Akshar Inernational

Product Range

CONGO RED INDICATOR

Article No.	02930
Purity
Molecular Formula	C32H22N6Na2O6S2
H.S. Code	3204.1400
Grade	For Microscopy
CAS No.	573-58-0
Molecular Weight	696.65
Shelf Life	5

Indicator for estimating free mineral acids.

Specifications
C.I.No.22120
pH 3.0 - 5.2	Blue-violet to red orange
λ1 max, ABS at pH 3.0	563 - 568 nm
λ2max, ABS at pH 5.2	484 - 500 nm
A1%,1cm, λ1max (calc.a.d.s.)	Min 150
A1%, 1cm, λ2max (calc.a.d.s.)	Min 200
Loss on drying at 110 deg C	Max 5%

Packings
25 Gm	Request for price
100 Gm	Request for price
1 Kg	Request for price

Safety Information and Hazard Symbols

Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H350-H361d
Precaution Statement: P201-P281-P308 + P313

Revision Date : 1-Dec-2012