A Safety Data Sheet (SDS) is a standardized document that outlines the properties, hazards, and safe handling procedures for a chemical product. Since formulations can change and specific batch data varies, you should always consult the official sheet provided by the manufacturer (Tesco) for the absolute latest information.

Below is a guide to the typical sections and hazards you will find on a Safety Data Sheet for Tesco Thick Bleach (Lemon), based on standard EU/UK regulations (REACH/CLP) for sodium hypochlorite-based cleaners.

Toxicological information (typical)

• Acute toxicity: Ingestion may cause burns to mouth/throat, gastrointestinal damage; inhalation of gases causes respiratory irritation.
• Skin/eye damage: Corrosive — can cause burns, permanent eye injury.
• Chronic effects: Repeated exposure may cause respiratory sensitization or irritation; skin dermatitis with repeated contact.

4.1 Inhalation:

• Move the person to fresh air immediately.
• If breathing is difficult, administer oxygen (if trained).
• If coughing, wheezing, or shortness of breath occurs, call a doctor or NHS 111.
• Note: Bleach fumes can trigger asthma.

Product identity

• Typical name: Tesco Thick Bleach Lemon (household bleach — sodium hypochlorite solution, thickened, lemon-scented)
• Use: Household disinfectant, laundry bleach, surface cleaner (dilute as directed)

4.4 Ingestion:

• Do NOT induce vomiting. (Bleach is corrosive; vomiting causes further damage to the throat and mouth.)
• Rinse mouth with water.
• Give water or milk to drink only if the person is conscious and able to swallow.
• Seek immediate medical attention – go to A&E or call 999.

Introduction: Why an SDS Matters for Household Bleach

At first glance, a bottle of Tesco Thick Bleach Lemon might seem like a simple household cleaner. However, its active ingredient—sodium hypochlorite—is a powerful chemical that requires respect, proper handling, and, in many professional settings, a legal obligation to understand its Safety Data Sheet (SDS).

An SDS (formerly known as Material Safety Data Sheet or MSDS) is a standardized document that provides critical information about a substance, including its hazards, composition, first-aid measures, and storage requirements. While domestic users may not receive a printed SDS at the checkout, employers, cleaners, and safety officers must have access to it.

This article provides a detailed, user-friendly breakdown of the Tesco Thick Bleach Lemon Safety Data Sheet, based on the official EU/UK CLP (Classification, Labelling and Packaging) regulations. We will cover identification, hazards, composition, first aid, firefighting, accidental release, handling, exposure controls, physical properties, stability, toxicology, disposal, transport, and regulatory information.

Disclaimer: This information is for guidance and educational purposes. Always refer to the actual product label and the most current SDS issued by Tesco or its supplier. Do not mix bleach with other household chemicals.

Part 4: Composition (Section 3) – What is actually in the bottle?

While Tesco does not publish proprietary ratios online, an SDS for this category of bleach will list:

| Chemical Name | CAS Number | Weight % | Function | | :--- | :--- | :--- | :--- | | Sodium Hypochlorite | 7681-52-9 | 5 - 10% | Active bleaching/disinfecting agent | | Sodium Chloride | 7647-14-5 | 1 - 5% | Salt (stabilizer) | | Sodium Hydroxide | 1310-73-2 | < 1% | pH stabilizer (makes it alkaline to prevent chlorine release) | | Limonene | 5989-27-5 | < 1% | Lemon fragrance (allergen) | | Anionic Surfactants | Proprietary | 5 - 15% | Thickening agent |

Note on Limonene: This is a common fragrance allergen. If you have skin sensitivities, the "Lemon" version may actually cause contact dermatitis even if the bleach doesn't burn you.

