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 ch
Cas:7699-41-4
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:7699-41-4
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryOur advantages: 1. High quality and competitive price: 1) Standard: BP/USP/EP/ enterprise standard 2) All purity ≥99% 3) We are manufacturers and can provide high quality products at factory prices. 2. Fast and safe delivery 1) The package c
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Min.Order:1 Kilogram
FOB Price: $5.0 / 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
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Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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Cas:7699-41-4
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
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Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquirySilicic acid CAS:7699-41-4 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 intermediates
Cas:7699-41-4
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:7699-41-4
Min.Order:1 Kilogram
Negotiable
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
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Type:Lab/Research institutions
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Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:7699-41-4
Min.Order:10 Gram
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Type:Lab/Research institutions
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Min.Order:100 Gram
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inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
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Min.Order:1 Kilogram
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Type:Trading Company
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Type:Lab/Research institutions
inquiryShandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
Cas:7699-41-4
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:7699-41-4
Min.Order:1 Metric Ton
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Type:Trading Company
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We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
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Min.Order:1 Kilogram
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 qualified in
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white solid Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary an
Silicic acid (H2SiO3)Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Conditions | Yield |
---|---|
In water |
Conditions | Yield |
---|---|
In water at 40℃; for 1h; pH=5; |
Conditions | Yield |
---|---|
In water at 20℃; for 24h; |
diethyl isopropylidenemalonate
1,14-dibromotetradecane
silicic acid
tetraethyl 3,3,18,18-tetramethyleicosanetetraoate
Conditions | Yield |
---|---|
copper(l) chloride In tetrahydrofuran; petrol ether; benzene | 86% |
Ethyl 3-bromopropionate
2-amino-3,5-dimethoxyacetophenone
silicic acid
2'-(N-2-Carbethoxyethylamino)-3',5'-dimethoxyacetophenone
Conditions | Yield |
---|---|
With sodium acetate; acetic acid In dichloromethane; water; ethyl acetate | 66.3% |
With sodium acetate; acetic acid In chloroform-d1; dichloromethane; water; ethyl acetate |
silicic acid
Conditions | Yield |
---|---|
Stage #1: alumina hydrate; silicic acid In water at 100℃; for 16h; Stage #2: at 725℃; for 4h; |
silicic acid
1-[3-({[tert-butyl(diphenyl)silyl]oxy}methyl)-2,4-dichlorophenyl]-1H-pyrrole-2-carbonitrile
Conditions | Yield |
---|---|
With tert-butylhypochlorite In tetrachloromethane | |
With tert-butylhypochlorite In tetrachloromethane |
silicic acid
Conditions | Yield |
---|---|
With sodium hydroxide; citric acid In tetrahydrofuran; methanol; hexane; ethyl acetate |
5,12-epoxy-1,2,3,4,5,12-hexahydro-2-naphtacenyl methyl ketone
silicic acid
2-acetyl-1,2,3,4-tetrahydro-5,12-naphtacenequinone
Conditions | Yield |
---|---|
With trifluoroacetic acid In diethyl ether; dichloromethane; chloroform |
1-methoxy-6,6-dimethyl-6H-benzo[c]chromen-3-ol
1-(3-hydroxy-1-methoxy-6,6-dimethyl-6H-benzo[c]chromen-4-yl)-ethanone
oxalic acid diethyl ester
silicic acid
