Note: Ingredients listed on restricted chemical lists
EC/CAS
7681-11-0
Name of the chemical
potassium iodide
Concentration
20-30%
General Information
Version
4.1
Revision date
2026-07-01
Product name
DPD Total Chlorine Reagent
1.2.1 Relevant identified uses
Water Analysis, Indicator for total chlorine
1.2.2. Uses advised against
Consumer use
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, H319, H372
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 2A Specific target organ toxicity (repeated exposure) Category 1 Label elements Danger Hazard statements H319 - Causes serious eye irritation H372 - Causes damage to organs through prolonged or repeated exposure
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 P337 + P313 - If eye irritation persists: Get medical advice/attention P260 - Do not breathe dust, fume, gas, mist, vapors and spray P270 - Do not eat, drink or smoke when using this product P314 - Get medical advice/attention if you feel unwell P501 - Dispose of contents and container in accordance with local, regional, national, and international regulations as applicable 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 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 2A Specific target organ toxicity (repeated exposure)