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Squaric Acid(3,4-Dihydroxy-3-cyclobutene-1,2-dione)

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Formula: C4H2O4
CAS: 2892-51-5

Identification

Structural Formula
Squaric Acid(3,4-Dihydroxy-3-cyclobutene-1,2-dione)
CAS:
2892-51-5
EINECS:
220-761-4
Molecular Formula:
C4H2O4
MDL:
MFCD00001334
Synonym:
squaricaciddibutylesters ; diketocyclobutenediol ; dihydroxycyclobutenedione ; squaric ; squaric acid ; timtec-bb sbb007891 ; 2-dione ; nsc 624671 ; quadratic acid ; squarc acid




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Properties for Squaric Acid(3,4-Dihydroxy-3-cyclobutene-1,2-dione)

Molecular Weight:
114.06 g·mol−1
Melting point:
>300 °C(lit.)
Flash point:
190 °C
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Hazard Statements

GHS05

GHS05
Corrosive
  • Corrosive to metals, category 1

Safety & Transport Information

Risk Codes:
R36/37/38 - Irritating to eyes, respiratory system and skin
R43 - May cause sensitisation by skin contact
Safety Codes:
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing
S37/39 - Wear suitable gloves and eye/face protection
Hazard Classes:
8
Hazard Symbols:
Xi
Hazard symbol Xi
Storage temperature :
-20 °C
RID/ADR certification :
3261
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Alternative Distributors of [Squaric Acid(3,4-Dihydroxy-3-cyclobutene-1,2-dione)]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Discovery Fine Chemicals Limited

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