Stop safety data
GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.
GHS classification
Pictograms, signal word and hazard classes of the GHS classification
Hazard classes and categories
- Met. Corr. 1
- Acute Tox. 3 (oral)
- Acute Tox. 4 (oral)
- Skin Corr. 1
- Skin Irrit. 2
- Eye Dam. 1
- Aquatic Chronic 2
Hazard statements
H codes grouped by type. Percentages show the share of classification notifications that report the statement
Physical hazards
- H290May be corrosive to metals.
Health hazards
- H301Toxic if swallowed.
- H302Harmful if swallowed.
- H314Causes severe skin burns and eye damage.
- H315Causes skin irritation.
- H318Causes serious eye damage.
Environmental hazards
- H411Toxic to aquatic life with long lasting effects.
Precautionary statements
P codes for prevention, response, storage and disposal
Prevention
- P234Keep only in original packaging.
- P260Do not breathe dust, fume, gas, mist, vapours or spray.
- P264Wash skin thoroughly after handling.
- P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
- P270Do not eat, drink or smoke when using this product.
- P273Avoid release to the environment.
- P280Wear protective gloves, protective clothing, eye protection and face protection.
Response
- P301 + P316If swallowed: Get emergency medical help immediately.
- P301 + P317If swallowed: Get medical help.
- P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
- P302 + P352If on skin: Wash with plenty of water.
- P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
- P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
- P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P316Get emergency medical help immediately.
- P317Get medical help.
- P321Specific treatment (see supplemental first aid instructions on the label).
- P330Rinse mouth.
- P332 + P317If skin irritation occurs: Get medical help.
- P362 + P364Take off contaminated clothing. And wash it before reuse.
- P363Wash contaminated clothing before reuse.
- P390Absorb spillage to prevent material damage.
- P391Collect spillage.
Storage
- P405Store locked up.
- P406Store in a corrosion resistant container with a resistant inner liner.
Disposal
- P501Dispose of contents and container in accordance with local regulations.
First aid
General first aid measures. Get medical advice if you feel unwell
Handling, storage and disposal
Summaries only, follow the supplier SDS for your grade
Safe handling
Inhalation: Use local exhaust or breathing protection.
Skin: Protective gloves.
Eyes: Wear safety goggles or eye protection in combination with breathing protection.
Ingestion: Do not eat, drink, or smoke during work.
Storage
Separated from acids, chlorine and food and feedstuffs.
Exposure limits and toxicity
Occupational exposure limits and toxicity data
- ACGIH TLV
- 8 hr Time Weighted Avg (TWA): 2.5 mg/cu m. /Fluorides, as F/
Short-term exposure: Corrosive on ingestion. The substance is irritating to the eyes. Long-term exposure: The substance may have effects on the teeth and bones (fluorosis).
Transport information
UN dangerous goods classification for road, sea and air
- UN number
- UN 2811
- Transport hazard class
- 6.1
- Packing group
- III
Shipping rules depend on mode, quantity and packaging. Confirm the classification with the supplier SDS and your freight forwarder.
Supplier safety data sheets
SDS documents uploaded by suppliers who list this chemical
No supplier has uploaded an SDS for Stop yet. Suppliers usually send one with their quote. Request quotes
Safety questions
Quick answers about handling Stop safely
Is Stop hazardous?
Which GHS pictograms apply to Stop?
What is the UN number of Stop?
How should Stop be stored?
Where can I get the SDS for Stop?
GHS classification summary, not an SDS. Always check the supplier's SDS. Last updated 7 Oct 2026. Report an error