15 Years Factory 98% Buy BTDA CAS 2421-28-5; BTDA MSDS; 3,3',4,4'-Benzophenonetetracarboxylic dianhydride CAS 2421-28-5
3 Inquiries
2421-28-5
Industrial Grade
98%
Shanghai
Honour
20kg/25kg/drum/Customized
2023-02-28
Semaglutide,Tirzepatide,API,Enzyme
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Product Description
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Seller Information
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Inquiry History
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DescriptionBasic Info
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Product Name:
Benzophenonetetracarboxylic dianhydride
Other Name:1,3-Isobenzofurandione,5,5′-carbonylbis-;Phthalic anhydride,4,4′-carbonyldi-;5,5′-Carbonylbis[1,3-isobenzofurandione];Benzophenonetetracarboxylic acid dianhydride;3,4,3′,4′-Benzophenonetetracarboxylic acid anhydride;3,3′,4,4′-Tetracarboxybenzophenone dianhydride;Benzophenonetetracarboxylic dianhydride;4,4′-Carbonylbis(phthalic anhydride);3,4,3′,4′-Benzophenonetetracarboxylic dianhydride;4,4′-Carbonyldiphthalic anhydride;4,4′-Diphthalic anhydride ketone;3,3′,4,4′-Benzophenonetetracarboxylic acid dianhydride;BTDA;3,3′,4,4′-Benzophenonetetracarboxylic dianhydride;Benzophenone-3,3′,4,4′-tetracarboxylic acid anhydride;NSC 78480;3,3′,4,4′-Benzophenonetetracarboxylic anhydride;BTDA-PF;BTDA-UP;101505-15-1;55206-66-1;64308-15-2;65929-27-3;68593-66-8;86442-22-0;160903-84-4;163915-23-9;174612-63-6;1156492-00-0;1189096-76-1
CAS No.:2421-28-5
Molecular Formula:C17H6O7
InChIKeys:InChIKey=VQVIHDPBMFABCQ-UHFFFAOYSA-N
Molecular Weight:322.23
Exact Mass:322.23
BRN:761777
EC Number:219-348-1
UNII:Y61GVA8097
NSC Number:78480
DSSTox ID:DTXSID3029233
HScode:29183000
Categories:
Characteristics-
PSA:
104
XLogP3:2
Appearance:Off-white to brown Needles or Crystalline Powder
Density:1.7±0.1 g/cm3
Melting Point:225-226.5 °C
Boiling Point:320°C5mm
Flash Point:324 °C
Refractive Index:1.700
Water Solubility:Solubility in water: reaction.DMF: 0.1 g/mL, clear
Storage Conditions:Store in a tightly closed container. Store protected from moisture. Store under nitrogen. Store in a cool, dry area away from incompatible substances.
Vapor Pressure:<0.1 mm Hg ( 0 °C)
Vapor Density:1.4 (vs air)
Explosive limit:16%
Hazard IdentificationClassification of the substance or mixture
Eye irritation, Category 2
Specific target organ toxicity â single exposure, Category 3
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H319 Causes serious eye irritation
H335 May cause respiratory irritation
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
Response P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P319 Get medical help if you feel unwell.
Storage P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
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.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Trader
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Main Products:
Semaglutide,Tirzepatide,API,Enzyme
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Location:
Unit ST-308, No. 329, Jiahe Road, Siming District, Xiamen
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Payment Terms:
TT against copy of documents,L/C,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
7
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Total Annual Revenue:
$50 million-$100 million
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Total Employees:
11-50
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Year of Establishment:
2018
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Inquiry History3 Inquiries
Country Product Purchase Quantity Date Posted 
Russia
Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride
4.40 KG Sep 28, 2023 
United States
3,3’4,4’-Benzophenonetetracarboxylic dianhydride
5000 KG Nov 22, 2023
Russia
5-Norbornene-2,3-dicarboxylic Anhydride
2.30 KG Sep 28, 2023 Post an enquiry for this product
