Quinhydrone
- CAS Number
- 106-34-3
- HSN Code
- 29420090
- Molecular Formula
- C12H10O4
- Catalogue Number
- AL01284
- Purity
- ≥ 97%
- Molecular Weight
- 218.21 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Quinhydrone (extra pure) is a molecular complex of quinone and hydroquinone, recognized for its significant role in classical electrochemistry as a redox reference standard. This compound is particularly notable for its stability and reliability in electrochemical measurements, making it an essential component in various analytical applications. With a purity of 97%, it meets high standards for precision in scientific research and industrial applications. Quinhydrone is also utilized in the development of pH measurement devices, contributing to its importance in both academic and industrial laboratories.
Also known as 1,4-Benzoquinone, 1,4-Dihydroxybenzene complex.
- Catalogue No.
- AL01284
- CAS Number
- 106-34-3
- Molecular Formula
- C12H10O4
- Molecular Weight
- 218.21 g/mol
- HSN Code
- 29420090
- Grade
- 97% Extra Pure
- Product Form
- Substance
Quinhydrone appears as a dark green to black crystalline solid, exhibiting a characteristic color that is indicative of its chemical structure. It has a melting point of approximately 130-132 °C, which is typical for this type of compound. The density of quinhydrone is around 1.3 g/cm³, and it is sparingly soluble in water but soluble in organic solvents such as ethanol and acetone. The compound has a strong, aromatic odor, which is common among quinone derivatives, and it is stable under normal conditions, although it should be stored away from strong oxidizing agents.
- Appearance
- Dark green to black crystalline solid
- Shelf Life
- -
- Packaging
- -
- Storage
- Store in a cool, dry place, away from strong oxidizing agents.
1.1 — Product identifier
- Chemical Name
- Quinhydrone
- Catalogue No.
- AL01284
- Product form
- Substance
- CAS Number
- 106-34-3
- EC Number
- Not specified
- Grade
- 97% Extra Pure
- EC Index Number
- Not specified
- Chemical Formula
- C12H10O4
- HSN Code
- 29420090
- Synonyms
- 1,4-Benzoquinone, 1,4-Dihydroxybenzene complex
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used as a redox reference standard in electrochemistry
- 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
- Toxic; handle with gloves and appropriate protective equipment.
3.1 — Substance
- Name
- Quinhydrone
- CAS No.
- 106-34-3
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 soap and water. If irritation occurs, seek medical attention.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. If irritation persists, 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 irritation of the respiratory tract, skin, and eyes.
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
- Toxic fumes may be released 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
- Evacuate area and ventilate. Wear appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Contain spill and collect using suitable absorbent materials. Dispose of in accordance with local regulations.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Avoid contact with skin and eyes. Use in a well-ventilated area and wear appropriate protective equipment.
- 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 such as strong oxidizers.
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 appropriate respiratory protection if ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- Dark green to black
- Odour
- Aromatic
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- 130-132 °C
- Freezing point
- Not specified
- Boiling point
- Not specified
- Flash point
- Not specified
- Auto-ignition temperature
- Not specified
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable under normal conditions
- Vapour pressure
- Not specified
- Relative vapour density at 20°C
- Not specified
- Density
- 1.3 g/cm³
- Solubility
- Sparingly soluble in water, soluble in organic solvents
- Log Pow
- Not specified
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not specified
10.1 — Reactivity
- Reactivity
- Stable under normal conditions, but may react with strong oxidizing agents.
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 oxidizing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Toxic if swallowed or inhaled.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- May cause allergic skin reaction.
- 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 2811
- UN-No. (IMDG)
- UN 2811
- UN-No. (IATA)
- UN 2811
- UN-No. (ADN)
- UN 2811
- UN-No. (RID)
- UN 2811
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Toxic solid, organic, n.o.s.
- Proper Shipping Name (IMDG)
- Toxic solid, organic, n.o.s.
- Proper Shipping Name (IATA)
- Toxic solid, organic, n.o.s.
- Proper Shipping Name (ADN)
- Toxic solid, organic, n.o.s.
- Proper Shipping Name (RID)
- Toxic solid, organic, n.o.s.
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1
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
Quinhydrone is primarily used as a redox potential reference standard in classical electrochemistry, particularly in the construction of quinhydrone electrodes. These electrodes are crucial for accurate pH measurements and are widely employed in various fields, including environmental monitoring, food and beverage quality control, and pharmaceutical analysis. Additionally, quinhydrone finds applications in research settings where precise electrochemical measurements are required, such as in the study of reaction kinetics and thermodynamics. Its role in developing electrochemical sensors further underscores its significance in modern analytical chemistry.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01284
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 218.21 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 97% | 98.5% |
| Melting Point | 130-132 °C | 131 °C |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 0.1% | 0.05% |
| Related Substances | None detected | None detected |
| Solubility | Sparingly soluble in water | Sparingly soluble in water, soluble in ethanol and acetone. |
The above product is expected to comply with 97% Extra Pure grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 97% Extra Pure | ≥ 97% | 130-132 °C | ≤ 0.5% | ≤ 0.1% | None detected | Sparingly soluble in water, soluble in ethanol and acetone |
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