N-Bromosuccinimide

Description

N-Bromosuccinimide · CAS 128-08-5 · C4H4BrNO2. UNII K8G1F2UCJF. Boiling Point: 338.9 °C at 101.325 kPa; Melting Point: MP: 174 °C; Density: 2.098 g/cu cm at 25 °C.

Identification

CAS Registry Number	128-08-5
PubChem CID	67184
Molecular formula	C4H4BrNO2
IUPAC name	1-bromopyrrolidine-2,5-dione
UNII (FDA)	K8G1F2UCJF

Computed Descriptors

Molecular Weight	177.98
XLogP3	-0.1
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	176.94254
Monoisotopic Mass	176.94254
Topological Polar Surface Area	37.4
Heavy Atom Count	8
Formal Charge	0

Physical & Chemical Properties

Boiling Point	338.9 °C at 101.325 kPa
Melting Point	MP: 174 °C
Density	2.098 g/cu cm at 25 °C
Density	2.098 @25 °C
Vapor Pressure	11.0 [mmHg]
Vapor Pressure	VP: 0.001 Pa at 25 °C

Physical description & handling notes

• Solid with a mild odor of bromine; [Merck Index] White, pale yellow, or cream-colored powder; [Alfa Aesar MSDS]
• Orthorhombic bisphenoidal crystals
• Crystals from benzene
• Solid at 20 °C and 1031 hPa; powder
• Faint odor of bromine
• 173-175 °C (slight decomposition)

GHS Hazard Classification

Reported hazard statements	H272 (38.7%), H290 (38.7%), H302 (55.8%), H314 (35.2%), H315 (46.2%), H317 (21.6%), H319 (65.3%), H335 (26.6%)

Documented Uses

• Used in chemical synthesis (bromination of olefins and oxidation of alcohols and aldehydes); [Merck Index]
• Controlled, low-energy bromination.
• ... Useful in organic synthesis for allylic bromination (Wohl-Ziegler reaction), aromatic ring and side-chain bromination, for oxidation, e.g., alcohols to carbonyl compounds, for dehydrohalogenation, and is used in the commercial production of cortisone and vitamin D3.
• In bromination of olefins; in oxidation of alcohols to aldehydes and ketones and of aldehydes to acid bromides.
• For more Uses (Complete) data for N-Bromosuccinimide (9 total), please visit the HSDB record page.
• Used as a laboratory and industrial chemical. Occupational exposure to N-bromosuccinimide may occur through inhalation and dermal contact with this compound at workplaces where N-bromosuccinimide is produced or used.

Synonyms

n-bromobutanimide; RefChem:6049; N-Bromosuccinimide; 128-08-5; 1-Bromopyrrolidine-2,5-dione; Succinbromimide; 2,5-Pyrrolidinedione, 1-bromo-; Succinbromide; 1-Bromo-2,5-pyrrolidinedione; Succinibromimide; N-Bromosuccimide; Succinimide, N-bromo-; N-Bromsuccinimide; N-bromo-succinimide; MFCD00005510; NSC 16

Frequently Asked Questions

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

CAS 128-08-5; molecular formula C4H4BrNO2; molecular weight — g/mol.

What other names is N-Bromosuccinimide known by?

n-bromobutanimide, RefChem:6049, N-Bromosuccinimide, 128-08-5, 1-Bromopyrrolidine-2,5-dione, Succinbromimide.

Is N-Bromosuccinimide classified as hazardous?

Hazard statements reported: H272, H290, H302, H314, H315.

What are the key physical properties of N-Bromosuccinimide?

Boiling Point: 338.9 °C at 101.325 kPa; Melting Point: MP: 174 °C; Density: 2.098 g/cu cm at 25 °C; Density: 2.098 @25 °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.