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Squaric acid

BGC Id:150216608138
CAS No:2892-51-5
Synonyms:diketocyclobutenediol ; squaric ; nsc 624671 ; squaric acid ; squaricaciddibutylesters ; quadratic acid ; squarc acid ; timtec-bb sbb007891 ; dihydroxycyclobutenedione ; 2-dione
Molecular Formula:C4H2O4
Molecular Weight:114.06
EINECS:220-761-4
Structural Formula

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The following 12 notable providers have been checked and can be recommended.
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Molecular Formula: C4H2O4 Molecular Weight: 114.06 Hazard Symbols: Xi UN Number: 3261 WGKGermany: 3 PackingGroup: II HS Code: 29144090

The last intensive check and update was carried out on 2025/09/17.

Identify

Synonyms:
diketocyclobutenediol ; squaric ; nsc 624671 ; squaric acid ; squaricaciddibutylesters ; quadratic acid ; squarc acid ; timtec-bb sbb007891 ; dihydroxycyclobutenedione ; 2-dione
CAS:
2892-51-5
EINECS:
220-761-4
Molecular Formula:
C4H2O4
MDL:
MFCD00001334
SMILES:
CN1CCCN=C1C=CC2=CC=CS2.C1=CC=C2C(=C1)C=C(C(=C2CC3=C(C(=CC4=CC=CC=C43)C(=O)O)O)O)C(=O)O

Properties

Molecular Weight:
114.06 g·mol−1
Melting point:
>300 °C(lit.)
Flash point:
190 °C
download Download Molfile for :
3,4-Dihydroxy-3-cyclobutene-1,2-dione

Suppliers

Simagchem Corporation

Tipo de companhia: Bulk chemical producer
Your partner in China for chemicals business. Expertize in supplies and sources of fine, specialty, pharmaceutical chemicals and intermediates. WE offer high quality products and JIT services with instant market intelligence in China, custom synthesis in our 3 production sites, famous principals as Brenntag, Univar,S inopec, Grace, Petrobras, DKSH, Formitex, Evonik, Merck, TCI, Sanofi, Chemo with creditable reputation and business cooperation. Nós somos fornecedor de 2-Diisopropylaminoethyl chloride hydrochloride.
país: P.R.China   telefone: +86 592 2680 277   fax: +86 592 2680 237

Sancai Industry Co.,Ltd.

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país: P.R.China
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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. Nós vendemos m-Fluorobenzaldehyde bem. 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 ...
país: P.R.China   telefone: +86-571-86976032   fax: +86-571-86972162

Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)

Tipo de companhia: Producer
país: P.R.China
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fax: +86 571 88282557
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Zehao Industry Co., Ltd.

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Dayang Chem (Hangzhou) Co.,Ltd.

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país: P.R.China   telefone: +86-571-88938639   fax: +86-571-8893-8652

Nantong Xindao Biotech Ltd

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país: P.R.China
telefone: +86 19033786557
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Capot Chemical Co., Ltd.

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Carbone Scientific Co., Ltd.

Tipo de companhia: Supplier
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Skyrun Industrial Co., Ltd.

Tipo de companhia: Leading producer
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telefone: +86-576-84015261
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Leap Chem 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 Squaric acid with the CAS number 2892-51-5, there are other 59 providers with slightly different product names available for this CAS number.

+3 additional providers that we know from the past
+1 additional providers that we know from the past
Senzhuo Industry Co.,Ltd | OPQ Chemical Co., Ltd | Unilong Industry Co.,Ltd | Xiamen Hisunny Chemical Co., Ltd. | Shandong Lanhai Industry Co.,Ltd. | Xingrui Industry Co., Limited | Lori Industry Co., Ltd | Hangzhou Zhongqi Chem Co., Ltd | Hangzhou Lingrui Chemical Co., Ltd. | Shandong SanYoung Industry Co., Ltd | AK Scientific, Inc. | BLD Pharmatech Ltd | Leap Chem Co., Ltd | BIOZOL Diagnostica Vertrieb GmbH | Haihang Industry Co., Ltd. | BuGuCh & Partners | Anhui Senrise Technology Co., Ltd. +35 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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