Winkler’s Solution ‘B’
- CAS Number
- -
- HSN Code
- 38229090
- Molecular Formula
- N/A
- Catalogue Number
- AL1574B
- Purity
- N/A
- Molecular Weight
- N/A
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Winkler’s Solution ‘B’ is a critical reagent used in the Winkler method for determining dissolved oxygen levels in water. This solution is an alkaline potassium iodide-azide mixture, which plays a vital role in the titration process. The Winkler method is a classic analytical technique widely employed in environmental science and water quality testing. The solution is ready-to-use, ensuring convenience and accuracy in laboratory settings.
Also known as Alkaline potassium iodide-azide solution.
- Catalogue No.
- AL1574B
- CAS Number
- -
- Molecular Formula
- N/A
- Molecular Weight
- N/A
- HSN Code
- 38229090
- Grade
- Ready-to-use solution
- Product Form
- Mixture
Winkler’s Solution ‘B’ is a clear, colorless liquid, indicating its purity and suitability for analytical applications. The solution is stable under normal laboratory conditions and should be stored in a cool, dry place away from direct sunlight. It is important to note that the solution contains sodium azide, which is toxic and requires careful handling. The density of the solution is approximately 1.0 g/cm³, and it is miscible with water, making it easy to integrate into various testing protocols.
- Appearance
- Clear, colorless liquid
- Shelf Life
- 12 months
- Packaging
- Available in 500 mL and 1 L bottles
- Storage
- Store in a cool, dry place, away from light and incompatible materials, particularly strong acids.
1.1 — Product identifier
- Chemical Name
- Winkler’s Solution ‘B’
- Catalogue No.
- AL1574B
- Product form
- Mixture
- CAS Number
- Not applicable
- EC Number
- Not applicable
- Grade
- Ready-to-use solution
- EC Index Number
- Not applicable
- Chemical Formula
- N/A
- HSN Code
- 38229090
- Synonyms
- Alkaline potassium iodide-azide solution
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Reagent for dissolved oxygen determination
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.3 — Other hazards
- Other hazards
- Contains sodium azide, which is toxic and potentially hazardous to aquatic life.
3.1 — Substance
- Name
- Winkler’s Solution ‘B’
- CAS No.
- Not applicable
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If symptoms persist, seek medical attention.
- First-aid measures after skin contact
- Wash with plenty of soap and water. Seek medical attention if irritation develops.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Symptoms of exposure may include headache, dizziness, nausea, and respiratory distress.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- May release toxic fumes in a fire. Use appropriate fire-fighting measures.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Contain spill and absorb with inert material. Dispose of in accordance with local regulations.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Wear appropriate protective equipment. Clean up spills immediately and dispose of waste properly.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle with gloves and eye protection. Avoid contact with skin and eyes.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Store in a cool, dry place, away from incompatible materials.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use in a well-ventilated area. If exposure limits are exceeded, use appropriate respiratory protection.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless
- Odour
- Odorless
- Odour threshold
- Not applicable
- pH value
- Approximately 10-11
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- Not applicable
- Freezing point
- Not applicable
- Boiling point
- Approximately 100 °C
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- Approximately 1.0 g/cm³
- Solubility
- Miscible with water
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions. Avoid contact with strong acids and bases.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- No dangerous reactions known under normal conditions of use.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong acids, strong oxidizers, and reactive metals.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Toxic if swallowed or inhaled. May cause respiratory irritation.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- May cause allergic skin reaction in sensitive individuals.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- May cause respiratory irritation.
- Specific target organ toxicity (repeated exposure)
- Not classified
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- UN 1760
- UN-No. (IMDG)
- UN 1760
- UN-No. (IATA)
- UN 1760
- UN-No. (ADN)
- UN 1760
- UN-No. (RID)
- UN 1760
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Corrosive liquid, n.o.s. (sodium azide)
- Proper Shipping Name (IMDG)
- Corrosive liquid, n.o.s. (sodium azide)
- Proper Shipping Name (IATA)
- Corrosive liquid, n.o.s. (sodium azide)
- Proper Shipping Name (ADN)
- Corrosive liquid, n.o.s. (sodium azide)
- Proper Shipping Name (RID)
- Corrosive liquid, n.o.s. (sodium azide)
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 8
14.4 — Packing group
- Packing group (ADR)
- III
- Packing group (IMDG)
- III
- Packing group (IATA)
- III
- Packing group (ADN)
- III
- Packing group (RID)
- III
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Winkler’s Solution ‘B’ is primarily used in conjunction with Winkler’s Solution ‘A’ for the titration method to measure dissolved oxygen in water samples. This method is essential in various fields, including environmental monitoring, aquatic biology, and wastewater treatment. The accurate determination of dissolved oxygen is crucial for assessing water quality and the health of aquatic ecosystems. Additionally, this solution is utilized in research laboratories for studies involving oxygen consumption and aquatic life assessments.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1574B
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- N/A
| Test | Standard | Observed |
|---|---|---|
| Appearance | Clear, colorless liquid | Clear, colorless liquid |
| pH value | 10-11 | 10.5 |
| Density | Approximately 1.0 g/cm³ | 1.02 g/cm³ |
| Boiling point | Approximately 100 °C | 100 °C |
| Solubility | Miscible with water | Miscible with water |
The above product is expected to comply with Ready-to-use solution grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| Ready-to-use solution | N/A | N/A | N/A | N/A | N/A | Miscible with water |
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