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MOLYBDENUM TRIOXIDE AR/ACS

Molybdenum trioxide

COAs

Packings

100 g (00100)

500 g (00500)

1PW1200100 1PW1200500
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Article No. 04700 Grade AR/ACS
Purity 99.5% CAS No. 1313-27-5
Molecular Formula MoO3 Molecular Weight 143.94
H.S. Code 2825.7010 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Pale yellow to green
Odour Odorless Melting point/ Freezing point [°C] 795 °C
Boiling point [°C] 1150°C Density [g/cm3] 4.692
Solubility in water [% weight] 0.107 g/100 g water @ 180C

Specifications

Appearance A pale yellow, green or gray powder Assay Min 99.5%
Substance insoluble in dilute NH3 (C=8.3%) Max 0.01% Chloride (Cl) Max 0.002%
Arsenate, phosphate, silicate ( PO4) Max 0.001% Sulphate (SO4) Max 0.02%
Ammonium (NH4) Max 0.002% Nitrate (NO3) Passes ACS test (~0.003%)
Phosphate (PO4) Max 0.0005% Heavy metal (as Pb) Max 0.005%

Safety Information and Hazard Symbols

Exclamation Mark Health Hazard
Symbol: GHS07, GHS08
 Signal Word: Warning
 UN No.: 3288
 IMCO Class No.: 6.1
 Packing Group: III
 Hazardous Statement: H319-H335-H351
 Precaution Statement: P202-P261-P264-P271-P305 + P351 + P338-P308+P313
Revision Date: 08-May-2024

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