Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Product Overview
Methyltriphenylphosphonium bromide (CAS 1779-49-3) is a classic quaternary phosphonium salt compound. It appears as white crystalline powder with stable chemical properties. Featuring high reaction activity and good solubility in polar solvents, it is widely used in organic synthesis, pharmaceutical intermediate preparation and laboratory research. Produced via professional synthesis, recrystallization and drying processes, the product has high purity, low impurities and stable batch quality. For legitimate industrial production, formulation and scientific research only.
Product Features
- High Purity: ≥99.0% (HPLC), meets industrial grade and research grade standards.
- High Reactivity: Common precursor for Wittig reaction to synthesize olefin compounds.
- Good Solubility: Dissolves well in polar organic solvents, suitable for various reaction systems.
- Strict Quality Control: Each batch is fully tested; standard COA and MSDS are available upon request.
Physical & Chemical Properties
Physical Properties
- Appearance: White crystalline powder
- Odor: Odorless
- Molecular Formula: C19H18BrP
- Molecular Weight: 357.22
- Melting Point: 232 – 234 °C
- Solubility: Soluble in methanol, ethanol, dichloromethane; slightly soluble in cold water; insoluble in ether and non-polar solvents
- Hygroscopicity: Slightly hygroscopic
Chemical Properties
- Chemical Stability: Stable at room temperature; decomposes gradually under high temperature.
- Chemical Reactivity: Reacts with strong base to generate ylide, which participates in typical Wittig reaction.
- Acid-Base Character: Aqueous solution presents weak acidity.
- Incompatibility: Keep away from strong oxidants, strong bases and high temperature environment.
Applications
- Organic Synthesis: Key reagent for Wittig reaction, applied to the synthesis of alkenes and fine organic compounds.
- Pharmaceutical Industry: Important intermediate for synthesizing various drug molecules and bioactive substances.
- Chemical Research: Essential reagent for organic chemistry experiments and synthetic methodology research.
- Fine Chemicals: Raw material for preparing functional phosphonium derivatives.
Usage Restriction: For industrial synthesis and scientific research use only. Strictly forbidden for illegal processing and improper application.
Storage & Transportation Instructions
Storage Conditions
Store in a cool, dry, dark and well-ventilated warehouse. Keep containers tightly sealed to prevent moisture absorption. Store separately from strong oxidants and strong bases. Recommended storage temperature: 10 – 25 °C. Reseal containers immediately after opening.
Transportation Requirements
This product is classified as non-hazardous goods. Adopt moisture-proof and sealed packaging. Avoid violent collision, extrusion and rain soaking during transit. Do not transport together with food, feed and toxic substances.
Operation Notes
Wear chemical-resistant gloves and safety goggles. Operate in a well-ventilated fume hood. Avoid inhalation of dust and direct contact with skin and eyes. Rinse thoroughly with plenty of clean water in case of contact. Do not eat, drink or smoke in the working area.
Regulatory Information
EINECS Number: 217-210-1
HS Code: 2931900090
Complies with international organic chemical standards. Export products follow IATA and IMDG provisions. All transactions are limited to qualified chemical factories, pharmaceutical enterprises and research institutions.
Full Product Parameter Table
| Item | Specification & Details |
| Product Name | Methyltriphenylphosphonium bromide |
| CAS NO. | 1779-49-3 |
| IUPAC Name | Methyl(triphenyl)phosphanium bromide |
| Synonyms | Triphenylmethylphosphonium bromide |
| Molecular Formula | C19H18BrP |
| Molecular Weight | 357.22 |
| EINECS Number | 217-210-1 |
| UN Number | Non-hazardous goods |
| Hazard Class | Irritant |
| Appearance | White crystalline powder |
| Purity | ≥99.0% (HPLC) |
| Water Content | ≤0.5% |
| Melting Point | 232 – 234 °C |
| Solubility | Soluble in methanol, ethanol, dichloromethane; slightly soluble in water |
| HS Code | 2931900090 |
| Storage Temperature | 10 – 25 °C, sealed, dry & light-proof environment |
| Packing Specification | 25g/glass bottle, 100g/plastic bottle, 25kg/fiber drum |
| Grade Standard | Industrial Grade / Research Grade |
| Application Scope | Wittig reaction reagent, pharmaceutical intermediate, organic synthesis raw material |
| Validity Period | 24 Months under specified storage conditions |
