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TETRAMETHYL-1,3-CYCLOBUTANEDIONE

CAS No.
933-52-8
Chemical Name:
TETRAMETHYL-1,3-CYCLOBUTANEDIONE
Synonyms
NSC 72172;NSC 46472;Dimethylkene dimer;RARECHEM AQ C4 0041;TIMTEC-BB SBB008408;DIMETHYL KETENE DIMER;Tetramethylcyclobuta-1,3-dione;[Precursor to DiMethyl Ketene];TETRAMETHYLCYCLOBUTANE-1,3-DIONE;TETRAMETHYL-1,3-CYCLOBUTANEDIONE
CBNumber:
CB1177783
Molecular Formula:
C8H12O2
Molecular Weight:
140.18
MDL Number:
MFCD00001331
MOL File:
933-52-8.mol
MSDS File:
SDS
Last updated:2023-04-23 13:52:06

TETRAMETHYL-1,3-CYCLOBUTANEDIONE Properties

Melting point 114-116 °C(lit.)
Boiling point 95-159 °C750 mm Hg(lit.)
Density 1.0373 (rough estimate)
refractive index 1.4580 (estimate)
Flash point 120-122°C/150mm
storage temp. Sealed in dry,Room Temperature
solubility It is soluble in chloroform.
form powder to crystal
color White to Almost white
InChIKey RGCDVHNITQEYPO-UHFFFAOYSA-N
CAS DataBase Reference 933-52-8(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII RT4AQ22KS4
EPA Substance Registry System 1,3-Cyclobutanedione, 2,2,4,4-tetramethyl- (933-52-8)

SAFETY

Risk and Safety Statements

Safety Statements  24/25
WGK Germany  3
RTECS  GU1775000
TSCA  Yes
HS Code  2914290090
NFPA 704
1
0 0

TETRAMETHYL-1,3-CYCLOBUTANEDIONE price More Price(29)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich T21008 Tetramethyl-1,3-cyclobutanedione 99% 933-52-8 5g $29.04 2024-03-01 Buy
TCI Chemical D0258 Tetramethyl-1,3-cyclobutanedione [Precursor to Dimethyl Ketene] >99.0%(GC) 933-52-8 5g $47 2024-03-01 Buy
TCI Chemical D0258 Tetramethyl-1,3-cyclobutanedione [Precursor to Dimethyl Ketene] >99.0%(GC) 933-52-8 25g $144 2024-03-01 Buy
Alfa Aesar A16297 Tetramethylcyclobutane-1,3-dione 99% 933-52-8 10g $41.65 2024-03-01 Buy
Alfa Aesar A16297 Tetramethylcyclobutane-1,3-dione 99% 933-52-8 50g $137.65 2024-03-01 Buy
Product number Packaging Price Buy
T21008 5g $29.04 Buy
D0258 5g $47 Buy
D0258 25g $144 Buy
A16297 10g $41.65 Buy
A16297 50g $137.65 Buy

TETRAMETHYL-1,3-CYCLOBUTANEDIONE Chemical Properties,Uses,Production

Chemical Properties

white crystalline powder

Uses

Tetramethyl-1,3-cyclobutanedione is used as a chemical for life science research. It is also used to make other chemical, as well as an chemical and organic intermediate.

Synthesis Reference(s)

Canadian Journal of Chemistry, 50, p. 3923, 1972 DOI: 10.1139/v72-619

Purification Methods

Crystallise the dione from *C6H6 and dry it in vacuo over P2O5 in an Abderhalden pistol. [Beilstein 7 III 3234, 7 IV 2004.]

TETRAMETHYL-1,3-CYCLOBUTANEDIONE Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 141)Suppliers
Supplier Tel Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
571-85586718 +8613336195806 sales@capotchem.com China 29797 60
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21691 55
Zhejiang ZETian Fine Chemicals Co. LTD
18957127338 stella@zetchem.com China 2141 58
Accela ChemBio Inc.
(+1)-858-699-3322 info@accelachem.com United States 19965 58
Shandong chuangyingchemical Co., Ltd.
18853181302 sale@chuangyingchem.com CHINA 5909 58
Chongqing Chemdad Co., Ltd
+86-023-61398051 +8613650506873 sales@chemdad.com China 39916 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 47465 58
career henan chemical co
+86-0371-86658258 15093356674; factory@coreychem.com China 29826 58
Fuxin Pharmaceutical
+86-021-021-50872116 +8613122107989 contact@fuxinpharm.com China 10297 58
SHANGHAI T&W PHARMACEUTICAL CO., LTD.
+86-021-61551413 +8618813727289 contact@trustwe.com China 5738 58

View Lastest Price from TETRAMETHYL-1,3-CYCLOBUTANEDIONE manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
TETRAMETHYL-1,3-CYCLOBUTANEDIONE pictures 2021-08-12 TETRAMETHYL-1,3-CYCLOBUTANEDIONE
933-52-8
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
TETRAMETHYL-1,3-CYCLOBUTANEDIONE pictures 2020-01-09 TETRAMETHYL-1,3-CYCLOBUTANEDIONE
933-52-8
US $1.00 / KG 1KG 99% 100KG Career Henan Chemical Co
TETRAMETHYL-1,3-CYCLOBUTANEDIONE TETRAMETHYLCYCLOBUTANE-1,3-DIONE TIMTEC-BB SBB008408 RARECHEM AQ C4 0041 2,2,4,4-TETRAMETHYL-1,3-CYCLOBUTANEDIONE DIMETHYL KETENE DIMER 1,1,3,3-Tetramethylcyclobutanedione 2,2,4,4-Tetramethyl cyclobutane-1,3-dione 2,2,4,4-tetramethyl-3-cyclobutanedione 2,2,4,4-Tetramethylcyclobutanedione Tetramethylcyclobuta-1,3-dione Tetramethyl-1,3-cyclobutanedione, GC 99% 1,3-Cyclobutanedione, 2,2,4,4-tetramethyl- Tetramethyl-1,3-cyclobutanedione [Precursor to Dimethyl Ketene] Dimethylkene dimer Tetramethyl-1,3-cyclobutanedione,99% Tetramethyl-1,3-cyclobutanedione 99% NSC 72172 NSC 46472 [Precursor to DiMethyl Ketene] TetraMethyl-1,3-cyclobutanedione  TETRAMETHYL-1,3-CYCLOBUTANEDIONE, 99%TETRAMETHYL-1,3-CYCLOBUTANEDIONE, 99%TETRAMETHYL-1,3-CYCLOBUTANEDIONE, 99%TETRAMETHYL-1,3-CYCLOBUTANEDIONE, 99% Tetramethyl-1,3-cyclobutanedione [Precursor to Dimethyl Ketene]> 933-52-8 933-53-8 CH34C4O2 Simple 4-Membered Ring Compounds Cyclobutanes & Cyclobutenes Building Blocks C7 to C8 Carbonyl Compounds Organic Building Blocks Ketones Building Blocks C7 to C8 Carbonyl Compounds Chemical Synthesis Organic Building Blocks Organics Cyclobutanes & Cyclobutenes Simple 4-Membered Ring Compounds C7 to C8 Carbonyl Compounds Ketones