12. Ecological Information

• Aquatic Toxicity: The product is very toxic to aquatic organisms. Sodium hypochlorite degrades quickly in the environment

Safety Overview: Tesco Thick Bleach Lemon Tesco Thick Bleach Lemon (also referred to as "Citrus") is a powerful household disinfectant designed to kill 99.9% of bacteria and viruses. Due to its high concentration of active chlorine, it is classified as a hazardous substance requiring careful handling and storage. 1. Hazard Identification

Tesco Thick Bleach Lemon is primarily classified as corrosive and an irritant.

Health Hazards: Causes severe skin burns and serious eye damage. Physical Hazards: May be corrosive to metals.

Environmental Hazards: Highly toxic to aquatic life with long-lasting effects. 2. Composition & Key Ingredients

The effectiveness—and danger—of the product comes from several key chemical components:

Sodium Hypochlorite: The active bleaching and disinfecting agent.

Sodium Hydroxide: Used to stabilize the formula, also highly corrosive.

Anionic & Non-Ionic Surfactants: Help the bleach cling to surfaces (the "thick" quality) for better cleaning. Perfumes: Provides the lemon/citrus scent. 3. Critical Safety Precautions

NEVER Mix Chemicals: Do not use with other cleaning products, especially acids (like vinegar or toilet bowl descalers). Mixing bleach with acids releases toxic chlorine gas, which can be fatal if inhaled.

Ventilation: Always use in well-ventilated areas to avoid inhaling concentrated vapors.

Protective Gear: Wear protective gloves and consider eye/face protection to prevent accidental splashes. 4. Emergency First Aid Measures Tesco Original (Fresh) Thick Bleach MSDS

Understanding the Tesco Thick Bleach Lemon safety data sheet (SDS) is essential for anyone using this powerful cleaning agent in domestic or professional settings. According to the Tesco Help Center, users can request specific SDS or COSHH sheets for Tesco-branded products by contacting their customer service team with the product barcode. Product Overview and Identification

Tesco Thick Bleach Lemon is a cleaning and disinfecting agent designed to kill 99.9% of bacteria and viruses, including H1N1 and Coronavirus. It is formulated with a viscous consistency to cling to surfaces like toilet bowls for more effective cleaning.

Active Ingredient: Sodium Hypochlorite (typically 4.6g per 100g, or roughly 4.4%–4.6% active chlorine).

Other Ingredients: <5% Anionic surfactants, non-ionic surfactants, and perfumes (Lemon/Citrus). Hazard Identification (GHS/CLP)

According to established SDS guidelines for similar thick bleach formulations, this product carries specific hazard classifications: H290: May be corrosive to metals. H314: Causes severe skin burns and eye damage.

H400/H411: Very toxic to aquatic life with long-lasting effects.

EUH206: Warning! Do not use with other products, as it may release dangerous chlorine gas. Safe Handling and Personal Protection

To prevent accidental exposure, follow these safety protocols detailed in the HSE guidelines for cleaning chemicals and typical SDS sections: Tesco Thick Bleach 24 Hour Citrus 2Lt

* About this product. Description. Tesco thick bleach lemonKills 99.9% of bacteria and viruses* Eliminates germs and tough stains* Tesco Thick Bleach 24Hr Citrus 750Ml

Danger,May be corrosive to metals.,Causes severe skin burns and eye damage.,Very toxic to aquatic life with long lasting effects., THICK BLEACH - Safety Data Sheet - Clover Chemicals Ltd

contains Sodium Hypochlorite as its primary active ingredient. Unlike "thin" bleach, it includes gelling agents that allow it to cling to vertical surfaces like toilet bowls for longer contact time.

Active Disinfectant: Sodium Hypochlorite (typically 4.6g per 100g, or roughly 4.6% active chlorine).

