Dayangchem'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
Cas:901-44-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:901-44-0
Min.Order:1
Negotiable
Type:Other
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:901-44-0
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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 manufacturin
Cas:901-44-0
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:901-44-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:901-44-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:901-44-0
Min.Order:1 Kilogram
FOB Price: $6.0 / 10.0
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:901-44-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
Cas:901-44-0
Min.Order:1 Kilogram
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:901-44-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHigh Quality Best price Fast Delivery Good Service Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; developm
Cas:901-44-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Cas:901-44-0
Min.Order:0
Negotiable
Type:Other
inquiryC19H24O4 901-44-0 4,4'-ISOPROPYLIDENEBIS(2-PHENOXYETHANOL)Appearance:detailed in specifcations Storage:cool place Package:as needed Application:API ,OLED .AND SO ON Transportation:BY air or sea
Cas:901-44-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary a
Bisphenol A bis(2-hydroxyethyl)ether cas 901-44-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:901-44-0
Min.Order:0
Negotiable
Type:Other
inquiryBest quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Cas:901-44-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:901-44-0
Min.Order:0
Negotiable
Type:Trading Company
inquiry1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:901-44-0
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryOur Services 1.Certificate Of Analysis (COA) 2.Material Safety Data Sheet (MSDS) 3.Route of synthesis (ROS) 4.Method of Aanlysis (MOA) 5.Nuclear Magnetic Resonance (NMR) 6.Packing pictures and loading video before loading 7.Free Sampl
Cas:901-44-0
Min.Order:1 Gram
Negotiable
Type:Trading Company
inquiryPhysicalandChemicalProperty: ProductNo.E-723 ProductAppearance:white, solid Storage:room temperature at 20±5℃ is proposed. Package:5 or 55 gallon unreturned steel drum Application:PU chain extender, intermediates, additi
Cas:901-44-0
Min.Order:25 Kilogram
Negotiable
Type:Trading Company
inquirySINOPOL BA3; Intermediate For Modifying Epoxy Resin And For Preparing Photoresistants Appearance:liquid Storage:Two years, Store away from heat. Store in a cool, dry and well-ventilated area. Package:200 kg/drum Application:Intermediate For Modifyi
Cas:901-44-0
Min.Order:2 Metric Ton
Negotiable
Type:Trading Company
inquiryConditions | Yield |
---|---|
at 150℃; for 8h; Inert atmosphere; | 99% |
With potassium carbonate In N,N-dimethyl-formamide at 145℃; for 3h; | 65% |
With tetraethylammonium iodide | |
With triethylamine at 105℃; for 24h; |
oxirane
BPA
A
4-(2-(4-(2-hydroxyethoxy)phenyl)propan-2-yl)phenol
B
dyanol 22
Conditions | Yield |
---|---|
triethylamine In acetone at 130℃; for 0.416667h; Thermodynamic data; Kinetics; Product distribution; other time, other temperature, activation energy; | A 97% B n/a |
Conditions | Yield |
---|---|
triethylamine In acetone at 130℃; for 0.416667h; | 97% |
Conditions | Yield |
---|---|
Stage #1: BPA; ethylene glycol; sodium carbonate at 100℃; Stage #2: With urea; zinc(II) oxide at 175℃; for 2h; Product distribution / selectivity; | 88% |
With sodium carbonate; urea; zinc(II) oxide at 170 - 190℃; | 83% |
oxirane
BPA
A
BPA-3EO
B
