Synonym(s): Molybdenum trioxide
Formula: MoO3
Formula weight: 143.94
Purity: 99.5%
CAS Number: 1313-27-5
UN Number: UN3288
Hazard Class: 6.1
Packing Group: III
Harmonized Tariff Code: 2825.70
Hazard Statements: H300-H351-H319-H335
Fatal if swallowed. Suspected of causing cancer. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statements: P261-P280-P301+P310-P305+P351+P338-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.
Risk Phrases: 25-36/37-40
Toxic if swallowed. Irritating to eyes and respiratory system. Possible risk of irreversible effects.
Safety Phrases: 22-36/37
Do not breathe dust. Wear suitable protective clothing and gloves.
Form: White to grey powder
Density: 4.692
Melting point: 795°
Boiling point: 1155° subl.
Merck: 14,6239
EINECS: 215-204-7
MDL: MFCD00003469
RTECS: QA4725000