Note: Ingredients listed on restricted chemical lists
EC/CAS
637-03-6
Name of the chemical
Phenylarsine oxide
Concentration
100%
General Information
Version
6
Revision date
2025-12-22
Product name
Phenylarsine oxide
Product Synonyms
Oxophenylarsine
CAS No.
637-03-6
Emergency telephone
001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Thermo Fisher Scientific Chemicals, Inc
GHS Information
Signal word
Danger
Section 2
SECTION 2: Hazards identification
(29 CFR 1910.1200) Classification
Signal word
Danger Hazard Statements Toxic if swallowed or if inhaled
Prevention
Avoid breathing dust/fume/gas/mist/vapors/spray Use only outdoors or in a well-ventilated area Do not eat, drink or smoke when using this product Wash hands and face thoroughly after handling Inhalation IF INHALED: Remove person to fresh air and keep comfortable for breathing Call a POISON CENTER or doctor Ingestion IF SWALLOWED: Immediately call a POISON CENTER or doctor Rinse mouth
Storage
Store locked up Store in a well-ventilated place. Keep container tightly closed
Disposal
Dispose of contents/container to an approved waste disposal plant
2.3 Other hazards
Very toxic to aquatic life with long lasting effects
2.1 Classification of the substance or mixture
This chemical is considered hazardous according to [US] OSHA (29 CFR 1910.1200, 2024) Acute oral toxicity Category 3 Acute Inhalation Toxicity - Dusts and Mists
