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
75.49
EC/CAS
1336-21-6
Name of the chemical
ammonium hydroxide
Concentration
17.16
EC/CAS
12135-76-1
Name of the chemical
Ammonium sulphide
Concentration
0.0048
General Information
Version
2.3
Revision date
2026-01-06
Product name
Hardness Buffer Solution
1.2.1 Relevant identified uses
laboratory and analytical use
Emergency telephone
1-800-255-3924, +01-813-248-0585
Icons in SDS
Company Information
company name
AquaPhoenix Scientific
e-mail address of the competent person responsible for the Safety Data Sheet
info@aquaphoenixsci.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H314, H401
Hazard statements
Code
Statements
H314
Causes severe skin burns and eye damage
Section 2
SECTION 2: Hazards identification
OSHA Classification of the substance or mixture
Hazard pictograms
GHS05
Hazard statements
H314 Causes severe skin burns and eye damage. H401 Toxic to aquatic life.
Precautionary statements
P260 Do not breathe dusts or mists. P264+P265 Wash hands thoroughly after handling. Do not touch eyes. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P302+P361+P354 IF ON SKIN: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P316 Get emergency medical help immediately. P321 Specific treatment (see on this label). P363 Wash contaminated clothing before reuse. P405 Store locked up. P501 Dispose of contents/container in accordance with local/regional/national/international regula- tions.
Hazardous Ingredients
Ammonium Hydroxide
Results of PBT and vPvB assessment
Does not contain a PBT-/vPvB-substance at a concentration of ≥ 0.1%. Endocrine disrupting properties Does not contain an endocrine disruptor (ED) in a concentration of ≥ 0.1%.
2.1 Classification of the substance or mixture
Classification acc. to OSHA "Hazard Communication Standard" (29 CFR 1910.1200, Rev. 2024) Hazard class Category Hazard class and category Hazard statement skin corrosion/irritation 1 Skin Corr. 1 H314 serious eye damage/eye irritation 1 Eye Dam. 1 H318 hazardous to the aquatic environment - acute hazard 2 Aquatic Acute 2 H401 For full text of abbreviations: see SECTION 16. The most important adverse physicochemical, human health and environmental effects Skin corrosion produces an irreversible damage to the skin; namely, visible necrosis through the epidermis and into the dermis. Spillage and fire water can cause pollution of watercourses.
