吡咯烷酮氢三溴化物

Description

Pyrrolidone hydrotribromide · CAS 22580-55-8 · C4H7NO. UNII KKL5D39EOL. Boiling Point: 245 °C @ 760 mm Hg; 113-114 @ 9.2 mm Hg; 76 °C @ 0.2 mm Hg; Boiling Point: 245 °C; Boiling Point: 245 °C @760 [mm Hg].

Identification

CAS Registry Number	22580-55-8
PubChem CID	12025
Molecular formula	C4H7NO
IUPAC name	pyrrolidin-2-one
UNII (FDA)	KKL5D39EOL

Computed Descriptors

Molecular Weight	85.10
XLogP3	-0.8
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	85.052763847
Monoisotopic Mass	85.052763847
Topological Polar Surface Area	29.1
Heavy Atom Count	6
Formal Charge	0

Physical & Chemical Properties

Boiling Point	245 °C @ 760 mm Hg; 113-114 @ 9.2 mm Hg; 76 °C @ 0.2 mm Hg
Boiling Point	245 °C
Boiling Point	245 °C @760 [mm Hg]
Melting Point	25.0 °C
Melting Point	23 °C
Melting Point	25 °C
Melting Point	24.6 °C
Flash Point	265 °F (129 °C) (open cup)
Flash Point	129 °C o.c.
Solubility	1000 mg/mL at 20 °C

Physical description & handling notes

• CBI; Liquid
• Light-yellow liquid; [Hawley] Colorless liquid; mp = 23-25 deg C; [MSDSonline]
• Solid
• LIGHT YELLOW LIQUID.
• CRYSTALS FROM COLD PETROLEUM ETHER
• Light yellow liquid

Regulatory Status

GHS notification summary	21.1% (116 / 551)

GHS Hazard Classification

GHS notification summary	21.1% (116 / 551)
Reported hazard statements	H315 (17.4%), H318 (12%), H319 (65.7%), H335 (12.5%), H360 (18.1%)

Documented Uses

• Used as an intermediate in the manufacture of polyvinylpyrrolidone and polypyrrolidone (a polymer, formed in presence of alkaline catalysts); as high-boiling solvent in petroleum processing and acrylonitrile manufacture; in specialty printers inks; as an industrial solvent for polymers, chlordane, DDT, sorbitol, glycerol, iodine, and sugars; as plasticizer and coalescing agent for acrylic-styrene emulsion-type floor polishes; as a chemical intermediate for n-vinyl-2-pyrrolidone and nylon 4 fibers; as a monomer for
• Intermediate in mfr of polyvinylpyrrolidone & polypyrrolidone (polymer, formed in presence of alkaline catalysts); used as high-boiling solvent in petroleum processing, acrylonitrile mfr; in specialty printers inks; industrial solvent for polymers, Chlordane, DDT, sorbitol, glycerol, iodine, sugars; as plasticizer & coalescing agent for acrylic-styrene emulsion-type floor polishes
• CHEM INT FOR N-VINYL-2-PYRROLIDONE; CHEM INT FOR NYLON 4 FIBERS; SOLVENT; MONOMER FOR COPOLYMERS WITH VINYL COMPOUNDS
• USED AS CONSTITUENT OF PHARMACEUTICAL PREPARATIONS
• Polyhydroxylic alcohols and ethyl acetate.
• Information on 24 consumer products that contain 2-Pyrrolidone in the following categories is provided:

Synonyms

2-Pyrrolidinone; pyrrolidin-2-one; 616-45-5; 2-PYRROLIDONE; Pyrrolidone; Butyrolactam; 2-Oxopyrrolidine; 2-Ketopyrrolidine; 2-Pyrol; gamma-Butyrolactam; Pyrrolidon; alpha-Pyrrolidinone; 4-Aminobutyric acid lactam; gamma-Aminobutyric lactam; gamma-Aminobutyrolactam; alpha-Pyrrolidone

Frequently Asked Questions

What are the CAS number and molecular formula of Pyrrolidone hydrotribromide?

CAS 22580-55-8; molecular formula C4H7NO; molecular weight — g/mol.

What other names is Pyrrolidone hydrotribromide known by?

2-Pyrrolidinone, pyrrolidin-2-one, 616-45-5, 2-PYRROLIDONE, Pyrrolidone, Butyrolactam.

Is Pyrrolidone hydrotribromide classified as hazardous?

21.1% of GHS notifications report no hazard classification (116 of 551).

What are the key physical properties of Pyrrolidone hydrotribromide?

Boiling Point: 245 °C @ 760 mm Hg; 113-114 @ 9.2 mm Hg; 76 °C @ 0.2 mm Hg; Boiling Point: 245 °C; Boiling Point: 245 °C @760 [mm Hg]; Melting Point: 25.0 °C.

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.