Ammonium Bifluoride - Materials / Alfa Chemistry

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Ammonium Bifluoride

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Catalog Number

ACMA00014296

Product Name

Ammonium Bifluoride

Category

Glass Additives

Description

DryPowder; OtherSolid; OtherSolid, Liquid; PelletsLargeCrystals

IUPAC Name

azanium;fluoride;hydrofluoride

Molecular Weight

57.044g/mol

Molecular Formula

F2H5N

Canonical SMILES

[NH4+].F.[F-]

InChI

InChI=1S/2FH.H3N/h2*1H;1H3

InChI Key

KVBCYCWRDBDGBG-UHFFFAOYSA-N

Boiling Point

240 °C (decomposes)

Melting Point

125.6 °C

Density

1.50 g/cu cm

Solubility

Solubility in 90% ethanol = 1.73X10+5 mg/L;In water, 6.02X10+5 mg/L at 20 °C

Color/Form

Rhombic or tetragonal crystals;Orthorhombic crystals;White crystals

Complexity

Corrosivity

Will etch glass;In presence of moisture will corrode glass, cement, and most metals.

Covalently-Bonded Unit Count

EC Number

215-676-4

Exact Mass

57.039005g/mol

Formal Charge

Heat of Vaporization

65.3 kJ/mol

Heavy Atom Count

MeSH Entry Terms

ammonium bifluoride;ammonium fluoride;ammonium fluoride (NH4-HF2);ammonium fluoride dihydrate;ammonium fluoride monohydrate

Monoisotopic Mass

57.039005g/mol

Odor

Odorless

Other Experimental

Deliquescent;Standard heat of formation = -798.3 kJ/mol; Heat of fusion = 19.1 kJ/mol; Heat of solution = 20.3 kJ/mol; Heat of dissociation = 141.4 kJ/mol; Heat capacity = 106.7 J/mol-K at 25 °C; Hygroscopic if ambient humidity over 50%; no tendency to form hydrates

Refractive Index

Index of refraction = 1.390

Rotatable Bond Count

UNII

C2M215358O

UN Number

1727;1727

MSDS

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COA

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Spec Sheet