3,3′,4,4′-Benzophenonetetracarboxylic dianhydride CAS 2421-28-5
Physico-chemical Properties
| Molecular Formula |
C17H6O7 |
| Molar Mass |
322.23 |
| Density |
1.662g/cm3 |
| Melting Point |
219-226℃ |
| Boling Point |
638.8°C at 760 mmHg |
| Flash Point |
286.1°C |
| Water Solubility |
REACTS |
| Vapor Presure |
3.25E-16mmHg at 25°C |
| Appearance |
Odor-free light yellow powder solid |
| Storage Condition |
RT, argon filled storage |
| Sensitive |
Humidity sensitivity |
| Refractive Index |
1.699 |
| MDL |
MFCD00005923 |
| Physical and Chemical Properties |
BTDA is a tan crystalline powder. The substance has a melting point of 218.67°C and decomposes at 360°C. The autoignition temperature is very high and no flammability is observed. The density of the substance is 1.5452 g/ml and the vapor pressure is 6.53E-011 Pa. The substance is slightly soluble in water, log Pow is 3.3 |
| Use |
Benzophenone-3. 3 ‘,4.4’-tetracarboxylic dianhydride (BTDA) is used in the industrial field as an intermediate and in polycondensation (fiber and powder production) for the manufacture of plastic products or fine chemicals. Since BTDA is only manufactured and handled in the closed conditions of an industrial environment, the consumer risk is minimal. The environmental impact, Ecotoxicology and toxicology information available for BTDA is provided based on research and/or a reliable assessment of its hazard profile. |
Risk and Safety
| Hazard Symbols |
Xi – Irritant |
| Risk Codes |
R36/37 – Irritating to eyes and respiratory system. |
| Safety Description |
S25 – Avoid contact with eyes. |
Upstream Downstream Industry
| Raw Materials |
Acetone |
| Downstream Products |
2-Hydroxyethyl methacrylate |
Introduction
Reacts with water and dissolves in DMF(1G/10ML).
Nature
| melting point |
218-222°C (lit.) |
| boiling point |
320°C 5mm |
| density |
1.57 g/cm3 |
| vapor density |
1.4 (vs air) |
| Vapor pressure |
|
| refractive index |
1.6380 (estimate) |
| flash point |
324 °C |
| storage conditions |
Inert atmosphere,Room Temperature |
| solubility |
DMF: 0.1 g/mL, clear |
| morphology |
Needles or Crystalline Powder |
| color |
Off-white to brown |
| explosion limit value (explosive limit) |
16% |
| water solubility |
REACTS |
| maximum wavelength (& lambda;max) |
580nm(CH3CN)(lit.) |
| sensitivity |
Moisture Sensitive |
| sublimation point |
220-230 °C |
| BRN |
761777 |
| InChIKey |
VQVIHDPBMFABCQ-UHFFFAOYSA-N |
| NIST chemical information |
Bis-(3-phthalyl anhydride) ketone |
| EPA chemical information |
Benzophenonetetracarboxylic dianhydride |
MSDS
| ACROS |
English |
| SigmaAldrich |
English |
| ALFA |
Chinese |
| ALFA |
English |
Security information
| dangerous goods mark |
Xi |
| hazard category code |
36/37 |
| safety instructions |
25 |
| WGK Germany |
1 |
| F |
21 |
| auto-ignition temperature |
975 °F |
| TSCA |
Yes |
| customs code |
29183000 |
Other supplier products
|
|
Heat transfer powder coating |
Getaquote
whats/app：+86 132 6275 2056
WEB: std-coatings.com
Introduction
DESCRIPTION：
Heat transfer powder coating is also called Sublimation powd... |
|
|
Heat Resistant Powder Coating for Extreme Temperatures |
Getaquote
whats/app：+86 132 6275 2056
WEB: std-coatings.com
1. Professional Heat Resistant Coating Solutions for Industry
When metal components fac... |
|
|
Outdoor Facility Powder Coating |
Getaquote
whats/app：+86 132 6275 2056
WEB: std-coatings.com
Product Features
Excellent Adhesion, Flexibility, Impact Resistance, and High Hardn... |
|
|
Rim Powder Coating |
Aesthetic and Functional Excellence: The coating provides an aesthetically pleasing and uniform finish with excellent weather resistance. The gloss... |
|
|
Pure polyester/Primid type powder coating series |
Introduction
Introduction: Made of polyester resin and Primid curing agent as the main raw materials.
Features:
–Good adhesion and excelle... |
All supplier products
Same products
|
|
Heat Sealing Sterilization Pouch |
Seller: Hopeway AMD |
Heat Sealing Sterilization Pouch is designed for secure medical instrument packaging, supporting ... |
|
|
Catalytic Converter Scrap Supplier, Catalytic Converter Scrap for Sale, , Catalytic Converter Scrap, Catalytic Scrap for Sale, Catalytic Scrap Supplier, Scrap Catalytic Supplier |
Seller: Trucont LLC |
At Trucont LLC, we have ongoing Catalytic converter scrap available for immediate loading and shi... |
|
|
Epimedium Extract |
Seller: Xi'an Yuensun Biological Technology Co., Ltd. |
Product Name: Epimedium ExtractLatin Name: Epimedium Sagittatum Maxim.Specification: Icariin 5%, ... |
|
|
Pumpkin Powder |
Seller: Xi'an Yuensun Biological Technology Co., Ltd. |
Product Name: Pumpkin PowderLatin Name: Cucurbita pepo L.Used Part: FruitAppearance: yellow fine ... |
|
|
Broccoli Powder |
Seller: Xi'an Yuensun Biological Technology Co., Ltd. |
Product Name: Broccoli powder
Latin Name: Brassica oleracea L.var.italic Planch.
Used Part: Who... |
