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3,4-Dihydroxy-3-cyclobutene-1,2-dione

BGC Id:920362433212
CAS No:2892-51-5
Synonyms: timtec-bb sbb007891 ; 2-dione ; nsc 624671 ; squaric ; quadratic acid ; diketocyclobutenediol ; squarc acid ; squaricaciddibutylesters ; squaric acid ; dihydroxycyclobutenedione
Molecular Formula:C4H2O4
Molecular Weight:114.06
EINECS:220-761-4
Structural Formula

2025 - The most valued supplier

The following 17 notable providers have been checked and can be recommended.
Chemical-Suppliers
BLD Pharmatech
Smile code: O=C1C(C(O)=C1O)=O MDL Number: MFCD00001334 Purity : 98% Available in stock: 8686 g
Chemical-Suppliers
Leap Chem
Molecular Formula: C4H2O4 Molecular Weight: 114.06

The last intensive check and update was carried out on 2025/07/15.

Identify

Synonyms:
timtec-bb sbb007891 ; 2-dione ; nsc 624671 ; squaric ; quadratic acid ; diketocyclobutenediol ; squarc acid ; squaricaciddibutylesters ; squaric acid ; dihydroxycyclobutenedione
CAS:
2892-51-5
EINECS:
220-761-4
Molecular Formula:
C4H2O4
MDL:
MFCD00001334
SMILES:
CC1=C(C2=C(C=C1)C(=CC(=N2)C)N)C

Properties

Molecular Weight:
114.06 g·mol−1
Melting point:
>300 °C(lit.)
Flash point:
190 °C
download Download Molfile

Suppliers

Senzhuo Industry Co.,Ltd

Senzhuo Industry Co., Ltd. (“Senzhuo”) established in 2009, is a key chemical manufacturer and supplier in China. We are engaged in supply high quality pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. We also customize high value-added chemicals and intermediates for the customer. Senzhuo industy Co.,Ltd factory located in both Zhangqiu industrial zone and Jiangshu industrial zone. Sales office in Jinan city ...
Country: P.R.China   Phone: +86-15165036020   Telefax: +86-88902568

OPQ Chemical Co., Ltd

Company type: Producer
Country: P.R.China
Phone: +86-17615852982
OPQ Chemical is a high tech enterprise,located in China Spring city(Jinan).Mainly engages in the development and production of phenolic and quinones,additive agents, dying stuffs, and pesticide intermediates,and also has been involved in other fine chemicals,cosmetic raw materials etc.And actively practices the business philosophy of "MY heart, let you feel more assured". OPQ has international advanced production technology and equipment, the company's marketing network thro ...

Unilong Industry Co.,Ltd

We supply our chemical product Caprolactam.
Company type: Bulk chemical producer
Country: P.R.China
Phone: +86-15668417750
Telefax: +86-531-55690079

Xiamen Hisunny Chemical Co., Ltd.

Company type: Leading producer
Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop producing and selling high quality intermediates, Fine chemicals and Specialty Chemicals. We could give you: 1.Best quality in your requirement 2.Competitive price in China market 3.mature Technical support 4.Professional logistic support All we want is win-win business. We supply our chemical product 2-Naphthoyl chloride. Send yr. inquiries, you will get it!
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Shandong Lanhai Industry Co.,Ltd.

Company type: Producer
Country: P.R.China
Phone: +86-15953182965
Shandong Lanhai Industry Co., Ltd established in 2015. The headquartered located in the beautiful Spring city Jinan. The company's factory is located in Coal Chemical Industrial Park, Juye County, Heze City Shandong province.Lanhai Industry is a high-tech enterprise in Shandong Province. The company integrates science, industry and trade, specializing in the research, development, production and operation of fluorosilicone products, OLED intermediates and agricultural fertili ...

Xingrui Industry Co., Limited

Xingrui Industry CO., LTD. N-Benzoyl-DL-tyrosil-N',N'-dipropylamide will be also provided by us. is a professional manufacturing enterprise integrating R&D, production and sales. The products involved fine chemicals, pharmaceutical intermediates, dye intermediates, cosmetic raw materials and so on. The company is ranked among the outstanding producers in the fine chemical industry. Xingrui Industry always strive to be the most reliable partner of our customers, and strive to build a customer-trusted, socially respected, world-class fine chemi ...
Company type: Leading producer
Country: P.R.China
Phone: +86-531-88980365
Telefax: +86-531-88980365

Lori Industry Co., Ltd

Company type: Bulk chemical producer
Lori industry Co., Ltd was established in 2002 years. It is a large-scale manufacturer integrating R&D, produce and sales. We provide Lily aldehyde as well. Our products mainly cover fine chemicals, organic intermediates, biological buffers, agricultural fertilizers and other chemicals . Among them, the sales proportion of organic chemicals and agricultural fertilizers is at the forefront of the domestic market. From 2013 to 2022 years, through cooperation with foreign trade companies, customers visitation, ...
Country: P.R.China   Phone: +86-13011713125   Telefax: +86-13011713125

Hangzhou Zhongqi Chem Co., Ltd

Company type: Leading producer
Country: P.R.China
Phone: +86-571-86976032
Telefax: +86-571-86972162
Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Additionally m-Fluorobenzaldehyde is supplied by us. Our advantage : 1.We do not simply provide chemicals , we provide chemical solutions and expertise; 2.We have trained, highly effective team to solve the problem at the first time; 3.Our QMS (quality management system) ensures the product quality strictly; 4.Strong research and deve ...