Other Ingredients: <5% Anionic Surfactants, <5% Non-Ionic Surfactants, and Perfume (Lemon/Citrus).

pH Level: Highly alkaline (contains Sodium Hydroxide), which contributes to its corrosive nature. 2. Hazard Identification

Under CHIP and GHS regulations, this product is classified as a hazardous substance. Tesco Original (Fresh) Thick Bleach MSDS

Title: Understanding Hazard Communication: An Analysis of the Safety Data Sheet for Tesco Thick Bleach (Lemon)

Introduction

In the modern domestic environment, powerful chemical cleaning agents such as Tesco Thick Bleach (Lemon) are commonplace. While effective for disinfection and stain removal, these products contain sodium hypochlorite and other corrosive agents that pose significant health and environmental risks. The Safety Data Sheet (SDS) is a legally mandated document that bridges the gap between chemical manufacture and safe end-user application. Although the average consumer rarely requests an SDS, it remains the definitive source for hazard identification, first-aid measures, and safe handling protocols. This essay analyses the typical structure and content of the SDS for Tesco Thick Bleach (Lemon), examining its hazard classification, composition, toxicological information, and the critical distinction between professional and domestic usage contexts.

Hazard Classification and Identification

The SDS for Tesco Thick Bleach (Lemon) classifies the product primarily as a Corrosive substance under the Classification, Labelling and Packaging (CLP) Regulation (EC) No 1272/2008, which aligns with the UN’s Globally Harmonized System (GHS). The key hazard categories include: Skin Corrosion (Category 1A), Serious Eye Damage (Category 1), and Hazardous to the Aquatic Environment (Acute Category 1). Additionally, the product may release chlorine gas if mixed with acids or ammonia, leading to acute toxicity via inhalation. The lemon fragrance, while aesthetically pleasing, does not mitigate these hazards; the SDS explicitly warns that fragrances may cause respiratory sensitivity in susceptible individuals. Signal words on the SDS and product label include “Danger” and “Warning,” accompanied by hazard statements such as H314 (Causes severe skin burns and eye damage) and H400 (Very toxic to aquatic life).

Composition and Toxicological Information

The active ingredient in Tesco Thick Bleach (Lemon) is sodium hypochlorite, typically at a concentration between 5% and 10%, alongside sodium hydroxide (caustic soda) as a stabiliser and thickener. The SDS provides the specific European Chemicals Agency (ECHA) registration numbers and concentration ranges. From a toxicological perspective, the SDS details acute effects: ingestion leads to severe gastrointestinal corrosion, vomiting, and potential perforation; dermal contact results in painful chemical burns; and inhalation of aerosolised bleach can cause pulmonary oedema. Chronic exposure data indicate that repeated skin contact may lead to dermatitis. Notably, the SDS includes the ATEmix (Acute Toxicity Estimate) value for inhalation, underscoring that even short-term exposure to mist from vigorous splashing can be hazardous.

First-Aid and Fire-Fighting Measures

A critical section of the SDS outlines emergency responses. For eye contact, immediate irrigation with water for at least 15 minutes and prompt medical attention are required. For skin contact, the SDS advises removing contaminated clothing and washing with copious water. Uniquely, for ingestion, the SDS explicitly does not recommend inducing vomiting, as this would cause secondary corrosive damage to the oesophagus. Regarding fire-fighting, the product is not flammable; however, the SDS warns that thermal decomposition may release toxic chlorine and hydrogen chloride gases. Suitable extinguishing media include water spray, carbon dioxide, or foam, with firefighters advised to wear self-contained breathing apparatus.

Accidental Release and Handling Precautions

For domestic users, the SDS’s guidance on spill management is crucial. Small spills should be diluted with copious amounts of water and wiped up with absorbent inert material (e.g., sand or dedicated spill pads). The SDS strictly prohibits mixing spilled bleach with other cleaning agents (e.g., toilet cleaners containing acid or ammonia-based window cleaners), as this generates toxic chloramine or chlorine gas. Personal protective equipment (PPE) recommended for handling large quantities includes chemical-resistant gloves (e.g., nitrile or neoprene), safety goggles, and protective clothing. For the typical consumer using the product in a ventilated bathroom, the SDS suggests at minimum rubber gloves and eye protection.