4-(2-(4-(2-hydroxyethoxy)phenyl)propan-2-yl)phenol
C
dyanol 22
Conditions | Yield |
---|---|
anion exchange resin A (Cl-type) In methanol at 100℃; for 9h; | A 1 %Chromat. B 0.1 %Chromat. C 70% |
anion exchange resin A (Cl-type) at 100℃; for 9h; | A 2.6 %Chromat. B 0.3 %Chromat. C 97.1 %Chromat. |
Conditions | Yield |
---|---|
With sodium hydroxide at 0 - 20℃; for 45h; Addition; | 65% |
With sodium hydroxide; ethanol | |
With sodium hydroxide; ethanol |
Conditions | Yield |
---|---|
With potassium iodide |
BPA
4-(2-(4-(2-hydroxyethoxy)phenyl)propan-2-yl)phenol
ethylene glycol
dyanol 22
Conditions | Yield |
---|---|
With urea; zinc(II) oxide at 180℃; for 2h; Product distribution / selectivity; |
ethylene glycol
A
BPA
B
4-(2-(4-(2-hydroxyethoxy)phenyl)propan-2-yl)phenol
C
dyanol 22
Conditions | Yield |
---|---|
sodium carbonate at 180℃; for 0.333333h; Product distribution / selectivity; |
Conditions | Yield |
---|---|
In melt at 150 - 180℃; for 10h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
In melt at 150 - 200℃; for 24h; Inert atmosphere; | 99% |
3-mercaptobutyric acid
dyanol 22
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene at 140℃; for 4h; | 98.9% |
Conditions | Yield |
---|---|
In melt at 160 - 1680℃; for 21h; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
In melt at 160 - 180℃; for 20h; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
In melt at 160 - 200℃; for 28h; Inert atmosphere; | 97% |
Conditions | Yield |
---|---|
Stage #1: dyanol 22 With sodium hydride In ethanol; N,N-dimethyl-formamide at -10 - 0℃; for 1.5h; Williamson Ether Synthesis; Inert atmosphere; Stage #2: propargyl bromide In ethanol; N,N-dimethyl-formamide at 0 - 20℃; for 2.5h; Williamson Ether Synthesis; Inert atmosphere; | 87% |
Conditions | Yield |
---|---|
Stage #1: dyanol 22 With sodium hydride In hexane; N,N-dimethyl-formamide at 0℃; for 1h; Inert atmosphere; Stage #2: 1,1'-(2-nitroethene-1,1-diyl)dibenzene In hexane; N,N-dimethyl-formamide at 0 - 20℃; for 4h; | 42% |
Conditions | Yield |
---|---|
With benzenesulfonic acid; benzene unter Entfernen des entstehenden Wassers; |
Conditions | Yield |
---|---|
Heating; |
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran at 0 - 5℃; for 3h; Tosylation; |
dyanol 22
Conditions | Yield |
---|---|
Heating; |
dyanol 22
Conditions | Yield |
---|---|
Heating; |
dyanol 22
Conditions | Yield |
---|---|
Heating; |
dyanol 22
Conditions | Yield |
---|---|
Heating; |
dyanol 22
Conditions | Yield |
---|---|
Heating; |
dyanol 22
poly(butylene terephthalate-co-2,2-bis[4-(2-hydroxyethoxy)phenyl]propane), butylene terephthalate content 96 mol %, prepared by solid state polymerization
Conditions | Yield |
---|---|
at 180℃; for 9h; |
dyanol 22
poly(butylene terephthalate-co-2,2-bis[4-(2-hydroxyethoxy)phenyl]propane), butylene terephthalate content 90 mol %, prepared by solid state polymerization
Conditions | Yield |
---|---|
at 180℃; for 9h; |
dyanol 22
poly(butylene terephthalate-co-2,2-bis[4-(2-hydroxyethoxy)phenyl]propane), butylene terephthalate content 84 mol %, prepared by solid state polymerization
Conditions | Yield |
---|---|
at 180℃; for 9h; |
dyanol 22
poly(butylene terephthalate-co-2,2-bis[4-(2-hydroxyethoxy)phenyl]propane), butylene terephthalate content 76 mol %, prepared by solid state polymerization
Conditions | Yield |
---|---|
at 180℃; for 9h; |
dyanol 22
poly(butylene terephthalate-co-2,2-bis[4-(2-hydroxyethoxy)phenyl]propane), butylene terephthalate content 69 mol %, prepared by solid state polymerization
Conditions | Yield |
---|---|
at 180℃; for 9h; |
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