Note: Ingredients listed on restricted chemical lists
EC/CAS
7732-18-5
Name of the chemical
Water, distilled, conductivity or of similar purity H2O
Concentration
95 - 100
General Information
Revision date
2026-07-27
Product name
Osmium tetroxide, 4% solution - 20 x 2ml
CAS No.
20816-12-0
1.2.1 Relevant identified uses
Use as laboratory reagent, Manufacture of substances
supplier name
Polysciences
Emergency telephone
1-800-255-3924
Icons in SDS
Company Information
company name
Polysciences
e-mail address of the competent person responsible for the Safety Data Sheet
info@polysciences.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H310, H314, H318, H331
Hazard statements
Code
Statements
H310
Fatal in contact with skin
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture GHS US classification Acute toxicity (dermal) Category 2 Fatal in contact with skin Acute toxicity (inhalation:vapor) Category 3 Toxic if inhaled Skin corrosion/irritation Category 1B Causes severe skin burns and eye damage Serious eye damage/eye irritation Category 1 Causes serious eye damage
2.2 Label elements
GHS US labeling
Signal word
Danger
Hazard statements
Fatal in contact with skin Causes severe skin burns and eye damage Causes serious eye damage Toxic if inhaled
Precautionary statements
Do not breathe dust/fume/gas/mist/vapors/spray. Avoid breathing dust/fume/gas/mist/vapors/spray. Do not get in eyes, on skin, or on clothing. Wash hands, forearms and face thoroughly after handling. Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area.
Other hazards which do not result in classification
No additional information available
Ingredient(s) with unknown acute toxicity
Not applicable
2.1 Classification of the substance or mixture
GHS US classification Acute toxicity (dermal) Category 2 Fatal in contact with skin Acute toxicity (inhalation:vapor) Category 3 Toxic if inhaled Skin corrosion/irritation Category 1B Causes severe skin burns and eye damage Serious eye damage/eye irritation Category 1 Causes serious eye damage
