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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 77821Generated: October 23, 2026

1,4-Piperazinedicarboxaldehyde

1,4-PIPERAZINEDICARBOXALDEHYDE · 1,4-Diformylpiperazine · 1,4-PIPERAZINE DIALDEHYDE · 1,4-PIPERAZINEDICARBALDEHYDE · 1,4-Diformylpiperazine, 98+% · piperazine-1,4-dicarbaldehyde · piperazine-1,4-dicarboxaldehyde · 1,4-Piperazinedicarboxaldehyde 98%

https://huagongshe.com/en/chemical/77821

1,4-Piperazinedicarboxaldehyde molecular structure

Identifiers & Physical Properties

CAS No.4164-39-0
Molecular formulaC6H10N2O2
Average molar mass142.16 g/mol
Monoisotopic mass142.07422756 g/mol
SMILESO=CN1CCN(C=O)CC1
InChIKeyCBLGQEBXWDKYDI-UHFFFAOYSA-N
PubChem CID77821
EC No.224-011-7
DTXSIDDTXSID4063329

Chemical & Physical Properties

XLogP-1
Topological polar surface area40.6
Hydrogen bond donors0
Hydrogen bond acceptors2
Rotatable bonds0
Heavy atoms10
Formal charge0
Complexity114
Melting point126-129 °C(lit.)
Boiling point154°C 0,25mm
Density1.2298 (rough estimate)
Refractive index1.5010 (estimate)
Flash point154°C/0.25mm
Storage conditionsunder inert gas (nitrogen or Argon) at 2-8°C
Physical statepowder to crystal
pKa (acidity coefficient)1.26±0.70(Predicted)
ColorWhite to Light yellow
SensitivityAir Sensitive
BRN121175
InChI1S/C6H10N2O2/c9-5-7-1-2-8(6-10)4-3-7/h5-6H,1-4H2
InChIKeyCBLGQEBXWDKYDI-UHFFFAOYSA-N
SMILESO=CN1CCN(CC1)C=O
CAS DataBase Reference4164-39-0(CAS DataBase Reference)
EPA Substance Registry System1,4-Piperazinedicarboxaldehyde (4164-39-0)
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP280g-P305+P351+P338
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Hazard symbolsXi
Risk statements (R)36/37/38
Safety statements (S)24/25-36/37-26
Water hazard class (WGK)3
TSCA inventory statusTSCA listed
Customs code29335990
Storage class11 - Combustible Solids

Safety & Regulations

GHS classificationThis chemical does not meet GHS hazard criteria for 96.3% (104 of 108) of all reports.Not ClassifiedAggregated GHS information provided per 108 reports by companies from 2 notifications to the ECHA C&L Inventory.
Hazard Classes and CategoriesNot Classified
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Water hazard class (WGK)3
TSCA inventory statusTSCA listed
Customs code29335990
Risk statements (R)36/37/38
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi
Safety statements (S)24/25-36/37-26
Storage class11 - Combustible Solids
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP280g-P305+P351+P338

Applications & Uses

Uses

1,4-Piperazinedicarboxaldehyde may be used in chemical synthesis studies.