General Information
Version
ALFAA39438
Revision date
2026-07-28
Product name
Potassium hydrotris(1-pyrazolyl)borate
Product Synonyms
Borate(1-), hydrotris(pyra; Borate(1-), hydrotris(1H-pyrazolato-N1)-, potassium, (T-4)-
CAS No.
18583-60-3
supplier name
Avocado Research Chemicals Ltd
Emergency telephone
001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Avocado Research Chemicals Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H261, H315, H319, H335
Hazard statements
Code
Statements
H261
In contact with water releases flammable gas
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid White No information available Emergency Overview In contact with water releases flammable gas. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Moisture sensitive. Classification of the substance or mixture Substances/mixtures which, in contact with water, emit flammable gases Category 3 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Specific target organ toxicity - (single exposure) Category 3 Label Elements
Signal word
Warning Hazard Statements H261 - In contact with water releases flammable gases H315 - Causes skin irritation H319 - Causes serious eye irritation H335 - May cause respiratory irritation
Prevention
P231 + P232 - Handle and store contents under inert gas. Protect from moisture P261 - Avoid breathing dust/fume/gas/mist/vapors/spray P264 - Wash face, hands and any exposed skin thoroughly after handling P271 - Use only outdoors or in a well-ventilated area P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P312 - Call a POISON CENTER or doctor if you feel unwell P362 + P364 - Take off contaminated clothing and wash it before reuse
Storage
P402 + P404 - Store in a dry place. Store in a closed container
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
In contact with water releases flammable gas.
Health hazards
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Environmental hazards
Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. Will likely be mobile in the environment due to its water solubility. The product is water soluble, and may spread in water systems. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Substances/mixtures which, in contact with water, emit flammable gases Category 3 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Specific target organ toxicity - (single exposure)