As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis
Cas:552-30-7
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Product Detail Minimum Order Qty. 10 Gram
Cas:552-30-7
Min.Order:10 Gram
Negotiable
Type:Trading Company
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:552-30-7
Min.Order:1 Kilogram
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Type:Manufacturers
inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------
Cas:552-30-7
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryProduct Description Product Name 1,2,4-Benzenetricarboxylic anhydride CAS No. 552-30-7 Appearance White flake solid Assay ≥99% Capacity 5000mt/year Min.pac
Cas:552-30-7
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiry1. Quality Our products meet MSDS safe standard and we have ISO and other certificate so yan can get high quality products from our company. 2. Price We are the company which is the joint of trade and industry so we cao provide the competiti
Cas:552-30-7
Min.Order:1 Metric Ton
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Type:Trading Company
inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
Cas:552-30-7
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
Cas:552-30-7
Min.Order:1
Negotiable
Type:Other
inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:552-30-7
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryChemwill Asia co.,Ltd is one of the leading manufacturer in CHINA. Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Active pharmaceutical ing
Cas:552-30-7
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryAbout Product Technical Details
Cas:552-30-7
Min.Order:1 Kilogram
FOB Price: $1.0 / 3.0
Type:Lab/Research institutions
inquiryProduct Name: 1,2,4-Benzenetricarboxylic anhydride Synonyms: 1,2,4-Benzenetricarboxylic acid anhydride;1,2,4-Benzenetricarboxylic acid anhydride-1,2;1,2,4-Benzenetricarboxylic acid, cyclic 1,2
Cas:552-30-7
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufactu
Cas:552-30-7
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:552-30-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct Name 1,2,4-Benzenetricarboxylic anhydride CAS No. 552-30-7 Appearance White solid Assay ≥99% Appearance:White powder Storage
Cas:552-30-7
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:552-30-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:552-30-7
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:552-30-7
Min.Order:1 Kilogram
FOB Price: $31.7 / 36.4
Type:Trading Company
inquiryTrimellitic Anhydride CAS:552-30-7 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic inter
Cas:552-30-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:552-30-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several
Cas:552-30-7
Min.Order:25 Gram
FOB Price: $90.0 / 100.0
Type:Trading Company
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:552-30-7
Min.Order:1 Kilogram
FOB Price: $10.0 / 100.0
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Cas:552-30-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:552-30-7
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:552-30-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryJ&H CHEM 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. J&H CHEM has some Manufacturing base in Jia
Cas:552-30-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:552-30-7
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry552-30-7 1,2,4-Benzenetricarboxylic anhydride Appearance:White to off-white Flakes Storage:Store below +30°C. Package:according to customers' requirements Application:Used for making polyester resin, polyimide resin, high temperature resistant insula
Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
Cas:552-30-7
Min.Order:0
