(3-Aminopropyl)triethoxysilane
- CAS Number
- 919-30-2
- HSN Code
- 29319090
- Molecular Formula
- C9H23NO3Si
- Catalogue Number
- AL1748A
- Purity
- ≥ 98%
- Molecular Weight
- 221.37 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
(3-Aminopropyl)triethoxysilane is a widely used silane coupling agent that bonds organic amine chemistry to inorganic (glass, silica, metal) surfaces. It is particularly effective in enhancing adhesion and compatibility between organic and inorganic materials.
Also known as Aminopropyltriethoxysilane, APTES.
- Catalogue No.
- AL1748A
- CAS Number
- 919-30-2
- Molecular Formula
- C9H23NO3Si
- Molecular Weight
- 221.37 g/mol
- HSN Code
- 29319090
- Grade
- 98%
- Product Form
- Substance
Colorless to pale yellow liquid with a density of 0.946 g/mL. It is moisture-sensitive and should be handled with care to avoid degradation.
- Appearance
- Colorless to pale yellow liquid
- Shelf Life
- 12 months
- Packaging
- Available in 500 mL and 1 L bottles
- Storage
- Store in a cool, dry place away from moisture.
1.1 — Product identifier
- Chemical Name
- (3-Aminopropyl)triethoxysilane
- Catalogue No.
- AL1748A
- Product form
- Substance
- CAS Number
- 919-30-2
- EC Number
- 213-048-4
- Grade
- 98%
- EC Index Number
- Not applicable
- Chemical Formula
- C9H23NO3Si
- HSN Code
- 29319090
- Synonyms
- Aminopropyltriethoxysilane, APTES
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Silane coupling agent for surface functionalization
- 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
- Moisture-sensitive, may release ethanol upon hydrolysis
3.1 — Substance
- Name
- (3-Aminopropyl)triethoxysilane
- CAS No.
- 919-30-2
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
- Irritation of eyes, skin, 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
- May emit toxic fumes in a fire. Use water spray to cool containers.
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 protective equipment. Clean up promptly and dispose of waste safely.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle under inert gas. Avoid moisture and 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 tightly closed container in a cool, dry place away from moisture.
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 to pale yellow
- Odour
- Slight ethanol-like
- Odour threshold
- Not established
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not established
- Melting point
- Not applicable
- Freezing point
- Not applicable
- Boiling point
- Approximately 200 °C
- Flash point
- Not established
- Auto-ignition temperature
- Not established
- Decomposition temperature
- Not established
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Not established
- Relative vapour density at 20°C
- Not established
- Density
- 0.946 g/mL
- Solubility
- Soluble in water (hydrolyzes)
- Log Pow
- Not established
- Viscosity, kinematic
- Not established
- Viscosity, dynamic
- Not established
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Reacts with water to form silanol and ethanol.
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 bases, and oxidizing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 (oral, rat) > 2000 mg/kg.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- Not a skin 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)
- UN 2735
- UN-No. (IMDG)
- UN 2735
- UN-No. (IATA)
- UN 2735
- UN-No. (ADN)
- UN 2735
- UN-No. (RID)
- UN 2735
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- (3-Aminopropyl)triethoxysilane
- Proper Shipping Name (IMDG)
- (3-Aminopropyl)triethoxysilane
- Proper Shipping Name (IATA)
- (3-Aminopropyl)triethoxysilane
- Proper Shipping Name (ADN)
- (3-Aminopropyl)triethoxysilane
- Proper Shipping Name (RID)
- (3-Aminopropyl)triethoxysilane
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 8
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
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
Used to surface-functionalize glass, silica, and metal substrates with reactive amine groups for bioconjugation and materials science. It is also utilized in the production of coatings, adhesives, and sealants.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1748A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 221.37 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay Purity | ≥ 98% | 99.2% |
| Moisture Content | ≤ 1% | 0.5% |
| Related Substances | None detected | None detected |
| Density | 0.946 g/mL | 0.946 g/mL |
The above product is expected to comply with 98% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98% | ≥ 98% | Not applicable | ≤ 1% | Not applicable | None detected | Soluble in water (hydrolyzes) |
Related Products
View AllWhy buy from Alpha Chemika
What Our Scientific & Industrial Customers Say
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
FAQs
Common Questions About Laboratory Chemicals & Solutions
Find answers to common questions about laboratory chemicals, product selection, documentation, ordering, and technical support. Whether you are sourcing chemicals for research, testing, education, manufacturing, or industrial applications, these FAQs can help you make informed purchasing decisions.
Alpha Chemika offers a wide range of laboratory chemicals, reagents, solvents, and specialty products for research, testing, educational, pharmaceutical, and industrial applications.
Product selection depends on factors such as application, required purity, grade, specifications, and intended use. Our team can help you identify suitable products based on your technical requirements.
Yes. Relevant product information and technical documentation can be provided to help you evaluate products for quality, handling, compliance, and application requirements.
Yes. You can share your product list, required quantities, specifications, and delivery requirements with our team for a tailored quotation.
Yes. We support requirements from research laboratories, educational institutions, pharmaceutical companies, manufacturers, distributors, and other scientific and industrial organizations.
Connect with Us for Your Requirements
Have a specific product requirement or need help finding the right chemical for your application? Share your requirements with our team, and we will help you identify suitable products, specifications, quantities, and procurement options.
