Country: 
China (Mainland)
Business Type:Trading Company
Tel: 18954221560
Mobile: 18954221560
Tel: 18954221560
Fax:
URL: http://www.eastchem-cn.com
Province/state: Shangdong
City: Qingdao
Street: No.1581-12,Jinshui Road, Licang, Qingdao,China
Contact SuppliersCAS NO.73183-34-3
CAS NO.73183-34-3
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East Chemsources Limited was established in 2008, is a professional company engaged in the development of chemical products. In the past of 15 years，through continuous technological innovation and the use of talent introduction advantages, we have achieved rapid development, and has become an international diversified modern chemical enterprise. At present, our products have been exported to more than 80 countries,including food additives, pharmaceutical raw materials, chemical products and personal care
Since the establishment of the company, always adhere to the credibility first, quality first enterprise creed.
Our company is committed to creating a customer-centric, customer-demand-oriented, customer value creation and achievement of customer dreams for the purpose of the service concept, with a broad vision and broad mind, committed to creating good benefits and market operation, to build corporate brand.
Arabella
Whether your project is large or small, whether it needs one, several or all of our disciplines you will find our level of dedication to a quality result to be the same. We are looking forward to your sincere cooperation and participation.
| Category | Technical Indicator | Specific Parameter |
|---|---|---|
| Basic Information | Chemical Name | Bis (pinacolato) diboron |
| Aliases | ||
| CAS No. | 73183-34-3 | |
| EC No. | 615-925-0 | |
| Molecular Formula | C??H??B?O? | |
| Molecular Weight | 253.94 g/mol | |
| Chemical Nature | Organoboron compound (boronate ester) | |
| Physical & Chemical Properties | Appearance | White to off-white crystalline powder |
| Melting Point | 135-140℃ | |
| Boiling Point | 222.6°C at 760 mmHg | |
| Flash Point | 88.4°C | |
| Density | 0.97 g/cm³ | |
| Solubility | Soluble in organic solvents (e.g., tetrahydrofuran, dichloromethane, toluene); insoluble in water | |
| Purity Grade | Industrial grade: ≥98%; Pharmaceutical/research grade: ≥99% (HPLC) | |
| Key Performance | Core Reactivity | 1. Acts as a borylation reagent in platinum-catalyzed cis-vicinal diborylation of alkynes and alkenes; 2. Serves as a boron source for palladium-catalyzed borylation of aromatic compounds; 3. Substrate for palladium-catalyzed cyclization of 1,6-enynes to form homoallylic alkylboronates |
| Application Advantages | High reactivity in cross-coupling reactions (e.g., Suzuki-Miyaura coupling); good stability under normal storage conditions; compatible with common catalytic systems | |
| Application Fields | Main Uses | 1. Organic Synthesis: Key intermediate for the synthesis of heterocyclic compounds, pharmaceuticals, and fine chemicals via borylation reactions; 2. Pharmaceutical R&D: Precursor for drug molecules (e.g., anticancer, anti-inflammatory drugs) through Suzuki coupling; 3. Material Science: Used in the synthesis of functional polymers, organic semiconductors, and coordination polymers; 4. Agrochemicals: Intermediate for the preparation of novel pesticides and herbicides with fluorinated or heterocyclic structures |
| Quality & Compliance | Compliance Standards | Conforms to industrial chemical standards (GB/T); meets EU REACH regulations; TSCA non-listed (US) |
| Quality Documentation | COA (Certificate of Analysis), MSDS, Purity Test Report (HPLC/GC) available upon request | |
| Packaging & Storage | Packaging Specifications | 1g/10g/100g/500g glass bottles (for research use); 1kg/25kg vacuum-sealed aluminum foil bags or HDPE drums (industrial use) |
| Storage Conditions | 1. Store in a cool, dry, well-ventilated area at 2-8°C (refrigerated storage recommended); 2. Avoid direct sunlight, high temperatures, and moisture; 3. Keep sealed to prevent oxidation and contamination; 4. Shelf life: 24 months (unopened original package); 6 months after opening (when stored properly) | |
| Safety & Handling | Hazard Class | Irritant (Xi); Harmful if swallowed/inhaled (Xn) |
| Risk Phrases | R36/37/38 (Irritating to eyes, respiratory system and skin); R20/21/22 (Harmful by inhalation, in contact with skin and if swallowed) | |
| Safety Phrases | S26 (In case of contact with eyes, rinse immediately with plenty of water and seek medical advice); S37/39 (Wear suitable gloves and eye/face protection); S24/25 (Avoid contact with skin and eyes) | |
| Handling Precautions | Wear protective gloves (nitrile), goggles, and a dust mask during handling; avoid inhalation of dust and contact with skin/eyes; wash hands thoroughly after use | |
| Transportation Information | Not regulated as dangerous goods for sea/air/road transport (IMDG/IATA/ADR) |
1. Competitive offers with standard high quality or customize
2. Available customizing blending of above 2 single products
3. Prompt delivery within 2-3 weeks(1 weeks is available for ready stock)
4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 years
5. Respond to inquires within 1 hour and 24hours' online service
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See More Isooctyl stearate Properties
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Handling and Storage
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
See More Isooctyl stearate Safety Data Sheet