solvent pink 2310

cas registry number: 82347-07-7
manufacturing methods:
1. properties and applications: solvent red 218 is a spirit color based on advanced azo-metal complex and dye-salt technology. it shows excellent solubility in various solvents. it is suitable for marker pen-, industrial special-, & inkjet ink, lacquer, varnish and leather coating applications. it offers strong resistance to light and heat.

standard light fastness heat-resistant(℃) water sodium carbonate(5%) hydrochloric acid(5%)
melting point stable
iso general   230 insoluble    

2. physical and chemical properties:

test items specification
appearance brilliant  pink powder
shade yellowish
/ standard test conclusion
tinting strength 100-105  % 102%
shade similar or minimal level similar
water ≦1.0 0.4
insolubles ≦1.0 0.25
heat resistance 240 °c min
light fastness 5-6
acid resistance 4
alkali resistance 5
water resistance 5
density 1.30 g/cm3
esidue on 80 mesh 5.0% max
water  soluble 1.0% max
volatile  105 °c 1.0% max

3. solubility:

appearance  
solubility（g/l） alcohal 10
1-methoxy-2-propanol 200
n-propanol 10
2-ethoxyethanol 200
m.e.k 200
ethxy acetate –
toluene –
heat stability 150°c 30min a
180°c 10min b
200°c 1min b
light fasthess 4-5