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2892-51-5(Squaric acid) Product Description

Squaric acid Structure2892-51-5
CAS No.2892-51-5
Chemical Name:Squaric acid
CBNumber:CB6263069
Molecular Formula:C4H2O4
Formula Weight:114.06
MOL File:Mol file
Squaric acid Synonyms:
4-dihydroxy-3-cyclobutene-1
3,4-Dihydroxy-3-cyclobuten-1,2-dion
3,4-Dihydroxy-3-cyclobutene-1,2-dione, 99% 25GR
3,4-Dihydroxy-3-cyclobutene-1,2-dione, 99% 5GR
dihydroxy-cyclobutenedion
dihydroxycyclobutenedione
3,4-DIHYDROXY-3-CYCLOBUTEN-1,2-DIONE
1-Cyclobutene-3,4-dione-1,2-diol Squaric Acid

Squaric acid Property

Melting point: >300 °C(lit.)
Boiling point: 250.96°C
Density  1.82 g/cm3
refractive index  1.5800 (estimate)
Flash point: 190 °C
storage temp.  Inert atmosphere,Room Temperature
solubility  20g/l
pka 1.5??(at 25℃)
form  Crystalline Powder
color  White to beige
PH 1 (1g/l, H2O, 20℃)
Water Solubility  20 g/L (30 ºC)
Merck  14,8769
BRN  774275
InChIKey PWEBUXCTKOWPCW-UHFFFAOYSA-N
CAS DataBase Reference 2892-51-5(CAS DataBase Reference)
NIST Chemistry Reference 3-Cyclobutene-1,2-dione, 3,4-dihydroxy-(2892-51-5)
EPA Substance Registry System 3-Cyclobutene-1,2-dione, 3,4-dihydroxy- (2892-51-5)

Safety

Hazard Codes : Xi
Risk Statements : 36/37/38-43
Safety Statements : 26-36-37/39
RIDADR : 3261
WGK Germany : 3
RTECS : GU1800000
Hazard Note : Irritant
TSCA : Yes
HazardClass : 8
PackingGroup : II
HS Code : 29144090

MSDS

3,4-Dihydroxy-3-cyclobutene-1,2-dione MSDS3,4-Dihydroxy-3-cyclobutene-1,2-dione

Squaric acid Suppliers

Global( 442)Suppliers     
SupplierTelEmailCountryProdListAdvantage
Originchem Co., Ltd 0523-0523-862003461583458435@qq.comChina 69 58
Zhoushan Aike Biotechnology Co., Ltd. 0575-85624575153736735@qq.comChina 131 58
Fuyang Sineva Pharmaceutical Co., Ltd 0558-2919017;dingzhikui@sineva.com.cnChina 44 58
Wuhan Boye Technology Development Co., Ltd. 027-81625225hui@boyechemicals.comChina 475 58
Birdo (Shanghai) Medical Technology Co., Ltd. 021-021-021-021-58099077-8102-8041-8041-8041sales@birdotech.comChina 9421 58
Z IntellecChem& Tech. Co., Ltd  saleszchem@163.comChina 110 62
Jinan Kangluoyuan Trading Co., Ltd 13953193998287973232@qq.comChina 15 58
Jiangxi Boye Medical Technology Co., Ltd 027-18971341812/18971341812anikay@boyechemicals.comChina 660 58
2892-51-5(Squaric acid) Related Search:
4-dihydroxy-3-cyclobutene-1 3,4-Dihydroxy-3-cyclobuten-1,2-dion 3,4-Dihydroxy-3-cyclobutene-1,2-dione, 99% 25GR 3,4-Dihydroxy-3-cyclobutene-1,2-dione, 99% 5GR dihydroxy-cyclobutenedion dihydroxycyclobutenedione 3,4-DIHYDROXY-3-CYCLOBUTEN-1,2-DIONE 1-Cyclobutene-3,4-dione-1,2-diol Squaric Acid 1,2-DIHYDROXY-3,4-CYCLOBUTENEDIONE FOR S NSC 624671 dihydroxycyclobut-3-ene-1,2-dione Squaric acid, 1,2-Dihydroxy-3,4-dioxocyclobut-1-ene 3,4-Dihydroxy-3-cyclobutene-1,2-dione 99% 3,4-Dihydroxy-3-cyclobutene-1,2-dione 3,4-Dihydroxycyclobut-3-ene-1,2-dione 1-Cyclobutene-3,4-dione-1,2-diol 3,4-Dihydroxy-3-cyclobutene-1,2-dione 1,2-Dihydroxy-3,4-cyclobutenedione for synthesis 1,2-Dihydroxycyclobutene-3,4-dione 1,2-Diketo-3,4-dihydroxycyclobutene 3,4-dihydroxy-3-cyclobutene-2-dione 3,4-Dihydroxy-cyclobutene-1,2-dione 3,4-dihydroxy-cyclobutene-2-dione 3-Cyclobutene-1,2-dione,3,4-dihydroxy- Cyclobutene-1,2-dione, 3,4-dihydroxy- Cyclobutenedione, dihydroxy- 1,2-DIHYDROXY-1-CYCLOBUTEN-3,4-DIONE 1,2-DIHYDROXY-3,4-CYCLOBUTENEDIONE 1,2-DIHYDROXY CYCLOBUTENEDIONE 1-CYCLOBUTENE-3,4-DIONE-1,2-DIOL QUADRATIC ACID SQUARIC ACID DIKETOCYCLOBUTENEDIOL TIMTEC-BB SBB007891 3,4-DIHYDROXY-3-CYCLOBUTENE-1,2-DIONE, 9 9% 3,4-Dihdroxy-3-Cyclobutene-1,2-Dione 3,4-DIHYDROXY-3-CYCLOBUTENE-1,2-DIONE(SQUARIC ACID) SQUARC ACID SQUARIC ACID (3,4-DIHYDROXY-3-CYCLOBUTENE-1,2-DIONE) 3,4-Dihydroxy-3-cyclobutan-1,2-dione SQUARICACIDDIBUTYLESTERS 3,4-Dihydroxy-3-cyclobutene-1,2-dione, 98+% 3,4-Dihydroxy-3-cycL obutene-1,2-dione 3,4-Dihydroxy-3-cyclobutene-1,2-dione, 99%, for synthesis 3,4-Dihydroxy-3-cyclobutene-1,2-dione > squaricaci 2892-51-5 3,4-Dihydroxy-3-cyclobutene-1,2-dione 1,2-DIHYDROXY-1-CYCLOBUTEN-3,4-DI 2-dione 3,4-DIHYDROXY-3-CYCLOBUTENE-1,2-DIONE 3,4-DIHYDROXYCYCLOBUT-3-ENE-1,2-DIONE Squaric 2892-51-5 2892-51-4 2832-51-5 HO2C4O2 C4H2O4 Organic Building Blocks Ketones
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