TES Buffer
- CAS Number
- 7365-44-8
- HSN Code
- 29221990
- Molecular Formula
- C6H15NO6S
- Catalogue Number
- AL2562A
- Purity
- 99%
- Molecular Weight
- 229.25 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
TES buffer (for molecular biology/biochemistry) is a widely used Good's biological buffer in the physiological pH range. It is particularly effective in maintaining stable pH levels in biological systems, making it essential for various laboratory applications. The buffer is known for its low ionic strength and minimal interference with biological reactions, which is crucial for accurate experimental results. With a purity of 99%, this reagent is suitable for sensitive applications in molecular biology and biochemistry, ensuring high-quality performance in research and development.
Also known as N-Tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid.
- Catalogue No.
- AL2562A
- CAS Number
- 7365-44-8
- Molecular Formula
- C6H15NO6S
- Molecular Weight
- 229.25 g/mol
- HSN Code
- 29221990
- Grade
- For Molecular Biology
- Product Form
- Substance
TES buffer appears as a white crystalline powder that is highly soluble in water, allowing for easy preparation of buffer solutions. It has a melting point of approximately 150 °C, and its solubility in water is around 50 g/L at room temperature. The buffer maintains a stable pH in the range of 6.8 to 8.2, making it ideal for various biological applications. The density of TES buffer is approximately 1.2 g/cm³, which is typical for crystalline organic compounds.
- Appearance
- White crystalline powder
- Shelf Life
- 2 years
- Packaging
- Available in 100 g and 500 g bottles
- Storage
- Store in a cool, dry place, away from direct sunlight.
1.1 — Product identifier
- Chemical Name
- TES Buffer
- Catalogue No.
- AL2562A
- Product form
- Substance
- CAS Number
- 7365-44-8
- EC Number
- 230-785-7
- Grade
- For Molecular Biology
- EC Index Number
- Not applicable
- Chemical Formula
- C6H15NO6S
- HSN Code
- 29221990
- Synonyms
- N-Tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Biological buffer for molecular biology and biochemistry applications
- 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
- TES Buffer
- CAS No.
- 7365-44-8
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, use appropriate fire-fighting measures for surrounding materials.
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 conditions of use; use in well-ventilated areas.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- 6.8 - 8.2 (in solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 150 °C
- Freezing point
- Not applicable
- Boiling point
- Not applicable
- 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
- 1.2 g/cm³
- Solubility
- 50 g/L in water
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidising
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions of use and storage.
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
- Not classified as acutely toxic.
- Skin corrosion/irritation
- May cause mild irritation.
- Serious eye damage/irritation
- May cause mild irritation.
- Respiratory or skin sensitisation
- Not 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
TES buffer is widely used in molecular biology and biochemistry as a biological buffer to maintain pH stability in cell-culture media and enzymatic reactions. It is particularly useful in applications involving protein purification, enzyme assays, and nucleic acid studies. The buffer is also employed in various diagnostic and therapeutic procedures, including the preparation of samples for electrophoresis and chromatography. Its compatibility with a range of biological systems makes it a preferred choice in laboratories focused on cellular and molecular research.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL2562A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 229.25 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay Purity | 99% min | 99.5% |
| Moisture Content | <1% | 0.5% |
| Residue on Ignition | <0.1% | 0.05% |
| pH (1% solution) | 6.8 - 8.2 | 7.0 |
| Solubility | 50 g/L in water | 52 g/L in water |
The above product is expected to comply with For Molecular Biology grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| For Molecular Biology | 99% | 150 °C | <1% | <0.1% | None detected | 50 g/L in water |
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