Note: Ingredients listed on restricted chemical lists
EC/CAS
1313-27-5
Name of the chemical
Molybdenum trioxide
Concentration
Identifiers
General Information
Version
1.01
Revision date
2025-08-18
Product name
Molybdenum trioxide
Chemical name
Molybdenum trioxide
CAS No.
1313-27-5
1.2.1 Relevant identified uses
Industrial applications Production of Molybdenum metal Production of catalysts Pigments
supplier name
Kennecott Utah Copper
Emergency telephone
+1 801 204 2000, +1 800-424-9300, +1 703-527-3887
Icons in SDS
Company Information
company name
Kennecott Utah Copper
e-mail address of the competent person responsible for the Safety Data Sheet
kucmsds@riotinto.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H319, H335, H351
Hazard statements
Code
Statements
H319
Causes serious eye irritation
Section 2
SECTION 2: Hazards identification
Signal word
Warning
Hazard statements
Causes serious eye irritation. May cause respiratory irritation. Suspected of causing cancer.
Prevention
Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Wear protective gloves, protective clothing and eye or face protection. Use only outdoors or in a well-ventilated area. Avoid breathing dust or mist. Wash thoroughly after handling.
Response
IF exposed or concerned Get medical advice or attention. IF INHALED Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER or doctor if you feel unwell. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.
Storage
Store locked up. Store in a well-ventilated place. Keep container tightly closed.
Disposal
Dispose of contents and container in accordance with all local, regional, national and international regulations.
2.3 Other hazards
Handling and/or processing of this material may generate a dust which can cause mechanical irritation of the eyes, skin, nose and throat. Hazards identified when used : No known significant effects or critical hazards.
2.1 Classification of the substance or mixture
substance or mixture CARCINOGENICITY - Category 2 SPECIFIC TARGET ORGAN TOXICITY (SINGLE EXPOSURE) (Respiratory tract irritation) - Category 3
