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Alizarin red S, Hi-Cert™
Product Identifier
CAS No.
130-22-3
EC No.
204-981-8
C.I. No.
58005
Molecular Formula
C14 H7 NaO7 S
Molecular Weight
342.26
Synonym
Sodium alizarinsulphonate, Hi-Cert™
HS Code
3204 12 99
Storage
Below 30°C
Shelf life
4 years
Technical Specification
Appearance
Yellow-green to dark-red powder
Solubility
10 ppm solution in 0.1M NaOH yields clear solution
Visual pH Transition
pH 4.3 (light-yellow) to pH 6.3 (pink) to pH 12.0 (violet)
Absorption maximum 1
554 - 558 nm (10 ppm in 0.1M NaOH)
Absorption maximum 2
590 - 599 nm (10 ppm in 0.1M NaOH)
Loss on drying (at 110°C, 2 hr)
<= 10.0%
Absorptivity 1 (10 ppm in 0.1M NaOH at 556nm)
min 350.0
Absorptivity 2 (10 ppm in 0.1M NaOH at 595nm)
min 325.0
Safety Information
Hazard Pictogram(s)
Signal Word
Warning
Hazard Statement(s)
H315-H319-H335
Precautionary Statement(s)
P261-P280-P312-P321-P403+P233-P501
UN No.
Not dangerous goods
Class
-
Packing Group
-
RTECS
CB1095300
WGK
1
CAS Number :
130-22-3
Synonym :
Sodium alizarinsulphonate, Hi-Cert™
Molecular Formula :
C₁₄H₇NaO₇S
More Information
Product Name
Alizarin red S, Hi-Cert™
SKU
GRM136
CAS No
130-22-3
EC No.
204-981-8
Molecular formula
C₁₄H₇NaO₇S
Synonym
Sodium alizarinsulphonate, Hi-Cert™