Note: Ingredients listed on restricted chemical lists
EC/CAS
1313-27-5
Name of the chemical
Molybdenum trioxide
Concentration
>95
General Information
Version
6
Revision date
2026-07-26
Product name
Molybdenum(VI) oxide
Product Synonyms
Molybdenum trioxide
CAS No.
1313-27-5
supplier name
Avocado Research Chemicals Ltd
Emergency telephone
001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Avocado Research Chemicals Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.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
Physical State
Appearance/Odor
Solid Light yellow Odorless Emergency Overview Causes serious eye irritation. May cause respiratory irritation. Suspected of causing cancer. Classification of the substance or mixture Serious Eye Damage/Eye Irritation Category 2 Carcinogenicity Category 2 Specific target organ toxicity - (single exposure) Category 3 Label Elements
Signal word
Warning Hazard Statements H319 - Causes serious eye irritation H335 - May cause respiratory irritation H351 - Suspected of causing cancer
Prevention
P201 - Obtain special instructions before use P202 - Do not handle until all safety precautions have been read and understood P261 - Avoid breathing dust/fume/gas/mist/vapors/spray P264 - Wash face, hands and any exposed skin thoroughly after handling P271 - Use only outdoors or in a well-ventilated area P280 - Wear eye protection/ face protection
Response
P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P308 + P313 - IF exposed or concerned: Get medical advice/attention
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
None identified.
Health hazards
Causes serious eye irritation. May cause respiratory irritation. Suspected of causing cancer.
Environmental hazards
Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. Will likely be mobile in the environment due to its water solubility. The product is water soluble, and may spread in water systems. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Serious Eye Damage/Eye Irritation Category 2 Carcinogenicity Category 2 Specific target organ toxicity - (single exposure)