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Squaric acid

Name: Squaric acid
Brand: 2A Biotech
SKU: 2A-9008755

CAS Number2892-51-5

SynonymsSQUARICACIDDIBUTYLESTERS; EINECS 220-761-4; Squaric acid; dihydroxy-cyclobutenedion; Quadratic acid; 3,4-Dihydroxycyclobut-3-en-1,2-dion; 1-Cyclobutene-3,4-dione-1,2-diol; 2-dione; 3,4-Dihydroxycyclobut-3-ene-1,2-dione; Squaric; DIKETOCYCLOBUTENEDIOL; dihydroxycyclobutenedione; MFCD00001334; 3,4-Dihydroxy-3-cyclobutene-1,2-dione; SQUARC ACID

Molecular Formula(HO)2C4(=O)2

Molecular Weight114.06

Purity≥99.0 (HPLC)%

Density2.4±0.1 g/cm3

Boiling Point251.0±50.0 °C at 760 mmHg

Melting Point>300 °C (lit.)

Appearancesolid

EINECS220-761-4

MSDSChinese English

Symbol

Signal WordWarning

Cat. No.: 2A-9008755 Purity: ≥99.0 (HPLC)%

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Quality Control of [ 2892-51-5 ] Purity: ≥99.0 (HPLC)% SDS Specification MoL

Chemical & Physical Properties
CAS Number	2892-51-5
Catalog No.	2A-9008755
Chinese Name	方酸
Synonyms	SQUARICACIDDIBUTYLESTERS; EINECS 220-761-4; Squaric acid; dihydroxy-cyclobutenedion; Quadratic acid; 3,4-Dihydroxycyclobut-3-en-1,2-dion; 1-Cyclobutene-3,4-dione-1,2-diol; 2-dione; 3,4-Dihydroxycyclobut-3-ene-1,2-dione; Squaric; DIKETOCYCLOBUTENEDIOL; dihydroxycyclobutenedione; MFCD00001334; 3,4-Dihydroxy-3-cyclobutene-1,2-dione; SQUARC ACID
Molecular Formula	(HO)2C4(=O)2
Molecular Weight	114.06
Purity	≥99.0 (HPLC)
Density	2.4±0.1 g/cm3
Boiling Point	251.0±50.0 °C at 760 mmHg
Melting Point	>300 °C (lit.)
Appearance	solid
Water Solubility	20 g/L (30 ºC)
Storage Condition	Sealed in a cool, dry environment
Packaging	II
EINECS	220-761-4
HTC	29144090
UN(IATA)	UN 3261
PubChem ID	24847567
MDL Number	MFCD00001334
SMILES	OC1=C(O)C(=O)C1=O
InChI	1S/C4H2O4/c5-1-2(6)4(8)3(1)7/h5-6H
InChI Key	PWEBUXCTKOWPCW-UHFFFAOYSA-N
Beilstein/REAXYS	774275
NACRES Code	NA.23
UNSPSC	12352103
Hazard Symbols	8
Risk Codes	R36/37/38
Safety Description	S26;S37/39
MSDS	msds/8755_1_2892_51_5.pdf
Tax Rebate	9.0%
Supervision	none
Transport Info	Product name: Summary 2914400090 other ketone-alcohols and ketone-aldehydes. Supervision conditions:None. VAT: 17.0%. Tax rebate rate:9.0%. MFN tariff:5.5%. General tariff:30.0%

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Squaric acid

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