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BGC » Chemicals A-Z » Squaric acid
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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

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Sancai Industry Co.,Ltd.

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Carbone Scientific 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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