Note: Ingredients listed on restricted chemical lists
EC/CAS
123-31-9
Name of the chemical
1,4-Dihydroxybenzol (790/2009)
Concentration
1-5%
General Information
Version
6
Revision date
2026-07-07
Product name
Dissolved Oxygen Reagent, High Range
1.2.1 Relevant identified uses
Determination of dissolved oxygen, Water Analysis
1.2.2. Uses advised against
Consumer use
Emergency telephone
+1(303) 623-5716 - 24
Icons in SDS
Company Information
company name
Hach Company
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H317, H318, H341, H351, H410
Hazard statements
Code
Statements
H317
May cause an allergic skin reaction
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture Serious eye damage/eye irritation Category 1 Skin sensitization Category 1 Germ cell mutagenicity Category 2 Carcinogenicity Category 2 Hazardous to the aquatic environment - acute Category 1 Hazardous to the aquatic environment - chronic Category 1 Hazards not otherwise classified (HNOC) Not applicable
Signal word
Danger
Hazard statements
H317 - May cause an allergic skin reaction H318 - Causes serious eye damage H341 - Suspected of causing genetic defects H351 - Suspected of causing cancer H410 - Very 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, doctor or physician P261 - Avoid breathing dust, fume, gas, mist, vapors and spray P272 - Contaminated work clothing must not be allowed out of the workplace P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P333 + P313 - If skin irritation or rash occurs: Get medical advice and attention P363 - Wash contaminated clothing before reuse P501 - Dispose of contents and container in accordance with local, regional, national, and international regulations as applicable P201 - Obtain special instructions before use P308 + P313 - IF exposed or concerned: Get medical advice and attention P405 - Store locked up P273 - Avoid release to the environment P391 - Collect spillage
Other hazards
Known May be harmful if swallowed. Causes mild skin irritation.
2.1 Classification of the substance or mixture
Serious eye damage/eye irritation Category 1 Skin sensitization Category 1 Germ cell mutagenicity Category 2 Carcinogenicity Category 2 Hazardous to the aquatic environment - acute Category 1 Hazardous to the aquatic environment - chronic Category 1 Hazards not otherwise classified (HNOC) Not applicable.