,1974 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 0.1 mg/m3;Skin JAN 1993

 Safety Information

Symbol GHS02 GHS05 GHS07
GHS02, GHS05, GHS07
Signal Word Danger
Hazard Statements H225-H302 + H332-H314
Precautionary Statements P210-P280-P305 + P351 + P338-P310
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes F:Flammable;C:Corrosive;
Risk Phrases R11;R20/21/22;R35
Safety Phrases S16-S26-S36/37/39-S45-S33
RIDADR UN 1922 3/PG 2
WGK Germany 2
RTECS UX9650000
Packaging Group II
Hazard Class 3
HS Code 2933990090

 Synthetic Route

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles52

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 Synonyms

Tetrahydro pyrrole
Pyrrolidine [UN1922] [Flammable liquid]
Pyrrole, tetrahydro-
Tetramethyleneimine
Pyrrolidinepyrrolidine
Azolan
EINECS 204-648-7
1-Azacyclopentane
T5MTJ
Tetrahydropyrrole,Tetramethyleneimine
MFCD00005249
Pyrrolidine
Tetrahydropyrrole
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