Note: Ingredients listed on restricted chemical lists
EC/CAS
7681-57-4
Name of the chemical
Sodium metabisulfite
Concentration
20-30%
General Information
Version
8
Revision date
2026-07-07
Product name
Triazole Reagent
1.2.1 Relevant identified uses
Water Analysis, Determination of benzotriazole and tolyltriazole
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)
H302, H315, H318
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture Acute toxicity - Oral Category 4 Skin corrosion/irritation Category 2 Serious eye damage/eye irritation Category 1 Hazards not otherwise classified (HNOC) Not applicable
Signal word
Danger
Hazard statements
H302 - Harmful if swallowed H315 - Causes skin irritation H318 - Causes serious eye damage
Precautionary statements
P270 - Do not eat, drink or smoke when using this product P301 + P312 - IF SWALLOWED: Call a POISON CENTER, doctor or physician if you feel unwell P330 - Rinse mouth P501 - Dispose of contents and container in accordance with local, regional, national, and international regulations as applicable P280 - Wear protective gloves, protective clothing, eye protection and face protection P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P332 + P313 - If skin irritation occurs: Get medical advice and attention P362 - Take off contaminated clothing and wash before reuse 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
Other hazards
Known No information available.
2.1 Classification of the substance or mixture
Acute toxicity - Oral Category 4 Skin corrosion/irritation Category 2 Serious eye damage/eye irritation Category 1 Hazards not otherwise classified (HNOC) Not applicable.
