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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 15 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: 136 g
Chemical-Suppliers
Leap Chem
Molecular Formula: C4H2O4 Molecular Weight: 114.06

The last intensive check and update was carried out on 2025/11/10.

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

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OPQ Chemical Co., Ltd

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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 ...

Xiamen Hisunny Chemical Co., Ltd.

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. Xiamen Hisunny Chemical Co., Ltd. also offers 2-Naphthoyl chloride. 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. Send yr. inquiries, you will get it!
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Hangzhou Zhongqi Chem Co., Ltd

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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. We sell m-Fluorobenzaldehyde as well. 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 ...
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Lori Industry Co., Ltd

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Lori industry Co., Ltd was established in 2002 years. It is a large-scale manufacturer integrating R&D, produce and sales. 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. We supply our chemical product Lily aldehyde. From 2013 to 2022 years, through cooperation with foreign trade companies, customers visitation, ...

Hangzhou Lingrui Chemical Co., Ltd.

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Shandong SanYoung Industry Co., Ltd

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Xingrui Industry Co., Limited

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AK Scientific, Inc.

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. 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. Additionally Heptyl p-toluenesulfonate is supplied by us. AK Scientific products can be searched by Name (or ...
Company type: Supplier
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BLD Pharmatech Ltd

Company type: Supplier
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Leap Chem Co., Ltd

Company type: Bulk and laboratory supplier
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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 ...

BIOZOL Diagnostica Vertrieb GmbH

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Company type: Supplier of chemical products
Country: Germany
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Haihang Industry Co., Ltd.

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BuGuCh & Partners

Company type: Producer
Country: Germany
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Anhui Senrise Technology Co., Ltd.

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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. | Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) | Hangzhou Zhongqi Chem Co., Ltd | Zehao Industry Co., Ltd. | Lori 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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