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Ammonium octamolybdate

Catalog Number
ACM12411642-1
Product Name
Ammonium octamolybdate
Structure
Ammonium octamolybdate
CAS
12411-64-2
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Synonyms
Molybdate (Mo8O264-), ammonium (1:4); Ammonium molybdate(VI) ((NH4)4Mo8O26) (7CI); Molybdate (Mo8O264-), tetraammonium (9CI); Molybdic acid (H4Mo8O26), tetraammonium salt (8CI); AOM; Ammonium octamolybdenate; Charmax LS-AOM; Climax A 20171; Climax AOM; Climax AOM-A 2017; Climax AOM-A 20171; Climax AOM-WA 011GA; Climax WA 011GA; HC Starck 02F001; HC Starck AOM; Kemgard STA; LS 030; Prime 100; Prime 110; Tetraammonium octamolybdate; Tetraammonium β-octamolybdate; ZT 03AOM
IUPAC Name
tetraazanium; bis[[[(oxido(dioxo)molybdenio)oxy-dioxomolybdenio]oxy-dioxomolybdenio]oxy]-dioxomolybdenum; dioxido(dioxo)molybdenum
Molecular Weight
1255.66
Molecular Formula
4(NH₄⁺) • (Mo ₈O₂₆⁴⁻)
InChI
InChI=1S/8Mo.4H3N.26O/h;;;;;;;;4*1H3;;;;;;;;;;;;;;;;;;;;;;;;;;/q;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;4*-1/p+4
InChI Key
WWQQKYMUBXDRKA-UHFFFAOYSA-R
Boiling Point
N/A
Melting Point
> 360 °C
Purity
99%
Density
3.18 g/cm³
Solubility
Solubility in H₂O, 4 g/l (25 °C)
Appearance
White powder
Storage
Room temperature
Application
Ammonium octamolybdate is a molybdenum-based coordination compound used as a modifier for its flame-retardant properties, such as in the patented preparation of flame retardant and wear-resistant foamed asphalt. After modification of ammonium octamolybdate from its cluster geometry to a one-dimensional coordination polymer, ammonium octamolybdate is used as an olefin epoxidation catalyst.
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