Molekula
N-Bromosuccinimide
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
N-Bromosuccinimide is a brominating agent used in organic synthesis, particularly for allylic bromination and radical reactions. It also serves as an oxidant for converting alcohols to aldehydes and ketones, and is used in fine chemical manufacture, including commercial production of cortisone and vitamin D3. It is a white to pale yellow crystalline solid with a molecular formula of C4H4BrNO2 and a molecular weight of 177.98 g/mol. It is stored at 2 to 8 °C and classified as dangerous. Molekula supplies N-Bromosuccinimide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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1 kg — £82.10 per pack ex VAT · £98.52 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White to pale yellow powder |
| Identification | Conforms to reference |
| Loss on Drying | ≤ 1.0% |
| Assay | ≥ 99.0% |
| Active Bromine | ⩾ 44.47% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 5.1 (8) |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Orthorhombic bisphenoidal crystals |
| Odour | Faint odor of bromine |
| Melting Point | 173-175 °C (slight decomposition) |
| Boiling Point | 338.9 °C at 101.325 kPa |
| Density | 2.098 g/cm³ at 25 °C |
| Water Solubility | Slightly soluble in water |
| Solubility (other solvents) | Slightly soluble in ethyl acetate, diethyl ether; very soluble in acetone; insoluble in hexane |
| Vapour Pressure | 11 mmHg |
Source: PubChem CID 67184 (HSDB, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 30670134 |
| CAS Number | 128-08-5 |
| IUPAC Name | 1-bromopyrrolidine-2,5-dione |
| EC Number | 204-877-2 |
| Molecular Formula | C4H4BrNO2 |
| Molecular Weight | 177.98 |
| Exact Mass | 176.9425 |
| SMILES | C1CC(=O)N(C1=O)Br |
| InChIKey | PCLIMKBDDGJMGD-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H4BrNO2/c5-6-3(7)1-2-4(6)8/h1-2H2 |
| PubChem CID | 67184 |
| UN Number | UN3085 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29299050 |
| Tariff Code | 2929909090 |
Safety & GHS
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Oxidizing
GHS03
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Corrosive
GHS05
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H272 May intensify fire; oxidizer
- H290 May be corrosive to metals
- H315 Causes skin irritation
- H340 May cause genetic defects
- H373 May cause damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1-Bromo-2,5-pyrrolidinedione
- 1-Bromopyrrolidine-2,5-dione
- 2,5-Pyrrolidinedione, 1-bromo-
- n-bromobutanimide
- N-Bromosuccimide
- NBS
- Succinbromide
- Succinbromimide
- Succinibromimide
- Succinimide, N-bromo-
Frequently asked questions
What is N-Bromosuccinimide (NBS) commonly used for?
N-Bromosuccinimide is primarily used as a brominating agent in organic synthesis, particularly for the α-bromination of carboxylic acids and ketones, and in the generation of bromine radicals for allylic/benzylic bromination reactions.
What is the chemical formula and molecular weight of N-Bromosuccinimide?
The chemical formula is **C₄H₄BrNO₂**, and the molecular weight is **177.98 g/mol**.
How should N-Bromosuccinimide be stored?
Store N-Bromosuccinimide at **2–8°C** in a cool, dry place, away from incompatible substances like strong oxidizers or reducing agents.
What grades of N-Bromosuccinimide does Molekula offer?
Molekula supplies **analytical and reagent-grade N-Bromosuccinimide**, meeting high-purity standards for research and industrial applications.
Can Molekula supply N-Bromosuccinimide in bulk quantities?
Yes, Molekula can provide N-Bromosuccinimide in bulk, with flexible packaging options to meet your specific volume requirements.
What documentation is provided with an order of N-Bromosuccinimide?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet detailing purity, storage, and handling instructions.
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