TETRAMETHYL-1,3-CYCLOBUTANEDIONE(933-52-8)
- Name: TETRAMETHYL-1,3-CYCLOBUTANEDIONE
- Synonyms:1,3-Cyclobutanedione,tetramethyl- (6CI); 2,2,4,4-Tetramethyl-1,3-cyclobutanedione;2,2,4,4-Tetramethylcyclobutanedione; NSC 46472; NSC 72172;Tetramethyl-1,3-cyclobutanedione; Tetramethylcyclobuta-1,3-dione
- Molecular Formula:C8H12 O2
- Molecular Weight:140.182
- CAS Registry Number:933-52-8
- EINECS:
- Melting Point:114-116 °C(lit.)
- Water Solubility:
CAS No.933-52-8 1,3-Cyclobutanedione,2,2,4,4-tetramethyl-
Assay:90%,98% Appearance:detailed see specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place. Transportation:by air or by sea Application:Used in Synthesis, Pharmaceuticals and other fields
Min. Order:1Kilogram
Supplier:Dayang Chem (Hangzhou) Co.,Ltd. [
China (Mainland)] 
Assessed
SupplierTel:+86-571-88938639
Address:9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China
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CAS No.933-52-8 High quality 2,2,4,4-Tetramethyl-1,3-cyclobutandion wit high purity
Assay:99% Appearance:white-off solid or colorless liquid ( referto COA) Package:25kgs/fiber drum or 200kgs/UN drum Storage:in a cool and dry place Transportation:by sea or by air Application:organic intermediates
Min. Order:1Kilogram
Supplier:Simagchem Corporation [
China (Mainland)] 
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SupplierTel:+86-592-2680277
Address:21/F Hualong Office Building,No.6 Hubin East Road, Xiamen,China
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CAS No.933-52-8 TETRAMETHYL-1,3-CYCLOBUTANEDIONE
Assay:99.0% Appearance:white crystalline powder Package:IN 25kg drums Storage:room tempurature Transportation:accordingly Application:Organic Chemicals
Min. Order:1Metric Ton
Supplier:HENAN NEW BLUE CHEMICAL CO.,LTD [
China (Mainland)] 
Assessed
SupplierTel:86-371-55170693/55170694
Address:Zhengzhou International Trade New Territory,Jinshui District,Zhengzhou ,China
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CAS No.933-52-8 tetramethylcyclobutane-1,3-dione
Assay:99%min. Appearance:white powder Package:1kg/Export worthy packing; 25kg/drum Storage:In well-closed container, protected from light and in cool & dry place. Transportation:By Air, By Sea, By courier (door to door, DHL/FedEx/UPS) Application:R&D and production for pharmaceuticals and chemicals
Min. Order:1Gram
Supplier:LIDE PHARMACEUTICALS LIMITED [
China (Mainland)] 
Assessed
SupplierTel:+86-25-58409506
Address:11F, Building A1, No.288 North Zhongshan Road, Gulou District, Nanjing,210003, P.R.China.