Negotiable
Type:Trading Company
inquirybenzene-1,2,4-tricarboxylic acid-2-methyl ester
trimellitic Anhydride
Conditions | Yield |
---|---|
at 200℃; |
benzene-1,2,4-tricarboxylic acid-1-methyl ester
trimellitic Anhydride
Conditions | Yield |
---|---|
at 200℃; |
2,5-dimethylterephthalic acid
A
maleic anhydride
B
Pyromellitic dianhydride
C
1,2,4-benzene tricarboxylic acid
D
trimellitic Anhydride
Conditions | Yield |
---|---|
With vanadia at 400℃; Product distribution; effect of temperature on gas-phase oxidation; |
2,4-dimethylisophthalic acid
A
Pyromellitic dianhydride
B
1,2,4-benzene tricarboxylic acid
C
trimellitic Anhydride
Conditions | Yield |
---|---|
With vanadia at 400℃; Product distribution; effect of temperature on gas-phase oxidation of methyl-substituted carboxylic acids and anhydrides; |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 2: sulfuric acid 3: aqueous-methanolic KOH-solution 5: 200 °C View Scheme | |
Multi-step reaction with 5 steps 2: sulfuric acid 3: aqueous-methanolic KOH-solution 5: 200 °C View Scheme | |
Multi-step reaction with 2 steps 1: KMnO4; water; NaOH-solution / man macht schwefelsauer, behandelt mit SO2, saettigt mit Na2SO4 2: 200 - 220 °C / im Vakuum View Scheme | |
With 1,1,2,2-tetrabromoethane; cobalt(II) acetate; manganese(II) acetate; acetic acid at 220℃; under 15001.5 - 17251.7 Torr; Reagent/catalyst; Temperature; Pressure; Inert atmosphere; Large scale; | 1360 g |
1,2-dimethyl 1,2,4-benzenetricarboxylate
trimellitic Anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: 200 °C View Scheme | |
Multi-step reaction with 2 steps 2: 200 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: aqueous-methanolic KOH-solution 3: 200 °C View Scheme | |
Multi-step reaction with 3 steps 1: aqueous-methanolic KOH-solution 3: 200 °C View Scheme |
diethyl 4-aminophthalate
trimellitic Anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: aqueous HCl; aqueous NaNO2 2: aqueous NaOH 3: 180 °C / 0.5 Torr View Scheme |
4-cyano-phthalic acid diethyl ester
trimellitic Anhydride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aqueous NaOH 2: 180 °C / 0.5 Torr View Scheme |
2-amino-5-aminomethyl-4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxylic acid tert-butyl ester
trimellitic Anhydride
2-(2-amino-3-tert-butoxycarbonyl-4,7-dihydro-5H-thieno[2,3-c]pyran-5-ylmethyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 100℃; for 24h; | 100% |
In N,N-dimethyl-formamide at 100℃; for 24h; | 100% |
In N,N-dimethyl-formamide at 100℃; for 24h; | 100% |
4-amino-2,3-dimethyl-1-phenylpyrazolin-5-one
trimellitic Anhydride
2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acid
Conditions | Yield |
---|---|
With dmap In N,N-dimethyl-formamide at 20℃; for 72h; | 100% |
With dmap In N,N-dimethyl-formamide at 110℃; for 12h; | 46% |
Conditions | Yield |
---|---|
In diethylene glycol dimethyl ether at 200℃; for 0.166667h; microwave irradiation; | 99% |
3-(trimethoxysilyl)propan-1-amine
trimellitic Anhydride
C15H21NO8Si
Conditions | Yield |
---|---|
In tetrahydrofuran at -5 - 5℃; for 6h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
In tetrahydrofuran at -5 - 5℃; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 6h; Heating; | 98% |
Conditions | Yield |
---|---|
With trimethylamine In tetrahydrofuran byproducts: (CH3)3NHCl; N2-atmosphere; shaking CrCl3 with trace of CrCl2, refluxing with 2 equiv. of phosphinic acid and 2.5 equiv. NMe3 (1 h), cooling to room temp., addn. of 1 equiv. C9H4O5 and excess NMe3, refluxing (0.5 h); filtration, evapn. to dryness, drying (140°C, several days); elem. anal.; | 98% |
Conditions | Yield |
---|---|
In tetrahydrofuran; toluene at 20℃; for 12 - 15h; | 98% |
Conditions | Yield |
---|---|
