Note: Ingredients listed on restricted chemical lists
General Information
Version
This safety data sheet was created pursuant to the requirements of Canada
Revision date
2025-12-19
Product name
Phosphorous acid
Product Synonyms
Orthophosphorous acid
CAS No.
13598-36-2
Manufacturer Name
Fisher Scientific
Emergency telephone
1-800-234-7437, 001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Fisher Scientific
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H290, H302, H314, H335
Hazard statements
Code
Statements
H290
May be corrosive to metals
Section 2
SECTION 2: Hazards identification
WHMIS 2015 Classification
Signal word
Danger
Hazard statements
May be corrosive to metals Harmful if swallowed Causes severe skin burns and eye damage May cause respiratory irritation
Prevention
Keep only in original packaging Do not breathe dust/fumes/gas/mist/vapours/spray Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Use only outdoors or in a well-ventilated area Wear protective gloves/protective clothing/eye protection/face protection
Response
Rinse mouth IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or 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 Do NOT induce vomiting Wash contaminated clothing before reuse Absorb spillage to prevent material damage
Storage
Store locked up Store in a well-ventilated place. Keep container tightly closed Store in corrosive resistant polypropylene container with a resistant inliner Store in a dry place
Disposal
Dispose of contents/container to an approved waste disposal plant
2.1 Classification of the substance or mixture
and Hazardous Products Regulation (HPR), as amended (SOR/2022-272) Corrosive to metals Category 1 Acute oral toxicity Category 4 Skin Corrosion/Irritation Category 1 A Serious Eye Damage/Eye Irritation Category 1 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system. Label Elements Signal Word