Solubilised Vat Orange 1
Synonyms
Vat Orange 1, Solubilized;
C.I. 59106;
Dibenzo(b,def)chrysene-7,14-diol, dibromo-, bis(hydrogen sulfate), disodium salt;
Category
Anionic Surfactant
> Sulfate
>> Phenol Sulfate
>>> Fused Ring Phenol Group Sulfate
>>>> Fused Ring Phenol Sulfate
Chemical Numbering System
CAS: 1324-15-8
EINECS: 215-364-8
Molecular Formula & Molecular Weight
Molecular Formula: C24H10Br2Na2S2O8; C24H12Br2O8S2.Na2
Molecular Weight: 696.25
Structure
Properties
Appearance powder.
Solubility soluble in water.
Stability stable in alkali, weak acid and hard water; unstable in strong acid, hydrolyzed.
Risk Solid form: irritation, irritation to skin, eye.
GHS label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent dyeing, masking, dispersing abilities. Solubilized vat dye.
Synthesis
Currently, sulfated reaction through continuous reactor (such as: falling film reactor) is the most widely used method for preparing sulfates.
Generally, vat orange 1 and sulfur trioxide react through reactor, then sodium hydroxide neutralizes, finally obtain product.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Inorganic salts (as NaCl), %, ≤ |
|
|
pH (25°C, 1% solution) |
5.5 - 8.0 |
Test Methods
(1), Inorganic salts
GB/T 23977 Dyestuffs - Determination of content of salt - Conductance method
(2), pH
GB/T 2390 Dyes - Determination of pH value
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Pb, mg/kg, ≤ |
100 |
|
As, mg/kg, ≤ |
50 |
Test Methods
(1), Pb
GB 20814 Limit and determination of the quantity of heavy-metal elements in dye products
(2), As
GB 20814 Limit and determination of the quantity of heavy-metal elements in dye products
3, Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
Major Uses
1, Typical applications
Use as dye.
Manufacturers
Update: 20170217(1);