N-Nitrosopyrrolidine

Description

N-Nitrosopyrrolidine · CAS 930-55-2 · C4H8N2O. UNII SZ4J5WK201. Boiling Point: 417 °F at 760 mmHg (NTP, 1992); Boiling Point: 214 °C; Boiling Point: BP: 104-106 °C at 20 mm Hg.

Identification

CAS Registry Number	930-55-2
PubChem CID	13591
Molecular formula	C4H8N2O
IUPAC name	1-nitrosopyrrolidine
UNII (FDA)	SZ4J5WK201

Computed Descriptors

Molecular Weight	100.12
XLogP3	-0.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	100.063662883
Monoisotopic Mass	100.063662883
Topological Polar Surface Area	32.7
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Boiling Point	417 °F at 760 mmHg (NTP, 1992)
Boiling Point	214 °C
Boiling Point	BP: 104-106 °C at 20 mm Hg
Boiling Point	417 °F
Flash Point	181 °F (NTP, 1992)
Flash Point	181 °F
Solubility	1.00E+06 mg/L @ 24C (exp)
Density	1.085 g/cu cm at 25 °C
Density	1.085
Vapor Pressure	0.06 [mmHg]

Physical description & handling notes

• N-nitrosopyrrolidine is a yellow liquid found in certain food products and tobacco smoke. Probably a carcinogen.
• Yellow liquid; [Merck Index] Deep yellow-green clear liquid; [MSDSonline]
• Yellow liquid.
• Yellow liquid
• Miscible with water
• Soluble in org solvents and lipids

Regulatory Status

GHS notification summary	1.6% (1 / 64)

GHS Hazard Classification

GHS notification summary	1.6% (1 / 64)
Reported hazard statements	H302 (98.4%), H312 (20.3%), H332 (20.3%), H341 (20.3%), H350 (25%), H351 (73.4%)

Documented Uses

• Used as a research chemical; [HSDB] Present in food products and tobacco smoke; [Merck Index]
• N-Nitrosopyrrolidine is used primarily as a research chemical and is not produced commercially in the United States
• The reaction of pyrrolidine with potassium nitrate in a weak hydrochloric acid solution ... No evidence was found that NPYR has been produced commercially.
• (1977) NOT PRODUCED COMMERCIALLY IN USA
• (1982) NOT PRODUCED COMMERCIALLY IN USA
• (1978) Not produced commercially in the USA

Synonyms

1-Nitrosopyrrolidine; N-NITROSOPYRROLIDINE; 930-55-2; Pyrrolidine, 1-nitroso-; NPYR; No-pyr; Nitrosopyrrolidine; N-Nitrosopyrrolidin; 1-Pyrrolidinamine, N-nitroso-; N-PYR; DTXSID8021062; Pyrrole, tetrahydro-N-nitroso-; SZ4J5WK201; NSC-18797; Tetrahydro-N-nitroso-Pyrrole; DTXCID701062

Frequently Asked Questions

What are the CAS number and molecular formula of N-Nitrosopyrrolidine?

CAS 930-55-2; molecular formula C4H8N2O; molecular weight — g/mol.

What other names is N-Nitrosopyrrolidine known by?

1-Nitrosopyrrolidine, N-NITROSOPYRROLIDINE, 930-55-2, Pyrrolidine, 1-nitroso-, NPYR, No-pyr.

Is N-Nitrosopyrrolidine classified as hazardous?

1.6% of GHS notifications report no hazard classification (1 of 64).

What are the key physical properties of N-Nitrosopyrrolidine?

Boiling Point: 417 °F at 760 mmHg (NTP, 1992); Boiling Point: 214 °C; Boiling Point: BP: 104-106 °C at 20 mm Hg; Boiling Point: 417 °F.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.