2-Formylbenzenesulfonic acid sodium salt,4,4'-Diaminostilbene-2,2'diasulfonic acid,4-Nitrotoluene-2-Sulphonic Acid,Disodium 4,4'-dinitrostilbene-2,2'-disulfonate,4,4'-bis(chloromethyl)-1,1'-biphenyl--Lion Chemical Corporation

Products

Benzaldehyde disulfonic acid disodium salt

Chemical name:

Benzaldehyde disulfonic acid disodium salt; Benzaldehyde-2,4-disulfonic acid disodium salt

Structural formula:

Molecular formula:

HCOC₆H₃(SO₃Na)₂

Molecular weight :

310.2

CAS number :

33513-44-9

Specification:

Item	Specification:
Item	Super fine	High performance	First-class	Qualified
Appearance	White to light yellow powder chrystal
Content % (min)	70.0	67.0	60.0	55.0

Application:

Used in the synthesis of fluorescent brightening.