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CAS No.933-52-8 TETRAMETHYL-1,3-CYCLOBUTANEDIONE
Assay:98% Appearance:solid Package:according to the need of packing Storage:dry Transportation:air锛宑ourier and sea Application:intermeiate
Min. Order:1Metric Ton
Supplier:Shanghai Minstar Chemical Co., Ltd [
China (Mainland)] Assessed
SupplierTel:86-21-18019205509
Address:BUILDING 8, NO.1098, CHUANSHA ROAD, SHANGHAI, CHINA
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CAS No.933-52-8 TETRAMETHYL-1,3-CYCLOBUTANEDIONE
Assay:99% Package:According to customer requirements Transportation:By Sea/Air/Courier Application:medicine
Min. Order:10Gram
Supplier:Zibo Hangyu Biotechnology Development Co., Ltd [
China (Mainland)] 
Assessed
SupplierTel:86-15965530500
Address:Room1701, Tianxing Building,Licheng district, jinan, Shandong, China
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CAS No.933-52-8 TETRAMETHYL-1,3-CYCLOBUTANEDIONE
Assay:99.0% Appearance:Detailed see specifications Package:According to client's requirements Storage:keep sealed and keep from direct light Transportation:by sea/by air/by courier Application:Its an important raw material and intermediate used in organic synthesis,pharmaceuticals
Min. Order:1Kilogram
Supplier:Hangzhou ZeErRui Chemical Co., Ltd. [
China (Mainland)] 
Assessed
SupplierTel:+86-571-82512721
Address:No 317,Jingling Road,Guali Town,Xiaoshan District
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CAS No.933-52-8 TETRAMETHYL-1,3-CYCLOBUTANEDIONE
Assay:>99% Appearance:White Powder Package:5mg/vial, 10 vials per box Storage:Sealed in dry,Room Temperature Transportation:EMS,DHL,?TNT,?UPS?,FEDEX,?BY?AIR,?BY?SEADHL?Express,?FedEx?and?EMS?for?quantity?less?than?50KG,?usually?called?as?DDU?service;?Sea?shipping?for?quantity?over?500KG;?And?air?shipping?is?available Application:- As a solvent: tetramethylcyclobutane 1, 3-dione has good solubility and can be used as a solvent for coatings, resins and various chemical reactions. - As a curing agent: In some coatings, tetramet
Min. Order:1Kilogram
Supplier:Hebei Nengqian Chemical Import and Export Co., LTD [
China (Mainland)] 
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SupplierTel:+86 13910575315
Address:Congtai District, La Defense North
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CAS No.933-52-8 1,3-Cyclobutanedione,2,2,4,4-tetramethyl-
Assay:99% Appearance:powder Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Storage:Stored in cool, dry and ventilation place; Away from fire and heat Transportation:as per your request Application:Used to make other chemicals.
Min. Order:1Kilogram
Supplier:HANGZHOU YUNUO CHEMICAL CO.,LTD [
China (Mainland)] Assessed
SupplierTel:0571-83715115
Address:hangzhou
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CAS No.933-52-8 Tetramethylcyclobutane-1,3-dione
Assay:99.90% Appearance:solid or liquid Package:drum and bag Storage:in sealed air resistant place Transportation:by sea or air Application:for pharma use
Min. Order:0
Supplier:Kono Chem Co.,Ltd [
China (Mainland)] 
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SupplierTel:86-29-86107037-8015
Address:No.11 Daqing Road,Lianhu District,Xi鈥檃n 710082,China
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CAS No.933-52-8 TetraMethyl-1,3-cyclobutanedione [Precursor to DiMethyl Ketene]
Assay:0.98 Appearance:Off white to slight yellow solid Package:1L 5L 10L 25L bottle Storage:Stored in shaded, cool and dry places Transportation:Handle with cares to avoid damaging the packages. Protect them from sunshine or rain. We can send by Fedex, by ship or by plane according to international rules. Application:pharma intermediate
Min. Order:0
Supplier:Antimex Chemical Limied [
China (Mainland)] Assessed
SupplierTel:0086-21-50563169
Address:Room1027,No.Jinyu Road,Pudong
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CAS No.933-52-8 Tetramethyl-1,3-Cyclobutanedione [Precursor To Dimethyl Ketene]
Assay:99% Appearance:White powder Package:200/Kilograms Storage:Sealed and preserved Transportation:By sea Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents
Min. Order:0
Supplier:GIHI CHEMICALS CO.,LIMITED [
China (Mainland)] Assessed
SupplierTel:+86-571-86217390
Address:No.567 Dengcai Street,Sandun,Westlake District,Hangzhou310030,Zhejiang,China.