Environmental and Disposal Considerations

The lemon-scented thick bleach is classified as very toxic to aquatic organisms. The SDS mandates that the product must not be released directly into surface water, drains, or soil. For domestic disposal, the guidance advises using the product completely according to label instructions, then rinsing the empty container and disposing of it in household waste (where permitted). Unused bleach should never be poured into storm drains or natural water bodies. This reflects a growing regulatory emphasis on mitigating ecotoxicity, particularly given that sodium hypochlorite degrades into chloride and oxygen, but its oxidative action can kill aquatic life before decomposition.

Distinction Between Professional and Consumer Use

One crucial insight from the SDS is the differential liability between professional and domestic contexts. For professional cleaners, the SDS requires access to full exposure scenarios, occupational exposure limits (OELs), and a chemical safety assessment. For domestic consumers, the product label and the simplified “information sheet” serve as the primary risk communication tools. However, the full SDS is available on request from Tesco or the manufacturer, and it is legally required to be provided to downstream industrial users. This distinction highlights a potential gap: the average household user may never read the SDS, relying instead on consumer-friendly but less comprehensive label warnings.

Conclusion

The Safety Data Sheet for Tesco Thick Bleach (Lemon) is a meticulously structured technical document that prioritises hazard communication, safe handling, and emergency response. While the lemon fragrance and thick consistency improve user experience and cling time, the SDS unequivocally confirms that the product remains a corrosive, ecotoxic substance requiring respect. Key takeaways include the necessity of avoiding chemical mixing, using appropriate PPE, and preventing environmental release. For the informed consumer or occupational user, the SDS transforms a common cleaning product from a potential source of injury or pollution into a safe and effective tool. Ultimately, the existence of such data sheets reinforces the principle that even everyday household chemicals demand the same rigorous risk assessment as industrial reagents.

The Safety Data Sheet (SDS) for Tesco Thick Bleach Lemon (often listed as "Citrus") provides essential information on its chemical hazards, handling, and emergency procedures. Core Safety Information Active Ingredient: Sodium Hypochlorite

(yielding approximately 4.6g of active chlorine per 100g) and Sodium Hydroxide Classification: Classified as . It is corrosive to metals and causes severe skin burns and eye damage Environmental Impact: Very toxic to aquatic life with long-lasting effects. Emergency Measures Eye/Skin Contact:

Rinse immediately with water for several minutes and remove contaminated clothing. Seek medical attention immediately. Ingestion:

Do not induce vomiting; rinse mouth and drink water. Seek immediate medical attention. Inhalation: Move to fresh air. Handling & Storage Safety Precautions:

Use appropriate PPE, including gloves and eye protection. Store in the original container in a cool, ventilated area.

Avoid mixing with acidic products to prevent the release of dangerous chlorine gas. Tesco Thick Bleach 24Hr Citrus 750Ml

The safety information for Tesco Thick Bleach Lemon (often marketed as "Citrus") is defined by its corrosive and environmentally hazardous properties. Key safety details derived from its Safety Data Sheet (SDS) and product labeling are summarized below. 1. Identification & Composition Product Name: Tesco Thick Bleach Lemon / Citrus Manufacturer: Tesco Stores Ltd, Welwyn Garden City Active Ingredient: Sodium Hypochlorite ( active chlorine) Other Key Ingredients: Sodium Hydroxide: (corrosive base) Anionic & Non-Ionic Surfactants: (cleaning agents) Lemon/Citrus scent CAS Numbers:

7681-52-9 (Sodium Hypochlorite), 1310-73-2 (Sodium Hydroxide) 2. Hazard Identification

This product is classified under GHS/CLP regulations with the following hazards: Corrosive to Metals: May be corrosive to certain metals (H290) Skin Corrosion: Causes severe skin burns (H314) Eye Damage: Causes serious eye damage (H318) Environmental Toxicity:

Very toxic to aquatic life with long-lasting effects (H400, H411) Chemical Reaction Hazard: Contact with acids liberates toxic chlorine gas (EUH206) 3. First Aid Measures Exposure Type Action to Take Inhalation

Move to fresh air immediately. Seek medical attention if discomfort persists. Do NOT induce vomiting.

