3,3',4,4'-Benzophenonetetracarboxylic dianhydride TOP1 supplier
1 Inquiries
2421-28-5
Industrial Grade
according to the clients requirement
Yes
2026-11-24
N-Diethyl-m-toluamide,6-Methyluracil,Anisole,4-Dimethoxybenzoic acid,CS (lacrimator),Daucosterol
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Product Details
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Seller Information
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Inquiry History
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DescriptionKeywords
3,3',4,4'-Benzophenonetetracarboxylic dianhydride supplier
3,3',4,4'-Benzophenonetetracarboxylic dianhydride price
3,3',4,4'-Benzophenonetetracarboxylic dianhydride China
Quick DetailsProName:3,3',4,4'-Benzophenonetetracarboxylic dianhydride TOP1 supplier
CasNo:2421-28-5
Molecular Formula:C17H6O7
Appearance:white crystal powder
Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.
DeliveryTime:prompt
PackAge:according to the clients requirement
Port:Shanghai
ProductionCapacity:1 Metric Ton/Day
Purity:98%
Storage:Store in dry, dark and ventilated place.
Transportation:by sea or by air
LimitNum:100 Gram
Grade:Industrial Grade
SuperiorityDayangchem’s R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities of custom synthesis chemicals in lab, plant and industrial scale with more than fifteen years.
DayangChem exported this product to many countries and regions at best price in China. If you are looking for the product’s supplier in China, Dayangchem is your best choice.
Pls contact with us freely for getting detailed product specifications, product tech. date sheet, COA and MSDS, prices, delivery time and payment terms.
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Dayang Chem (Hangzhou) Co. Limited, established in 2000, dedicated to the development, production and marketing of chemicals. We are a leading manufacturer and supplier of chemicals in China.
Manufacturing base: The Company has some Manufacturing base in Zhejiang, Jiangsu and Shandong provide. These bases focus on production and Contract Manufacturing.
Sales agent: Dayangchem are authorized by many Chinese chemical manufacturers as universal agency and international area agency. Dayangchem has established very good cooperation and business relations with hundreds of Chinese qualified manufacturers by long time business intercourse.
Strong quality control system: Strength of our ethical commitment to quality control and quality assurance systems firmly based on ISO standard. QA and QC used in the whole process of raw material control, process control and finished product quality inspection.
Third lab test: Audit directly and tested by third party like SGS or INTERTEK in any time will be accepted under required.
Flexible payment terms: Various payment terms such as L/C,D/P,D/A and T/T will be accepted. Special Notice: DAYANGCHEM never require customers to remit payment to a personal account. Beware of being cheated.
Rich experience in sales: 1000 square meters of office space with independent property rights, Sales team of nearly 40 people. Our customers throughout the world, especially the world-renowned companies, such as BACHEM, BASF, CELANESE, CORDEN,DOW,EVONIK, GENZYME,HENKEL, MERCK,ROCHE,SANOFI,SOLVAY.
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ECHEMI Editorial Referencewhite crystall powderBasic Info-
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:
Manufactory
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Main Products:
N-Diethyl-m-toluamide,6-Methyluracil,Anisole,4-Dimethoxybenzoic acid,CS (lacrimator),Daucosterol
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Location:
RM901-7,Unit 2,259# WenSan Road, Xihu District, Hangzhou Zhejiang, China
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Payment Terms:
TT against copy of documents,D/P,L/C,D/A,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
2 days
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Total Annual Revenue:
$10 million-$25 million
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Total Employees:
11-50
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Year of Establishment:
2020
Company Certificates-
![Dayang Chem (Hangzhou) Co.,LtdDangerous Chemicals Business License]( "Dangerous Chemicals Business License")
Dangerous Chemicals Business License
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![Dayang Chem (Hangzhou) Co.,LtdPesticide Business License]( "Pesticide Business License")
Pesticide Business License
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![Dayang Chem (Hangzhou) Co.,LtdISO 9001:2015]( "ISO 9001:2015")
ISO 9001:2015
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Inquiry History1 Inquiries
Country Product Purchase Quantity Date Posted 
United States
3,3’4,4’-Benzophenonetetracarboxylic dianhydride
5000 KG Nov 22, 2023 Post an enquiry for this product
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