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
|
|
STD 6PPD (4020) |
Chemical Name:N-(1.3-dimethylbutyl)-N'-phenyl-p-phenylenediamine
CAS Registration Number: 793-24-8
Product Specifications:
Appearance
g... |
|
|
Architectural Powder Coatings |
About Our Architectural Powder Coatings
We are a leading powder coating manufacturer based in China, specializing in high-performance architectura... |
|
|
Storage rack powder coating |
Characteristics of powder coatings
“It does not contain toxic, solvent free, or volatile toxic substances, so it does not have toxic,”... |
|
|
STD-6622 Dispersing Additive |
Technical Specifications
ParameterDetails
Composition
Modified acrylic copolymer
Appearance
Translucent, low-viscosity liquid
... |
|
|
3-Chloro-5-Fluoro-2-Hydroxybenzaldehyde CAS No.82128-69-6 |
Names and Identifiers
Name
3-Chloro-5-Fluoro-2-Hydroxybenzaldehyde
Synonyms
82128-64-63-CHLORO-5-FLUOROSALICYLALDEHYDE3-Chloro-5-Fluo... |
供应产品
Same products
|
|
Easy-cleaning Silicone-Modified Waterborne UV Resin |
卖方: Guangzhou Human New Material Science and Technology Co., Ltd |
LUV533 is a high-performance, silicone-modified hexafunctional waterborne UV resinengineered to d... |
|
|
Water-based Soft-Touch Resin for Consumer Electronics |
卖方: Guangzhou Human New Material Science and Technology Co., Ltd |
Water-based Soft-Touch Resinis an advanced coating material formulated to deliver a luxurious, ve... |
|
|
Conformal Coatings |
卖方: Guangzhou Human New Material Science and Technology Co., Ltd |
The conformal coatingsprovide good adhesion to metal, PCB and other substrates after curing at ro... |
|
|
Metalized & Laser Transfer coating |
卖方: Guangzhou Human New Material Science and Technology Co., Ltd |
Metallized and laser transfer coatingsare designed with sustainability in mind, ensuring minimal ... |
|
|
Hydrophilic coatings for Air Conditioner |
卖方: Guangzhou Human New Material Science and Technology Co., Ltd |
A water-based coating combination applied on the surface of aluminum foil, which forms a layer wi... |
