Trimethylolpropane
- CAS Number
- 77-99-6
- HSN Code
- 29054100
- Molecular Formula
- C6H14O3
- Catalogue Number
- AL2582B
- Purity
- ≥ 98%
- Molecular Weight
- 134.2 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Trimethylolpropane (TMP) is a triol that serves as a versatile building block in the synthesis of various polymers and resins. With a purity of 98%, this extra pure grade is particularly valued in industrial applications for its high reactivity and low impurity levels. TMP is characterized by its ability to enhance the properties of resins, making it an essential component in the production of alkyd resins and polyurethanes. Its molecular structure allows for effective crosslinking, which improves the durability and performance of the final products.
Also known as 2,2-Bis(hydroxymethyl)propane-1,3-diol.
- Catalogue No.
- AL2582B
- CAS Number
- 77-99-6
- Molecular Formula
- C6H14O3
- Molecular Weight
- 134.2 g/mol
- HSN Code
- 29054100
- Grade
- 98% Extra Pure
- Product Form
- Substance
Trimethylolpropane appears as a white crystalline powder. It has a melting point of approximately 20-25 °C and a boiling point of around 290 °C. The substance is soluble in water, which facilitates its use in various aqueous formulations. Its density is approximately 1.1 g/cm³, and it has a relatively low vapor pressure, making it stable under standard conditions. The compound has a faint, sweet odor, typical of polyols.
- Appearance
- White crystalline powder
- Shelf Life
- 2 years
- Packaging
- Available in 1 kg, 5 kg, and 25 kg containers
- Storage
- Store in a cool, dry place away from direct sunlight and incompatible materials.
1.1 — Product identifier
- Chemical Name
- Trimethylolpropane
- Catalogue No.
- AL2582B
- Product form
- Substance
- CAS Number
- 77-99-6
- EC Number
- 201-072-0
- Grade
- 98% Extra Pure
- EC Index Number
- 603-103-00-4
- Chemical Formula
- C6H14O3
- HSN Code
- 29054100
- Synonyms
- 2,2-Bis(hydroxymethyl)propane-1,3-diol
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Crosslinking agent in resins and polymers
- 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
- Trimethylolpropane
- CAS No.
- 77-99-6
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 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
- Combustible material; 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
- Use appropriate personal protective equipment. Clean up spills immediately to prevent slipping hazards.
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 heat and 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 appropriate respiratory protection if ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Faint, sweet
- Odour threshold
- Not determined
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not determined
- Melting point
- 20-25 °C
- Freezing point
- Not determined
- Boiling point
- 290 °C
- Flash point
- Not determined
- Auto-ignition temperature
- Not determined
- Decomposition temperature
- Not determined
- Flammability (solid, gas)
- Combustible
- Vapour pressure
- Low
- Relative vapour density at 20°C
- Not determined
- Density
- 1.1 g/cm³
- Solubility
- Soluble in water
- Log Pow
- Not determined
- Viscosity, kinematic
- Not determined
- Viscosity, dynamic
- Not determined
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- 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 oxidizers, 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
- Mild irritant.
- Serious eye damage/irritation
- Mild irritant.
- Respiratory or skin sensitisation
- Not sensitizing.
- 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
Trimethylolpropane is widely used in the production of alkyd resins, which are utilized in paints, coatings, and adhesives due to their excellent adhesion and durability. In the polyurethane industry, TMP acts as a crosslinking agent, enhancing the mechanical properties and thermal stability of the final products. Additionally, it is employed in the synthesis of synthetic lubricant esters, which are crucial in automotive and industrial applications for their superior lubrication properties. TMP is also explored in research for its potential in developing new polymeric materials and formulations.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL2582B
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 134.2 g/mol
| Test | Standard | Observed |
|---|---|---|
| Description | White scales | White scales |
| Assay (GC) | Min. 98.0% | 98.66% |
| solubility(0.1 g /ml in H2O) | Clear | Clear |
| Melting point | 56 - 59°C | 56 - 59°C |
The above product complies with LR grade
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98% Extra Pure | ≥ 98% | 20-25 °C / 290 °C | ≤ 0.5% | ≤ 0.1% | None detected | Soluble in water |
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