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CAS No.933-52-8 tetramethylcyclobutane-1,3-dione
Assay:99% Package:25kg/Barrel Storage:ln stock Transportation:Express/Sea/Air Application:Chemicals
Min. Order:0
Supplier:Hangzhou Sartort Biopharma Co., Ltd [
China (Mainland)] 
Assessed
SupplierTel:86-571-87039693
Address:No. 57, Tech Park Road, Hangzhou, Zhejiang, China
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CAS No.933-52-8 1,3-Cyclobutanedione, 2,2,4,4-tetramethyl-
Assay:98% Application:intermediate
Min. Order:0
Supplier:SAGECHEM LIMITED [
China (Mainland)] Assessed
SupplierTel:+86-571-86818502
Address:Room C1301, New Youth Plaza, 8 Jia Shan Road, Hangzhou, China
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CAS No.933-52-8 Tetramethylcyclobutane-1,3-dione
Assay:99.90% Appearance:Flash black powder Storage:Protect from light and keep dry Application:Pharmaceutical intermediates
Min. Order:0
Supplier:ORCHID CHEMICAL SUPPLIES LTD [
China (Mainland)] Assessed
SupplierTel:+86-571-85395792
Address:607, North Zhongshan Road, Hangzhou 310000 China
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CAS No.933-52-8 TETRAMETHYL-1,3-CYCLOBUTANEDIONE
Assay:99% Application:Medical research field
Min. Order:0
Supplier:Qingdao Beluga Import and Export Co., LTD [
China (Mainland)] Assessed
SupplierTel:+8613854236000
Address:qingdao
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CAS No.933-52-8 1,3-Cyclobutanedione,2,2,4,4-tetramethyl-
Assay:98%min Appearance:Off-white to light yellow powder Package:According to the clients requirement. Storage:Keep in cool place. Application:Pharmaceutical intermediates
Min. Order:0
Supplier:Hangzhou J&H Chemical Co., Ltd. [
China (Mainland)] 
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SupplierTel:+86-571-87396432
Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China
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CAS No.933-52-8 TETRAMETHYL-1,3-CYCLOBUTANEDIONE
Assay:99 Appearance:powder, or liquid Package:Bottle, barrel, cargo, container, etc. Storage:Stored in room temperature, ventilated place Transportation:By air, ship, express, etc. Application:Pharmaceuticals, intermediates, APIs, custom synthesis, chemicals
Min. Order:0
Supplier:LEAP CHEM Co., Ltd. [
China (Mainland)] 
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SupplierTel:+852-30606658
Address:EASEY COMM BLDG 253-261 HENNESSY ROAD Hong Kong, China
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CAS No.933-52-8 1,3-Cyclobutanedione,2,2,4,4-tetramethyl- cas 933-52-8
Assay:99%min Appearance:white crystalline powder Package:25KG drum Storage:Store in dry, dark and ventilated place Transportation:by air, by sea, by express Application:intermediate
Min. Order:0
Supplier:Hangzhou Fandachem Co.,Ltd [
China (Mainland)] Premium
SupplierTel:+86-571-28800458
Address:Room 5010, No.9 YanAn Road,Hangzhou,Zhejiang,China
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CAS No.933-52-8 Pharmaceutical Grade CAS 933-52-8 with competitive price
Assay:99% Appearance:White powder Package: [Packaging]20mg, 50mg,100mg,1g,10g,100g,according to customers' requirements Storage: should be stored in a well-closed container at low temperature, keep away from moisture, heat and light. Transportation:1. Samples 1kg-10kg are shipped by international express. 2. 50kg-100kg of goods are transported by dedicated line logistics. 3. Cargo 100kg-1ton is transported by dedicated line logistics. Application:Chemical raw materials, pharmaceutical intermediates, cosmetic raw materials, etc.
Min. Order:1Kilogram
Supplier:Zhuozhou Wenxi import and Export Co., Ltd [
China (Mainland)] 
Premium
SupplierTel:+86-13111626072
Address:Room 1710, Baoxin International Phase I, 19 Guanyun East Road, Zhuozhou, Hebei
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CAS No.933-52-8 2,2,4,4-Tetramethyl-1,3-cyclobutanedione
Assay:99% Haccp,,Halal,SC US FDA GMP ISO14001 Appearance:As per Certificate of analysis and our TDS, MSDS Package:Export standard and according to the clients requirement Storage:Store in dry, dark and ventilated place;ISO / Kosher /GMP licence commercial bulk capacity factory in China Transportation:By AIR or by SEA GMP licence / US-FDA,South Korea-KFDA Application:It is an important raw material and intermediate for chemical industry.