ethanolamine salt of 2-carboxy-4-oxo-6,6-dimethyl-11-methoxy-4H,6H-[2]-benzopyrano-[3,4-f]-[1]-benzopyran
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide; sodium; acetic acid In ethanol; water; benzene |
(1,1-dimethyl-butyl)-urea
methyl 4-bromo-3-oxobutanoate
silicic acid
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In methanol; ethyl acetate; benzene | |
With toluene-4-sulfonic acid In methanol; ethyl acetate; benzene |
2,5-dimethylfuran
silicic acid
A
bis (2,5-dimethyl-furan-3-yl)-disulfide
Conditions | Yield |
---|---|
With SCl2; sulphur dichloride; tin(IV) chloride In (2S)-N-methyl-1-phenylpropan-2-amine hydrate; diethyl ether; hexane |
1,1-dimethylethylurea
4-methyl-1,1-dioxo-dihydro-1λ6-thiophen-3-one
silicic acid
1-tert-butyl-3-(4-methyl-4,5-dihydro-3-thienyl)urea S,S-dioxide
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene |
dl-2β-formyl-3α-(dimethyl-t-butylsilyl)oxy-5-oxocyclopentane-1α-heptanoic acid
silicic acid
3α-[(dimethyl-t-butylsilyl)oxy]-2β-(8-bromo-3-oxo-1-octenyl)-5-oxocyclopentane-1α-heptanoic acid
Conditions | Yield |
---|---|
In benzene | |
In benzene |
2,2'-[(3-aminopropyl)imino]bis-ethanol
silicic acid
1-Bromooctadecane
N,N-dioctadecyl-N',N'-bis(2-hydroxyethyl)1,3-propanediamine
Conditions | Yield |
---|---|
With sodium hydroxide; succinic acid; potassium carbonate In dichloromethane; acetone |
4(6-carbomethoxyhexyl)-5-(3-keto-1-trans-octenyl)-thiazole
silicic acid
4-(6-carbomethoxyhexyl)-5-(3-hydroxy-1-trans-octenyl)-thiazole
Conditions | Yield |
---|---|
With sodium borohydrid In n-heptane; water; ethyl acetate; isopropyl alcohol |
2-(7-hydroxyheptyl)-2-cyclopenten-1-one
silicic acid
2-(7-chloroheptyl)-2-cyclopentenone
Conditions | Yield |
---|---|
With triphenylphosphine In tetrachloromethane; dichloromethane; benzene |
Conditions | Yield |
---|---|
In neat (no solvent) mixing, according to: Mizutani T., et al., Clays Clay Miner. 1991, 39, 381, hydrothermal treatment (150°C, 50 h); washing floculent solids (distd. water), stirring (1 M NaCl, overnight),washing (distd. water), dialyzing (Spectra/por 3 membrane); |
Conditions | Yield |
---|---|
In neat (no solvent) mixing, according to: Mizutani T., et al., Clays Clay Miner. 1991, 39, 381, hydrothermal treatment (250°C, 15 h, 500 psi of Ar), according to: Bruce, L. A. et al., Clays Clay Miner 1986, 34, 25; washing floculent solids (distd. water), stirring (1 M NaCl, overnight),washing (distd. water), dialyzing (Spectra/por 3 membrane); |
Conditions | Yield |
---|---|
Stage #1: ferric nitrate With water; ammonium carbonate pH=6; Stage #2: lithium nitrate; silicic acid In water at 300℃; for 5h; Stage #3: silver nitrate With hydrogen more than 3 stages; |
silica gel
lithium carbonate
ferric nitrate
silicic acid
Conditions | Yield |
---|---|
Stage #1: ferric nitrate With water; ammonium carbonate pH=6; Stage #2: lithium carbonate; calcium carbonate In water Stage #3: silica gel; silver nitrate; silicic acid With hydrogen more than 3 stages; |
silica gel
lithium carbonate
ferric nitrate
silicic acid
Conditions | Yield |
---|---|
Stage #1: ferric nitrate With water; ammonium carbonate pH=6; Stage #2: lithium carbonate In water Stage #3: silica gel; silver nitrate; silicic acid With hydrogen more than 3 stages; |
silica gel
lithium carbonate
potassium hydrogencarbonate
ferric nitrate
silicic acid
Conditions | Yield |
---|---|
Stage #1: ferric nitrate With water; ammonium carbonate pH=6; Stage #2: lithium carbonate; potassium hydrogencarbonate In water Stage #3: silica gel; silver nitrate; silicic acid With hydrogen more than 3 stages; |
Conditions | Yield |
---|---|
Stage #1: ferric nitrate With water; ammonium carbonate pH=6; Stage #2: lithium carbonate; silicic acid In water at 300℃; for 5h; Stage #3: silver nitrate With carbon monoxide more than 3 stages; |
lithium carbonate
potassium hydrogencarbonate
ferric nitrate
silicic acid
Conditions | Yield |
---|---|
Stage #1: ferric nitrate With water; ammonium carbonate pH=6; Stage #2: lithium carbonate; potassium hydrogencarbonate; silicic acid In water at 300℃; for 5h; Stage #3: silver nitrate With hydrogen more than 3 stages; |
Conditions | Yield |
---|---|
In acetone Milling; Heating; |
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