Disodium Catecholdisulfonate
Quantity
Unit
CAS #
149-45-1
PRODUCT
SYNONYM
CDS; disodium 4,5-dihydroxybenzene-1,3-disulfonate; tiron; 1,2-Dihydroxybenzene-4,5-Disulfonic Acid; 1,3-Benzenedisulfonic acid, 4,5-dihydroxy-, sodium salt (1:2)
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FORMULA
C6H6O8S2
APPEARENCE
white to tan powder
WATER SOLUBILITY
soluble
MELTING POINT
300C
ASSAY
> 93.0%
ACIDITY
< 0.2% as H2SO4
SO4
< 0.4%
CATECHOL
> 0.1% wt.
OTHER DISULFIDES
< 0.2
VOLATILES
< 0.6%
H2O
< 6.0%
COLOR
< 60 ppm APHA
CHEMICAL STRUCTURE
NOTES
Used as a detergent additive, chelating agent, photographic chemical and cement accelerator.
CLASS
Specialty Chemicals, Organic Intermediates and Compounds
FUNCTIONS
Accelerator, Cement Control
INDUSTRY
Industrial, Detergent, Photography, Construction
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