Min. Order:5Kiloliter
Supplier:Chemwill Asia Co., Ltd. [
China (Mainland)] 
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SupplierTel:021-51086038
Address:High-Tech Industrial park,Chemical Economical Development Zone,Xuzhou, Jiangsu-Province, P.R.China
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CAS No.933-52-8 tetramethylcyclobutane-1,3-dione
Assay:97% Appearance:Powder or liquid Package:According to customer Storage:Store in a tightly closed container, in a cool and dry place. Transportation:Fedex,DHL,TNT,BY SEA and BY AIR Application:Medicinal Chemistry Biomedicine Pharmaceutical intermediates Chemistry experiment Biological experiments Chemical reagent For R&D use only.
Min. Order:10Milligram
Supplier:Amadis Chemical Co., Ltd. [
China (Mainland)] Premium
SupplierTel:86-571-89925085
Address:Watts Cosine.No.166.Xiangmao Road.
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CAS No.933-52-8 tetramethylcyclobutane-1,3-dione
Assay:99.3% Appearance:white or Almost colorless Package:2.5kg or 5kg Transportation:Air freight, sea freight, and express delivery Application:Pharmaceutical intermediate
Min. Order:4Kilogram
Supplier:SHANGHAI T&W PHARMACEUTICAL CO., LTD. [
China (Mainland)] Premium
SupplierTel:+86-21-61551611
Address:601, No. 1, 2277 Nong, Zu Chongzhi Road, Zhangjiang Hightech. Park, Pudong
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CAS No.933-52-8 Factory Supply tetramethylcyclobutane-1,3-dione
Assay:99% Appearance:powder or granule ( refer to COA) Package:25kgs/fiber drum Storage:Keep in a cool & dry place Transportation:by sea or by air Application:Librium, Valium
Min. Order:0Metric Ton
Supplier:Ality Chemical Corporation [
China (Mainland)] Premium
SupplierTel:86-(0)592-8883942
Address:Fine chemical industry park, Nantong,Jiangsu
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CAS No.933-52-8 2,2,4,4-Tetramethyl-1,3-cyclobutandion
Assay:98% Appearance:solid or liquid Package:According to customer鈥榮 requirement Storage:Keep in a cool & dry place Application:Fine Intermediate
Min. Order:0
Supplier:Xiamen AmoyChem Co.,Ltd [
China (Mainland)] Premium
SupplierTel:+86 592 605 1114
Address:Factory 2/F, NO. 206 Weili Road
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CAS No.933-52-8 Dimethyl Ketene Dimer
Assay:97% Appearance:white powder Package:according to the clients requirement Storage:Room temperature with sealed well Transportation:by sea or by air Application:Use as primary and secondary intermediate
Min. Order:0
Supplier:BOC Sciences [
United States] Premium
SupplierTel:1-631-485-4226
Address:Ramsey Road
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CAS No.933-52-8 Tetramethyl-1,3-cyclobutanedione 933-52-8
Assay:98% Appearance:solid or liquid Package:Foil bag; Drum; Plastic bottle Storage:in sealed air resistant place Transportation:by sea or air Application:Pharma;Industry;Agricultural
Min. Order:0
Supplier:Hunan Russell Chemicals Technology Co.,Ltd [
China (Mainland)] Premium
SupplierTel:0086-182-2994-0868
Address:Buiding4,Lugu Enterprise Plaza, Yuelu Distric
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CAS No.933-52-8 TETRAMETHYL-1,3-CYCLOBUTANEDIONE
Assay:99% Application:It is an important raw material.
Min. Order:0
Supplier:Shandong Mopai Biotechnology Co., LTD [
China (Mainland)] 
Premium
SupplierTel:+86-15965530500
Address:shandong
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CAS No.933-52-8 TetraMethyl-1,3-cyclobutanedione [Precursor to DiMethyl Ketene]
Assay:98% Package:According to the demand of customer Storage:Sealed, dry, microtherm , avoid light and smell. Transportation:by air or by sea Application:Organic synthesis
Min. Order:0
Supplier:Henan Allgreen Chemical Co.,Ltd [
China (Mainland)] Premium
SupplierTel:+86-0371-87507775
Address:No 260 Dongming Road,Jinshui District
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