Triphenyl Phosphite
- CAS Number
- 101-02-0
- HSN Code
- 29202990
- Molecular Formula
- C18H15O3P
- Catalogue Number
- AL2584A
- Purity
- ≥ 97%
- Molecular Weight
- 310.28 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Triphenyl phosphite (for synthesis, phosphorous acid triphenyl ester) is a reactive phosphorus(III) ester used in organic synthesis. It is particularly valued for its role as a reagent in various chemical reactions, including phosphite-ester and Arbuzov-type organophosphorus synthesis. This compound is notable for its ability to stabilize certain intermediates and facilitate the formation of phosphorus-containing compounds. With a purity of 97%, it is suitable for high-quality synthesis applications in both academic and industrial settings.
Also known as Phosphorous acid triphenyl ester.
- Catalogue No.
- AL2584A
- CAS Number
- 101-02-0
- Molecular Formula
- C18H15O3P
- Molecular Weight
- 310.28 g/mol
- HSN Code
- 29202990
- Grade
- 97%
- Product Form
- Substance
Triphenyl phosphite appears as a colorless to pale yellow viscous liquid. It has a density of 1.184 g/mL at 20°C. The compound has a boiling point of approximately 360°C and a flash point of 150°C. It is soluble in organic solvents such as benzene and ether but has limited solubility in water. The viscosity of the liquid is relatively high, contributing to its unique handling properties in laboratory settings.
- Appearance
- Colorless to pale yellow viscous liquid
- Shelf Life
- 2 years
- Packaging
- Available in 500 mL glass bottles
- Storage
- Store in a cool, dry place away from light and moisture.
1.1 — Product identifier
- Chemical Name
- Triphenyl Phosphite
- Catalogue No.
- AL2584A
- Product form
- Substance
- CAS Number
- 101-02-0
- EC Number
- 202-025-0
- Grade
- 97%
- EC Index Number
- phosphorous acid triphenyl ester
- Chemical Formula
- C18H15O3P
- HSN Code
- 29202990
- Synonyms
- Phosphorous acid triphenyl ester
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Reagent in organic synthesis
- 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
- Triphenyl Phosphite
- CAS No.
- 101-02-0
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.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- 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
- May emit toxic fumes under fire conditions.
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 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 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
- Liquid
- Colour
- Colorless to pale yellow
- Odour
- Mild
- Odour threshold
- Not determined
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not determined
- Melting point
- Not applicable
- Freezing point
- Not applicable
- Boiling point
- 360°C
- Flash point
- 150°C
- Auto-ignition temperature
- Not determined
- Decomposition temperature
- Not determined
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- <0.1 mmHg at 20°C
- Relative vapour density at 20°C
- Not determined
- Density
- 1.184 g/mL
- Solubility
- Soluble in organic solvents, insoluble 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, 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, strong acids.
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
- Mild irritant
- Serious eye damage/irritation
- Mild irritant
- Respiratory or skin sensitisation
- Not a sensitizer
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- Not classified
- 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)
- 3077
- UN-No. (IMDG)
- 3077
- UN-No. (IATA)
- 3077
- UN-No. (ADN)
- 3077
- UN-No. (RID)
- 3077
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Environmentally hazardous substance, solid
- Proper Shipping Name (IMDG)
- Environmentally hazardous substance, solid
- Proper Shipping Name (IATA)
- Environmentally hazardous substance, solid
- Proper Shipping Name (ADN)
- Environmentally hazardous substance, solid
- Proper Shipping Name (RID)
- Environmentally hazardous substance, solid
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 9
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
Triphenyl phosphite is widely used in organic synthesis, particularly in the preparation of phosphite esters and in Arbuzov-type reactions, which are important in the synthesis of organophosphorus compounds. It serves as a stabilizing agent in the production of flame retardants and plasticizers. Additionally, it is utilized in the synthesis of various pharmaceuticals and agrochemicals, making it a valuable reagent in both the chemical and agricultural industries.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL2584A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 310.28 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 97% | 98.5% |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 0.1% | 0.05% |
| Related Substances | None detected | None detected |
The above product is expected to comply with 97% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 97% | ≥ 97% | Not applicable | ≤ 0.5% | ≤ 0.1% | None detected | Soluble in organic solvents |
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.