Hangzhou Lingrui Chemical Co., Ltd.

Established in 2010, located in Hangzhou Qinglan science park, lingruichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. In our R&D centre, we have a staff of skilled and experienced research chemists. We sell 2-Amino-3,5-dibromopyridine as well. This has enabled us to meet the special requirements of our customers and it has enabled us to provide quality products at competitive prices. Lingrui’s credo is committed to your reliable business partne ...
Company type: Producer
Country: P.R.China
Phone: +86-571-88092529
Telefax: +86-571-87334908

Shandong SanYoung Industry Co., Ltd

Shandong SanYoung Industry Co., Ltd is a scientific and technological company specializing in research and development, cooperative production and sales of chemical products. 2-Bromothiophene will be also provided by us. The company's main products include: photoinitiator; light stabilizer; polymer retardant; ultraviolet absorbent; fine chemical products and pharmaceutical intermediates, we can also customize chemicals for our customers. Our company has a large number of customers with good reputation at home and abroad, ...
Country: P.R.China   Phone: +86 155-64526813   Telefax: +86 531-56897532

AK Scientific, Inc.

Company type: Supplier
Country: USA
Phone: +1 (510) 429-8835
Telefax: +1 (510) 429-8836
AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. AK Scientific, Inc. is a seller of Heptyl p-toluenesulfonate. All these products are stocked in multiple, convenient, sizes to fit your specific needs. Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery. AK Scientific products can be searched by Name (or ...

BLD Pharmatech Ltd

Founded in 2014 and headquartered in Shanghai, China, BLD Pharmatech Ltd. with more than 600,000 items, scale up manufacture and custom services is a leading manufacturer and supplier of diversified research chemicals in the industry. BLD Pharmatech Ltd is a seller of 2,3,5,6-Tetrahydroxycyclohexa-2,5-diene-1,4-dione. Our considerable stock of a wide range of laboratory chemicals, from heterocycles, boron acids, amino acids, metal catalysts to chiral compounds, is ready for worldwide shipping. The ISO certifications and DUNS registration are our testimonie ...
Company type: Supplier
Country: P.R.China
Phone: +86-21-61629022
Telefax: +86-21-50201702

Leap Chem Co., Ltd

Company type: Bulk and laboratory supplier
LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner. Our client list includes many major pharmac ...
Country: P.R.China   Phone: +852-30606658  

BIOZOL Diagnostica Vertrieb GmbH

Company type: Supplier of chemical products
Country: Germany
Phone: +49-871-966346-0
Telefax: +49-871-966346-13
Chemos®, a subsidiary of BIOZOL Diagnostica Vertrieb GmbH, is a leading supplier of ready to use solutions for the lab and chemical industry. BIOZOL Diagnostica Vertrieb GmbH also offers Fluocinonide. We are producing reagents and standards for the analytical lab and supplying raw materials for the chemical and pharmaceutical industry. The base of our solutions are a portfolio of ~ 200.000 raw materials where ~ 50.000 are already available for R+D ready to order in our shop. We are supplying and producing lab quantities from tiny qua ...

Haihang Industry Co., Ltd.

Haihang Industry Co., Ltd.,is a leading producer and supplier of chemicals industry in china. By integrating people, technology and potential, we endeavor to make contribution to the betterment of human society. 5-(4-Chlorophenyl)-3-methyl-1,2,4-thiadiazole is also served by Haihang Industry Co., Ltd.. We develop, produce and distribute high quality pharmaceutical chemicals, special chemicals and other fine chemicals.
Country: P.R.China
Phone: +86 13386404752
Telefax: +86-531-85821093

BuGuCh & Partners

Company type: Producer
We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...
Country: Germany  

Anhui Senrise Technology Co., Ltd.

Company type: Leading producer
Country: P.R.China
Phone: +86 13699286009
Telefax: +86 13248271319
Welcome to Senrise Technology, where innovation meets chemistry. Established in 2010 and headquartered in the vibrant city of Shanghai, we take pride in being a leading provider of over 450,000 chemicals under our brand name, 3ASenrise. Since our inception, Senrise has been dedicated to pushing the boundaries of chemical innovation. Over the years, we have honed our expertise in research chemicals, custom synthesis, and scaled-up production, empowering us to deliver tailor ...

Safety Information

Hazard Classes:
8
Risk Codes:
36/37/38-43 (R)
Safety Codes:
26-36-37/39 (S)
WGK Germany:
3
RID / ADR:
3261
RTECS:
GU1800000
Storage temperature:
-20 °C

What other providers are available for CAS 2892-51-5?

In addition to the providers presented here for 3,4-Dihydroxy-3-cyclobutene-1,2-dione with the CAS number 2892-51-5, there are other 42 providers with slightly different product names available for this CAS number.

Simagchem Corporation | Sancai Industry Co.,Ltd. | Lori Industry Co., Ltd | Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) | Hangzhou Zhongqi Chem Co., Ltd | Zehao Industry Co., Ltd. | Dayang Chem (Hangzhou) Co.,Ltd. | Nantong Xindao Biotech Ltd | Capot Chemical Co., Ltd. | Carbone Scientific Co., Ltd. | Leap Chem Co., Ltd | Skyrun Industrial Co., Ltd. +22 additional providers that we know from the past
+3 additional providers that we know from the past
+1 additional providers that we know from the past
+1 additional providers that we know from the past
+2 additional providers that we know from the past




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