piperazine dihydrochloride

Modify Date: 2026-07-17 13:13:41

piperazine dihydrochloride Structure
piperazine dihydrochloride structure
Common Name piperazine dihydrochloride
CAS Number 142-64-3 Molecular Weight 159.05700
Density 1.92g/cm3 Boiling Point 149.3ºC at 760 mmHg
Molecular Formula C4H12Cl2N2 Melting Point 248-250
MSDS N/A Flash Point 49.7ºC
Symbol GHS08
GHS08
Signal Word Danger

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Piperazine Dihydrochloride Monohydrate
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.92g/cm3
Boiling Point 149.3ºC at 760 mmHg
Melting Point 248-250
Molecular Formula C4H12Cl2N2
Molecular Weight 159.05700
Flash Point 49.7ºC
Exact Mass 158.03800
PSA 24.06000
LogP 1.44080
InChIKey CVVIJWRCGSYCMB-UHFFFAOYSA-N
SMILES C1CNCCN1.Cl.Cl

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TL4025000
CHEMICAL NAME :
Piperazine, dihydrochloride
CAS REGISTRY NUMBER :
142-64-3
LAST UPDATED :
199712
DATA ITEMS CITED :
18
MOLECULAR FORMULA :
C4-H10-N2.2Cl-H
MOLECULAR WEIGHT :
159.08
WISWESSER LINE NOTATION :
T6M DMTJ &GH 2

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 :
4900 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GUCHAZ Guide to the Chemicals Used in Crop Protection. (Information Canada, 171 Slater St., Ottawa, Ont., Canada) Volume(issue)/page/year: 6,416,1973
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1970 mg/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
JJPAAZ Japanese Journal of Pharmacology. (Japanese Pharmacological Soc., c/o Dept. of Pharmacology, Faculty of Medicine, Kyoto Univ., Sakyo-ku, Kyoto 606, Japan) V.1- 1951- Volume(issue)/page/year: 17,475,1967
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2030 mg/kg
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 4,649,1954 *** REVIEWS *** ACGIH TLV-TWA 5 mg/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** OSHA PEL (Construc):skin CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 5 mg/m3 JAN 1993 OEL-BELGIUM:TWA 5 mg/m3 JAN 1993 OEL-DENMARK:TWA 5 mg/m3 JAN 1993 OEL-FRANCE:TWA 5 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 5 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 5 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO PIPERAZINE-air:10H TWA 5.0 mg/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80559 No. of Facilities: 68 (estimated) No. of Industries: 1 No. of Occupations: 5 No. of Employees: 1284 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80559 No. of Facilities: 163 (estimated) No. of Industries: 1 No. of Occupations: 12 No. of Employees: 5730 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS08
GHS08
Signal Word Danger
Hazard Statements H315-H317-H319-H334-H361fd-H412
Precautionary Statements P261-P280-P284-P304 + P340-P305 + P351 + P338-P342 + P311
Hazard Codes Xn
Risk Phrases R36/37/38
Safety Phrases S22-S26-S36/37
RIDADR UN2579
RTECS TL4025000

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~80%

piperazine dihydrochloride Structure

piperazine dihy...

CAS#:142-64-3

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Literature: Knudsen, Kristian Rahbek; Holden, John; Ley, Steven V.; Ladlow, Mark Advanced Synthesis and Catalysis, 2007 , vol. 349, # 4-5 p. 535 - 538

~80%

piperazine dihydrochloride Structure

piperazine dihy...

CAS#:142-64-3

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Literature: Lorentz-Petersen, Linda L. R.; Nordstrom, Lars Ulrik; Madsen, Robert European Journal of Organic Chemistry, 2012 , # 34 p. 6752 - 6759

~0%

piperazine dihydrochloride Structure

piperazine dihy...

CAS#:142-64-3

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Literature: Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 20, # 6 p. 672 - 675 Khimiya Geterotsiklicheskikh Soedinenii, , vol. 20, # 6 p. 823 - 826

~%

piperazine dihydrochloride Structure

piperazine dihy...

CAS#:142-64-3

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Literature: Acta Poloniae Pharmaceutica, , vol. 15, p. 351,352 Chem.Abstr., , p. 8151

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Detail Learn More
Literature: Bulletin des Societes Chimiques Belges, , vol. 58, p. 103,104

 piperazine dihydrochlorideBioassay

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This table contains target information, in‑vitro & in‑vivo assay data for this compound.

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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Piperazine Dihydrochloride
MFCD00012754
EINECS 205-551-2

 piperazine dihydrochloride | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the safety information for Piperazine Dihydrochloride Monohydrate?
A: Safety information for Piperazine Dihydrochloride Monohydrate: S22-S26-S36/37.
Q: What is the molecular formula of Piperazine Dihydrochloride Monohydrate?
A: Molecular formula of Piperazine Dihydrochloride Monohydrate is C4H12Cl2N2.
Q: What is the CAS number of Piperazine Dihydrochloride Monohydrate?
A: CAS number of Piperazine Dihydrochloride Monohydrate is 142-64-3.
Q: What English synonyms does Piperazine Dihydrochloride Monohydrate have?
A: English synonyms of Piperazine Dihydrochloride Monohydrate: Piperazine Dihydrochloride, MFCD00012754, EINECS 205-551-2.
Q: What are the upstream materials of Piperazine Dihydrochloride Monohydrate?
A: Related upstream materials(CAS) of Piperazine Dihydrochloride Monohydrate: 31166-44-6;111-41-1;5700-04-9;6328-56-9;5712-71-0;110-85-0;75-44-5;108-88-3;71-43-2.
Q: What is the InChIKey of Piperazine Dihydrochloride Monohydrate?
A: InChIKey of Piperazine Dihydrochloride Monohydrate is CVVIJWRCGSYCMB-UHFFFAOYSA-N.
Q: What is the molecular weight of Piperazine Dihydrochloride Monohydrate?
A: Molecular weight of Piperazine Dihydrochloride Monohydrate is 159.05700.
Q: What is the English name of Piperazine Dihydrochloride Monohydrate?
A: The English name of Piperazine Dihydrochloride Monohydrate is Piperazine Dihydrochloride Monohydrate.
Q: What is the SMILES notation of Piperazine Dihydrochloride Monohydrate?
A: SMILES notation of Piperazine Dihydrochloride Monohydrate is C1CNCCN1.Cl.Cl.
Q: What is the polar surface area (PSA) of Piperazine Dihydrochloride Monohydrate?
A: Polar surface area (PSA) of Piperazine Dihydrochloride Monohydrate is 24.06000.

 piperazine dihydrochloridefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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