Factory Supply Btda CAS 2421-28-5 with Purity 99%
ISO 3 Inquiries
2421-28-5
0%
100g;1kg;25g
2022-12-31
Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate
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Product Description
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Seller Information
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Inquiry History
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Description
Melting point 218-222 °C (lit.) Boiling point 320°C 5mm density 1,57 g/cm3 vapor density 1.4 (vs air) vapor pressure <0.1 mm Hg ( 0 °C) refractive index 1.6380 (estimate) Fp 324 °C storage temp. Inert atmosphere,Room Temperature solubility DMF: 0.1 g/mL, clear form Needles or Crystalline Powder color Off-white to brown 
BTDA is used as an intermediate for the manufacture of plastic products or fine chemicals in the industrial sector
Packing
· 1kg/aluminium foil bag, with two plastic bags inside.
· 25kg/fiber drum, with two plastic bags inside.
Size:ID 42cm*H52cm,0.08m3/drum;
Net Weight:25kgs Gross Weight:28kgs.
Delivery- ≤50kg, Express delivery recommended, usually called as DDU service;
- ≤500kg,Air shipping recommended, usually called as CIF service;
- >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;
- For high value products, please select air shipping and express delivery for safety.
SHANDONG LOOK CHEMICAL CO.LTD, a new chemical enterprise in researching, manufacturing and supplying of chemicals located in beautiful "Spring City"-Jinan.Our company mainly working on the researching new-born APIs, intermediate ( especially Carbohydrate derivatives series). Meanwhile, we made huge breakthrough in industries of food, feed additives, cosmetics ,dye and industrial chemicals. Our company enjoyed great reputation both domestic and abroad under the belief of "Integrity management,Quality controlling and Customer orientation".
We had been cooperated with NingXia University and Shandong University on more than ten projects for years and which had been in mass production on the market. We now have more than 80 people in our team and built research center in Jinan and Ningxia. Our manufacturing site allocated in chemical industry parks of Zhangqiu, Heze, Dezhou and Ningxia Fine Chemical Park. We strictly complying with ISO9001 and ISO 2000 standard in manufacturing process, our lab and workshop tightly in accordance with GMP standard.Our products best selling in Europe, South and North America,Asia pacific area and Africa. We sincerely welcome new and regular customers around the world visit us for business negotiation.
FAQ- DO YOU ACCEPT SAMPLE ORDER?
We accept sample orders. We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
2.HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?
You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
3.WHAT'S YOUR MOQ?
Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
4.DO YOU SUPPLY PRODUCT REPORT?
Yes. We'll give you product analysis report before shipping.
5.IS THERE A DISCOUNT?
Different quantity has different discount.
Our Advantage
10 Years Experience
Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term.
Quality service
Company cooperates with research institutes. We strictly control the process of raw materials up to finished product.
24 hour serviceQuick and clear response to customers questions. Warm after sale service, we will help to solve the problems in your usage.
High quality
Dedicated to serving customers first, we provide reasonable prices, high quality products.CertificatesBasic 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:
Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate
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Location:
hisense intelligence valley,no 2116,of phoenix road
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Payment Terms:
TT against copy of documents,D/P,L/C
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Average lead Time:
7
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Total Annual Revenue:
Less than $1 million
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Total Employees:
11-50
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Year of Establishment:
2017
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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
