Note: Ingredients listed on restricted chemical lists
General Information
Version
4.1
Revision date
2026-07-01
Product name
Dissolved Oxygen 1 Reagent
CAS No.
7785-87-7
1.2.1 Relevant identified uses
Laboratory Use, Water Analysis
supplier name
Hach Sales & Service LP
Emergency telephone
1-800-424-9300
Icons in SDS
Company Information
company name
Hach Sales & Service LP
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H303, H318, H373, H411
Hazard statements
Code
Statements
H303
May be harmful if swallowed
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture Serious eye damage/eye irritation Category 1 Specific target organ toxicity (repeated exposure) Category 2 Hazardous to the aquatic environment - chronic Category 2 Label elements Danger Hazard statements H318 - Causes serious eye damage H373 - May cause damage to organs through prolonged or repeated exposure H411 - Toxic to aquatic life with long lasting effects
Precautionary statements
P280 - Wear protective gloves, protective clothing, eye protection and face protection P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P310 - Immediately call a POISON CENTER or doctor P260 - Do not breathe dust, fume, gas, mist, vapors and spray P501 - Dispose of contents and container in accordance with local, regional, national, and international regulations as applicable P273 - Avoid release to the environment P391 - Collect spillage Unknown acute toxicity 0 % of the mixture consists of ingredient(s) of unknown toxicity. 0 % of the mixture consists of ingredient(s) of unknown acute oral toxicity 0 % of the mixture consists of ingredient(s) of unknown acute dermal toxicity 0 % of the mixture consists of ingredient(s) of unknown acute inhalation toxicity (dust/mist) 0 % of the mixture consists of ingredient(s) of unknown acute inhalation toxicity (vapor) 0 % of the mixture consists of ingredient(s) of unknown acute inhalation toxicity (gas)
Other hazards
Known May be harmful if swallowed.
2.1 Classification of the substance or mixture
Serious eye damage/eye irritation Category 1 Specific target organ toxicity (repeated exposure) Category 2 Hazardous to the aquatic environment - chronic