With acetic acid at 130℃; for 16h; Condensation; | 97% |
In acetic acid for 20h; Reflux; | 95% |
3,4,5-Trimethoxyaniline
trimellitic Anhydride
Conditions | Yield |
---|---|
With acetic acid at 130℃; for 16h; Condensation; | 97% |
Conditions | Yield |
---|---|
In nitrobenzene at 175 - 180℃; for 3h; | 97% |
Conditions | Yield |
---|---|
Stage #1: 2-(4'-hydroxyphenyl)-2-(4'-aminophenyl)-propane; trimellitic Anhydride In 1-methyl-pyrrolidin-2-one at 20℃; for 6h; Inert atmosphere; Stage #2: In 1-methyl-pyrrolidin-2-one; toluene at 120℃; for 10h; Dean-Stark; | 97% |
trimellitic Anhydride
Conditions | Yield |
---|---|
With 1-methyl-pyrrolidin-2-one at 70 - 180℃; for 9h; Polymerization; | 96% |
bis(4-aminophenyl)diphenylsilane
trimellitic Anhydride
2-(4-((4-(5-carboxy-1,3-dioxoisoindolin-2-yl)phenyl)diphenylsilyl)phenyl)-1,3-dioxoisoindoline-5-carboxylic acid
Conditions | Yield |
---|---|
With acetic acid at 20℃; for 15h; Reflux; | 96% |
trimellitic Anhydride
2-(4-methoxybenzyloxy)-1,3-dioxoisoindoline-5-carboxylic acid
Conditions | Yield |
---|---|
With pyridine at 90℃; for 24h; | 95% |
trimellitic Anhydride
1,4-dihydroxy-phthalazine-6-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: trimellitic Anhydride With hydrazine In isopropyl alcohol for 5h; Heating / reflux; Stage #2: With hydrogenchloride; water In isopropyl alcohol at 20℃; for 1h; | 95% |
2,6-diamino-4-trifluoromethyl-40-phenoxydiphenyl ether
trimellitic Anhydride
2,6-bis(N-trimellitimido)-4-trifluoromethyl-40-phenoxydiphenyl ether
Conditions | Yield |
---|---|
With acetic acid for 15h; Inert atmosphere; Reflux; | 95% |
m-Hydroxyaniline
trimellitic Anhydride
N-(3-hydroxyphenyl)trimellitimide
Conditions | Yield |
---|---|
Stage #1: m-Hydroxyaniline; trimellitic Anhydride In 1-methyl-pyrrolidin-2-one at 20℃; for 6h; Inert atmosphere; Stage #2: In 1-methyl-pyrrolidin-2-one; toluene at 120℃; for 10h; Dean-Stark; | 95% |
Conditions | Yield |
---|---|
Stage #1: 5-amino-1-naphthol; trimellitic Anhydride In 1-methyl-pyrrolidin-2-one at 20℃; for 6h; Inert atmosphere; Stage #2: In 1-methyl-pyrrolidin-2-one; toluene at 120℃; for 10h; Dean-Stark; | 95% |
Conditions | Yield |
---|---|
With 1-methyl-pyrrolidin-2-one at 70 - 180℃; for 9h; Polymerization; | 94% |
O-allylhydroxylamine hydrochloride
trimellitic Anhydride
2-(allyloxy)-1,3-dioxoisoindoline-5-carboxylic acid
Conditions | Yield |
---|---|
With pyridine at 90℃; for 24h; | 94% |
4-amino-phenol
trimellitic Anhydride
2-(4-hydroxyphenyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 4-amino-phenol; trimellitic Anhydride In 1-methyl-pyrrolidin-2-one at 20℃; for 6h; Inert atmosphere; Stage #2: In 1-methyl-pyrrolidin-2-one; toluene at 120℃; for 10h; Dean-Stark; | 93% |
With acetic acid at 130℃; for 16h; Condensation; | 85% |
Conditions | Yield |
---|---|
With methanesulfonic acid In water at 180 - 208℃; for 3h; Reagent/catalyst; Temperature; Inert atmosphere; | 93% |
trimellitic Anhydride
Conditions | Yield |
---|---|
With 1-methyl-pyrrolidin-2-one at 70 - 180℃; for 9h; Polymerization; | 92% |
Conditions | Yield |
---|---|
With acetic acid at 130℃; for 16h; Condensation; | 92% |
With acetic acid In diethyl ether Reflux; |
Conditions | Yield |
---|---|
In acetic acid for 10h; Inert atmosphere; Reflux; | 92% |
trimellitic Anhydride
Conditions | Yield |
---|---|
With acetic acid at 120℃; for 13h; | 92% |
trimellitic Anhydride
Conditions | Yield |
---|---|
With 1-methyl-pyrrolidin-2-one at 70 - 180℃; for 9h; Polymerization; | 91% |
Conditions | Yield |
---|---|
With acetic acid at 130℃; for 16h; Condensation; | 91% |
Conditions | Yield |
---|---|
With acetic acid at 130℃; for 16h; Condensation; | 91% |
With acetic acid In diethyl ether Reflux; |
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