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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 13613Generated: November 3, 2026

Nitrosohexamethylenimine

NHI · n-6-mi · 1-nitrosoazepane · n-nitrosoazacycloheptane · n-nitrosoperhydroazepine · n-nitrosohexahydroazepine · Pivmecillinam Impurity 10 · HEXAHYDRO-1-NITROSOAZEPINE

https://huagongshe.com/en/chemical/13613

Nitrosohexamethylenimine molecular structure

Identifiers & Physical Properties

CAS No.932-83-2
Molecular formulaC6H12N2O
Average molar mass128.17 g/mol
Monoisotopic mass128.09496301 g/mol
SMILESO=NN1CCCCCC1
InChIKeyUZMVSVHUTOAPTD-UHFFFAOYSA-N
PubChem CID13613
ChEMBLCHEMBL165191
EC No.213-258-6
DTXSIDDTXSID0021040

Chemical & Physical Properties

XLogP0.9
Topological polar surface area32.7
Hydrogen bond donors0
Hydrogen bond acceptors3
Rotatable bonds0
Heavy atoms9
Formal charge0
Complexity87.1
Chemical classesNitrogen Compounds -> Nitrosamines
LogP (partition coefficient)0.92
Vapor pressure0.45 [mmHg]
Physical DescriptionYellow liquid[Sigma-Aldrich MSDS]
Boiling point233 °C(lit.)
Density1.06 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.497(lit.)
Flash point99 °C
Storage conditions2-8°C
SolubilityChloroform (Slightly), Methanol (Slightly)12.82g/L(24 ºC)
Physical stateOil
pKa (acidity coefficient)-3.18±0.20(Predicted)
ColorColourless
Henry's law constant4.3×101 mol/(m3Pa) at 25℃, Mirvish et al. (1976)
FDA UNIIN67X53N3YT
Proposition 65 ListN-Nitrosohexamethyleneimine
GHS pictogramGHS07,GHS08
Signal wordDanger
GHS hazard statementsH302-H315-H319-H335-H350
GHS precautionary statementsP201-P261-P305+P351+P338-P308+P313
Hazard symbolsT
Risk statements (R)45-22-36/37/38
Safety statements (S)53-36/37/39-45
Water hazard class (WGK)3
RTECS numberCM3325000
ToxicityLD50 orl-rat: 336 mg/kg CNREA8 28,1217,68

Safety & Regulations

GHS classificationDangerH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P203, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P318, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 40 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatory informationHazard Traits - Carcinogenicity
Hazards summaryCauses convulsions in oral lethal-dose studies of ratsCauses other liver changes, chronic pulmonary edema, and changes in blood vessels or circulation of the kidney in subcutaneous lethal-dose studies of mice[RTECS] A skin and strong eye irritantHarmful by ingestionPossible carcinogen[Sigma-Aldrich MSDS] See NITROSAMINES.
Hazard Classes and CategoriesAcute Tox. 4 (100%)
Water hazard class (WGK)3
RTECS numberCM3325000
ToxicityLD50 orl-rat: 336 mg/kg CNREA8 28,1217,68
Risk statements (R)45-22-36/37/38
Signal wordDanger
GHS pictogramGHS07,GHS08
Hazard symbolsT
Safety statements (S)53-36/37/39-45
GHS hazard statementsH302-H315-H319-H335-H350
GHS precautionary statementsP201-P261-P305+P351+P338-P308+P313

Applications & Uses

Uses

N-Nitrosohexamethylenimine is a carcinogen.