4,4'-DIAMINO -2,2'-STILBENEDISULFONIC ACID
SYNONYM: 4,4'-DIAMINOSTILBENE
-2,2'-DISULFONIC ACID; DSD
ACID
FORMULA: C14H14N2O6S2
M. W.: 370.4
CAS NO.:
DESCRIPTION: LIGHT YELLOW PASTE OR POWDER, SOLUBLE IN
ALCOHOL AND EITHER; INSOLUBLE IN WATER, READILY SOLUBLE IN ALKALI. EASILY BE
OXIDIZED TO RED IN AIR, IT HAS PROPERTIES OF AROMATIC ACID AND AROMATIC AMINE.
SPECIFICATIONS:
AMINO VALUE |
95%MIN. |
CHROMA |
9 MAX. |
INSOLUBLES IN ALKALI |
0.1%MAX. |
BENZYL MATTER |
0.25%MAX. |
MOISTURE |
1.5%MAX. |
USES: USED IN MANUFACTURE OF FLUORESCENT WHITENING
AGENT. DIRECT CHRYSOPHENINE G. DIRECT YELLOW R AND USED AS INSECT PREVENTIVE
ETC.
PACKING: