Note: Ingredients listed on restricted chemical lists
EC/CAS
1310-58-3
Name of the chemical
potassium hydroxide
Concentration
10.0%
EC/CAS
12179-04-3
Name of the chemical
Disodium tetraborate pentahydrate
Concentration
10.0%
EC/CAS
1313-82-2
Name of the chemical
Disodium sulphide
Concentration
2.5%
General Information
Revision date
2025-11-03
Product name
Hardness Buffer
Emergency telephone
1-800-535-5053, 1-352-323-3500
Icons in SDS
Company Information
company name
OFI Testing Equipment Inc
e-mail address of the competent person responsible for the Safety Data Sheet
techservices@ofite.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H314, H318, H335, H360, H360FD
Hazard statements
Code
Statements
H314
Causes severe skin burns and eye damage
Section 2
SECTION 2: Hazards identification
NFPA Rating Classification of the substance or mixture d ~ GHS08 Health hazard Toxic to Reproduction 1B H360 May damage fertility or the unborn child d ~ GHS05 Corrosion Skin Corrosion 1B H314 Causes severe skin burns and eye damage Eye Damage 1 H318 Causes serious eye damage d ~ GHS07 Specific Target Organ Toxicity - Single Exposure 3 H335 May cause respiratory irritation
2.2 Label elements
The product is classified and labeled according to the Globally Harmonized System (GHS)
Hazard pictograms
d ~ d ~ d ~ GHS05 GHS07 GHS08
Signal word
Danger
Hazardous Ingredients
Potassium Hydroxide disodium tetraborate pentahydrate Sodium Sulfide
Hazard statements
Causes severe skin burns and eye damage. (Contd. on page 2) US (Contd. of page 1) May damage fertility or the unborn child. May cause respiratory irritation.
Precautionary statements
Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Do not breathe dusts or mists. Wash thoroughly after handling. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. If swallowed: Rinse mouth. Do NOT induce vomiting. If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove person to fresh air and keep comfortable for breathing. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a poison center/doctor. IF exposed or concerned: Get medical advice/attention. Wash contaminated clothing before reuse. Store in a well-ventilated place. Keep container tightly closed. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.
Classification system
· NFPA ratings (scale 0 - 4) Health = 3 1 Fire = 1 3 0 Reactivity = 0 · HMIS-ratings (scale 0 - 4) HEALTH 3 Health = 3 FIRE 1 Fire = 1 REACTIVITY 0 Reactivity = 0
PBT Substances
Not applicable
vPvB Substances
Not applicable
2.1 Classification of the substance or mixture
d ~ GHS08 Health hazard Toxic to Reproduction 1B H360 May damage fertility or the unborn child. d ~ GHS05 Corrosion Skin Corrosion 1B H314 Causes severe skin burns and eye damage. Eye Damage 1 H318 Causes serious eye damage. d ~ GHS07 Specific Target Organ Toxicity - Single Exposure 3 H335 May cause respiratory irritation.