BF4H4N
104.85 g/mol
Industrial ChemicalDanger
Ammonium tetrafluoroborate
CAS13826-83-0EC237-531-4
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
high-temperature flux for metals
Ammonium tetrafluoroborate is an inorganic salt composed of ammonium and tetrafluoroborate ions. It is primarily used as a high-temperature flux for metals.
high-temperature flux for metals
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:EU REACH Restriction List
CAS 13826-83-0
Related Compounds
StrongSame Parent
Nitronium tetrafluoroborate
CAS13826-86-3
research compound
StrongSame Parent
Potassium tetrafluoroborate
CAS14075-53-7
Filler and flux agent in metal processing
StrongSame Parent
Lithium tetrafluoroborate
CAS14283-07-9
electrolyte for lithium ion batteries
StrongSame Parent
Tetrafluoroboric acid
CAS16872-11-0
metal cleaning and electroplating agent
ReferenceSame Category
Zinc Borate 2335
CAS138265-88-0
flame retardant for PVC
ReferenceSame Category
Acetoxyacetyl chloride
CAS13831-31-7
acetylating agent and chemical intermediate
ReferenceSame Category
Rhodate(3-), hexachloro-, tripotassium, (OC-6-11)-
CAS13845-07-3
Rhodium source for catalysts
ReferenceSame Category
Pentapotassium triphosphate
CAS13845-36-8
Detergent builder and water softener
Safety Reference
Danger
H290May be corrosive to metals
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H372Causes damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- EU REACH Restriction ListEURegulationRestrictedSource
Customs Tariff Classification
The international HS code for Ammonium tetrafluoroborate (CAS 13826-83-0) is 2826.90.
HS code (international, 6-digit)
2826.90
EU CN code (8-digit)
2826 90 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
azanium tetrafluoroborate
InChIKey
PDTKOBRZPAIMRD-UHFFFAOYSA-O
SMILES
[B-](F)(F)(F)F.[NH4+]
Synonyms (21)
- (N H4) (B F4)
- AMMONIUM FLUOBORATE
- AMMONIUM FLUROBORATE
- AMMONIUM TETRAFLUOBORATE
- Ammonium borofluoride
- Ammonium fluoborate (6CI)
- Ammonium fluoroborate
- Ammonium tetrafluoroborate
- ammonium tetrafluoroboranuide
- ammonium tetrafluroborate
- arnmonium tetrafluoroborate
- azanium;tetrafluoroborate