Name | Alphazurine A |
Synonyms | acidblueo C.I. 42080 Acid blue 7 acidskyblueo AcidskyblueA Alphazurine A Acid Blue 7 Patent Blue A C.I. Acid Blue 7 acidturquoisebluea Acidturquoiseblue2G Acid Blue 7 (42080) abcolpatentblueaconc C.I. Acid Blue 7 (7CI) LABOTEST-BB LT00159685 AcidLakeBiueAErioGlaucineX C.I. Acid Blue 7, sodium salt C.I. Acid Blue 7, sodium salt (8CI) sodium 4-[(E)-{4-[benzyl(ethyl)amino]phenyl}{(4E)-4-[benzyl(ethyl)iminio]cyclohexa-2,5-dien-1-ylidene}methyl]benzene-1,3-disulfonate |
CAS | 3486-30-4 |
EINECS | 222-476-0 |
InChI | InChI=1/C37H36N2O6S2.Na/c1-3-38(26-28-11-7-5-8-12-28)32-19-15-30(16-20-32)37(35-24-23-34(46(40,41)42)25-36(35)47(43,44)45)31-17-21-33(22-18-31)39(4-2)27-29-13-9-6-10-14-29;/h5-25H,3-4,26-27H2,1-2H3,(H-,40,41,42,43,44,45);/q;+1/p-1 |
Molecular Formula | C37H37N2NaO6S2 |
Molar Mass | 692.82 |
Density | 1.371[at 20℃] |
Melting Point | 290°C (dec.)(lit.) |
Water Solubility | 134.8g/L at 20℃ |
Vapor Presure | 0Pa at 25℃ |
Appearance | Crystalline Powder |
Color | Dark purple |
Storage Condition | Room Temprature |
Stability | Stable. Incompatible with strong oxidizing agents. |
MDL | MFCD00044440 |
Physical and Chemical Properties | Blue powder. Soluble in cold water and hot water, the aqueous solution is green blue, adding sodium hydroxide solution, boiling from blue to purple. Soluble in ethanol, blue. In concentrated sulfuric acid was purple, diluted into yellow. The color of copper and iron ions changed to green and dark, and it was not sensitive to chromium ions. |
Use | For biocoloring. Can be combined with acid red B to make acid medium dark blue AGLO. |
Safety Description | S24/25 - Avoid contact with skin and eyes. |
WGK Germany | 3 |
RTECS | DA4427950 |