Ammonium bromide

Ammonium bromide (CAS 12124-97-9), also known by its historical pharmaceutical name Nervine, is an inorganic bromide salt.

Where is Ammonium bromide used?

• Industrial formulations: flame retardant additive and pH buffering agent
• Electronics manufacturing: flux activator in soldering processes
• Printed circuit board production: controlled etching
• Polymer and plastics compounding: halogen-based flame retardant for industrial use
• Pharmaceutical manufacturing: buffering and pH-regulating agent in formulation chemistry
• Photographic chemical systems and specialty chemical synthesis
• Its bromine content supports char formation and combustion suppression in finished materials.
• Used in lithography.
• Used as a disinfection aid in water treatment.
• Used in electroplating baths for metal coating.

Good to know: Pharmaceutical-grade material typically meets ≥99% purity specifications.

Formulation notes

• Incompatible with strong oxidizers, strong acids, strong bases and silver salts.
• Reacts with strong oxidizers releasing bromine (Br₂).

Typical specification

• BP/Ph Eur grade has an assay content of 98.5% to 101.0% on dried substance.
• BP/Ph Eur grade has a maximum iron limit of 20 ppm.

Regulatory status

• Classified as toxic for reproduction category 1B under the EU CLP regulation.
• Subject to restriction 30 of Annex XVII of Regulation (EC) 1907/2006 (REACH).
• Classified as may harm breastfed children (H362).
• Shall not be placed on the market or used for supply to the general public when its concentration in a substance or mixture is equal to or greater than the specific concentration limit or the relevant generic concentration limit.

Storage, packaging and handling

• Store cool (15–25°C), dry and well ventilated, protected from moisture, light, strong oxidizers and strong acids.
• Hygroscopic and air sensitive.

Frequently asked questions about Ammonium bromide

What labeling is required for packages of ammonium bromide or mixtures containing it before market placement?

Packages must bear the statement 'Reserved for professional users only' before being placed on the market.

Technical content is compiled and updated by the SoleChem product team from public technical sources; the certificate of analysis (COA) governs product-specific specifications.