Rinse mouth thoroughly with water and drink plenty of water. Call a Poison Center or doctor immediately. Skin Contact

Remove all contaminated clothing immediately. Rinse skin with plenty of water or shower. Seek medical help if irritation lasts. Eye Contact

Rinse cautiously with water for at least 15 minutes, removing contact lenses if present. Continue rinsing and call a doctor immediately. 4. Handling & Storage Tesco Original (Fresh) Thick Bleach MSDS

While a Safety Data Sheet (SDS) might seem like a dry technical document, the SDS for Tesco Thick Bleach Lemon tells a fascinating story of 18th-century chemistry meeting modern household safety.  The Chemistry of Clean 

At its core, this product relies on sodium hypochlorite (typically around 4.6% concentration), a compound discovered by French chemist Claude Louis Berthollet in 1785. It works through oxidation, a process that physically breaks down the molecular structure of bacteria and viruses to kill 99.9% of germs. The "thick" consistency is achieved by adding anionic surfactants, which allow the liquid to cling to vertical surfaces like toilet bowls for a longer, more effective "contact time".  Critical Safety Warnings 

The SDS serves as a vital manual for avoiding dangerous chemical reactions:  Tesco Original (Fresh) Thick Bleach MSDS

The safety data sheet (SDS) for Tesco Thick Bleach Lemon (often listed as Citrus) classifies the product as hazardous, primarily due to its active ingredient, Sodium Hypochlorite (releasing approximately 4.6g of active chlorine per 100g). Key Safety Hazards

Corrosive Nature: The product is classified as danger because it may be corrosive to metals and can cause severe skin burns and eye damage.

Toxic Gases: A critical warning is to never mix bleach with other products, especially acids, as it can release dangerous chlorine gas.

Environmental Impact: It is very toxic to aquatic life with long-lasting effects and should not be released into the environment. First Aid Measures If an accident occurs, follow these general SDS protocols:

Skin Contact: Immediately remove all contaminated clothing and rinse skin with water or shower.

Eye Contact: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do, and continue rinsing. Immediately call a poison center or doctor.

Ingestion: Rinse mouth but do NOT induce vomiting. Seek medical advice immediately.

Inhalation: Move the affected person to fresh air and keep them comfortable for breathing. Protective Equipment (PPE)

Gloves: Wear protective gloves (nitrile or rubber) to avoid skin exposure.

Eye Protection: Use safety glasses or goggles to prevent splashes.

Ventilation: Use only in well-ventilated areas to avoid inhaling concentrated vapors. Storage and Disposal

Storage: Keep only in the original container, stored upright in a cool, dark place, and locked up away from children.

Disposal: Dispose of contents and container according to local domestic waste requirements.

For complete official details, you can view product safety information directly on Tesco's website or access detailed technical data sheets through professional services like Sevron Safety Solutions. Tesco Original (Fresh) Thick Bleach MSDS

Transfer used material to a suitable waste container and dispose of in accordance with local regulations. 7. HANDLING AND STORAGE. Tesco Thick Bleach 24Hr Citrus 750Ml

Practical Takeaways for Users of Tesco Thick Bleach Lemon

1. Never mix bleach with anything other than water. Mixing with vinegar, ammonia, or toilet cleaner can kill you.
2. Ventilate the room every time you use it – open a window.
3. Wear gloves (rubber or nitrile) and consider safety goggles, especially when pouring.
4. Store out of reach of children and pets, in a locked cupboard if possible.
5. If swallowed, do not induce vomiting – seek immediate medical help.
6. For professional cleaners: Keep the SDS readily available and complete a COSHH assessment.
7. Environmentally: Use sparingly. Bleach is highly toxic to aquatic life. Never pour leftover bleach into rivers, ponds, or storm drains.