Tiron (monohydrate)
- CAS Number
- 149-45-1
- HSN Code
- 29089990
- Molecular Formula
- C6H4O8Na2S2·H2O
- Catalogue Number
- AL01518
- Purity
- ≥ 98%
- Molecular Weight
- 314.20 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Tiron AR (monohydrate) is a highly effective water-soluble chelating agent, primarily utilized in analytical chemistry for the determination of metal ions. Its ability to form stable complexes with various metal ions makes it an essential reagent in colorimetric assays, particularly for iron(III) and titanium. The compound is recognized for its high purity and reliability in laboratory settings, making it suitable for research and industrial applications. Tiron's unique properties stem from its molecular structure, which includes two sulfonate groups that enhance its chelating capabilities, allowing for precise metal ion detection and quantification.
Also known as Disodium 4,5-dihydroxy-1,3-benzenedisulfonate monohydrate.
- Catalogue No.
- AL01518
- CAS Number
- 149-45-1
- Molecular Formula
- C6H4O8Na2S2·H2O
- Molecular Weight
- 314.20 g/mol
- HSN Code
- 29089990
- Grade
- AR grade, monohydrate
- Product Form
- Substance
Tiron AR appears as a white to pale gray crystalline powder. It is highly soluble in water, with a solubility of approximately 100 g/L at 20°C. The compound has a melting point of around 150°C (decomposes), and its density is approximately 1.5 g/cm³. Tiron exhibits a neutral pH in aqueous solutions, typically around 6-7. The compound is stable under normal conditions but should be stored in a cool, dry place away from strong oxidizing agents.
- Appearance
- White to pale gray crystalline powder
- Shelf Life
- 2 years
- Packaging
- Available in 100 g and 500 g polyethylene bottles
- Storage
- Store in a cool, dry place, away from direct sunlight and incompatible materials.
1.1 — Product identifier
- Chemical Name
- Tiron (monohydrate)
- Catalogue No.
- AL01518
- Product form
- Substance
- CAS Number
- 149-45-1
- EC Number
- 205-746-0
- Grade
- AR grade, monohydrate
- EC Index Number
- Not applicable
- Chemical Formula
- C6H4O8Na2S2·H2O
- HSN Code
- 29089990
- Synonyms
- Disodium 4,5-dihydroxy-1,3-benzenedisulfonate monohydrate
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Chelating agent for metal ion 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
- None identified
3.1 — Substance
- Name
- Tiron (monohydrate)
- CAS No.
- 149-45-1
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
- Rinse mouth. Do not induce vomiting. Seek medical attention if symptoms occur.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- May cause mild irritation to skin, eyes, and respiratory tract.
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
- Non-flammable; however, may produce toxic fumes in a fire.
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 collect using appropriate protective equipment. Dispose of in accordance with local regulations.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Use appropriate personal protective equipment. Sweep up and place in a suitable container for disposal.
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.
- 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
- Not required under normal use conditions; use in well-ventilated areas.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White to pale gray
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- 6-7 (in aqueous solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 150°C (decomposes)
- Freezing point
- Not applicable
- Boiling point
- Not applicable
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- >150°C
- Flammability (solid, gas)
- Non-flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- ~1.5 g/cm³
- Solubility
- ~100 g/L in water at 20°C
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not applicable
- Oxidising properties
- Not applicable
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; avoid 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, strong acids, and bases.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Low toxicity; LD50 (oral, rat) > 2000 mg/kg.
- Skin corrosion/irritation
- May cause mild irritation.
- Serious eye damage/irritation
- May cause mild irritation.
- Respiratory or skin sensitisation
- Not expected to be a sensitizer.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- Not classified as a specific target organ toxicant.
- 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)
- Not classified as dangerous goods.
- UN-No. (IMDG)
- Not classified as dangerous goods.
- UN-No. (IATA)
- Not classified as dangerous goods.
- UN-No. (ADN)
- Not classified as dangerous goods.
- UN-No. (RID)
- Not classified as dangerous goods.
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Not applicable
- Proper Shipping Name (IMDG)
- Not applicable
- Proper Shipping Name (IATA)
- Not applicable
- Proper Shipping Name (ADN)
- Not applicable
- Proper Shipping Name (RID)
- Not applicable
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- Not applicable
14.4 — Packing group
- Packing group (ADR)
- Not applicable
- Packing group (IMDG)
- Not applicable
- Packing group (IATA)
- Not applicable
- Packing group (ADN)
- Not applicable
- Packing group (RID)
- Not applicable
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
Tiron AR is extensively used in analytical chemistry as a colorimetric reagent for the determination of metal ions, particularly iron(III) and titanium. It is employed in various industries, including environmental testing, food and beverage analysis, and pharmaceuticals, where accurate metal ion quantification is critical. Additionally, Tiron is utilized in research laboratories for studies involving metal ion interactions and complexation reactions. Its chelating properties also make it valuable in biochemistry for studying metal-dependent enzymes and proteins.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01518
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 314.20 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay (Purity) | ≥ 98% | 99.5% |
| Moisture Content | ≤ 5% | 3.2% |
| Residue on Ignition | ≤ 0.5% | 0.2% |
| Related Substances | None detected | None detected |
| Solubility | Soluble in water | Soluble at 20°C |
The above product is expected to comply with AR grade, monohydrate grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| AR grade, monohydrate | ≥ 98% | 150°C (decomposes) | ≤ 5% | ≤ 0.5% | None detected | Soluble in water |
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