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Home > Chemicals > Inorganic Chemicals > Acid > C14H14N2O6S2 4,4′-Diaminostilbene-2,2′diasulfonic Acid

C14H14N2O6S2 4,4′-Diaminostilbene-2,2′diasulfonic Acid

Shijiazhuang Standard Chemicals Co.ltd

3Yrs

C14H14N2O6S2 4,4′-Diaminostilbene-2,2′diasulfonic Acid thumbnail-1

C14H14N2O6S2 4,4′-Diaminostilbene-2,2′diasulfonic Acid photo-1

Negotiable MOQ: 1 Ton (Price negotiable depending on order volume and customization)

Key Specifications

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Place of Origin:

China

Model Number:

81-11-8

Application:

PVC Products

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Payment Methods:

Port of Shipment:

China

Delivery Detail:

7 days

Product Details
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Place of Origin China

Model Number 81-11-8

Application PVC Products

Purity 95%min

EINECS No. 201-325-2

MF C14H14N2O6S2

Other Names DASDA

CAS No. CAS No.:81-11-8

Classification Other, DSD acid

Appearance LIGHT YELLOW POWDER

Grade Standard Other, Technical Grade

DSD acid (4,4′-Diaminostilbene-2,2′diasulfonic acid) is used in the production of fluorescent brightener, direct frozen yellow G and direct yellow R, and as insecticide

Light yellow paste or powder, soluble in ethanol and ether, insoluble in water, easy to dissolve in alkali solution. It is easy to oxidize to red, and it has the properties of aromatic acids and amines

DSD acid Specificaiton:

Appearance	Light yellow powder
Purity(%)	≥95.0
Chromaticity	0.12% Max
Alkali insoluble matter	0.08% Max
Ash	2.2% Max
Benzyl compounds	0.25% Max