Based on the official SDS for this product (typically listing the identifier "Sodium Hypochlorite <5%"), here’s what you need to know:
1. It’s Corrosive (Hazard Statement H314)
2. Dangerous Gas – Never Mix with Other Cleaners (Hazard Statement H400)
3. Harmful to Aquatic Life
This section provides data such as:
Under the CLP Regulation (EC No 1272/2008), W5 Thick Bleach is classified as a corrosive and dangerous substance. The hazard pictograms on the label and SDS typically include:
Hazard Statements (H-statements):
In a bright cleaning closet lived W5 Thick Bleach in a heavy-duty plastic bottle. Though proud of its whitening powers, it knew it must be handled with respect. If splashed into eyes, it caused severe burning and watering. If breathed in as strong fumes, it made the throat tighten and caused coughing. Swallowing the thick liquid could upset the stomach and lead to serious harm. When mixed with acids or ammonia, it became furious — giving off choking chlorine gas that made breathing nearly impossible. The bottle carried clear danger signs: corrosive to skin and eyes, respiratory irritant, and reactive with certain chemicals.
Though W5 Thick Bleach was not flammable, it fought fires by staying out of flames. If involved in a fire, it warned, decomposition can release chlorine and oxygen-containing gases — use water spray, foam, or dry chemical extinguishers and wear full protective gear and SCBA.
W5 Thick Bleach loved structure and organized its life around safety: safety data sheet for w5 thick bleach
When it comes to powerful, cost-effective household cleaning products, W5 Thick Bleach—a popular line available at Lidl supermarkets—is a go-to choice for many. Its thick, viscous formula clings to toilet bowls, sinks, and tiles, promising a deep clean and disinfection. However, the very properties that make it an effective cleaner (its high alkalinity and oxidizing power) also make it a hazardous chemical.
Whether you are a home user, a professional cleaner, or a safety officer conducting a COSHH (Control of Substances Hazardous to Health) assessment, understanding the Safety Data Sheet (SDS) for W5 Thick Bleach is not just a formality—it is a legal and practical necessity. This article provides a detailed breakdown of what the SDS contains, why it matters, and how to interpret the technical jargon to keep yourself and your family safe.
The exact percentage is proprietary (trade secret), but the SDS will list a concentration range. For W5 Thick Bleach, you can expect: Based on the official SDS for this product