DSD Acid By Zhengzhou Meinl Chemical Co Ltd,

DSD Acid

Prix FOB

Obtenir le dernier prix

0.01 ~ 0.02 /

2300 Yard Minimum Order

Pays:

China

N Â° de modÃ¨le:

81-11-8

Prix FOB:

0.01 ~ 0.02 / (Negotiable) Obtenir le dernier prix

LocalitÃ©:

Prix de commande minimale:

0.01

Commande minimale:

2300 Yard

Packaging Detail:

Packing: dry product: in 25kg woven bags or upon clients' request; wet product: in 40kg woven b

Heure de livraison:

Packing: dry product: in 25kg woven bags or upon c

Capacité de Fournir:

2000 Yard per Year

Payment Type:

T/T

Groupe de produits :

Other Names: 4,4â€™-Diaminostilbene-2,2â€™-disulfonic acid
Type: Acid Dye
Usage: Main use:In the manufacture of fluorescent brighteming agentã€Chrysophenine G and Direct Yellow R, also as pesticides

1)Light yellow cream or powder, soluble in ethanol and ether:1)Light yellow cream or powder, soluble in ethanol and ether

La description

DSD Acid

Chemical name:4,4-Diaminostilbene-2,2-disulfonic acid
Structural formula:

Chemical formula: C₁₄H₁₄N₂O₆S₂
Molecular weight: 370.4
CAS NO.:81-11-8
Property:
1)Light yellow cream or powder, soluble in ethanol and ether; insoluble in water, easily soluble in alkaline solution.
2)Can be easily oxidized into red; has the property of aromatic acid or aromatic amine
Quality index:

Item	Index
(1)Appearance dry/wet	light yellow powder/light yellow cream
(2)Dry product total amino value(gross dry sample)%ã€€ã€€	≥95.0
(3)Degree of pigmentation(EOD)ã€€ã€€ã€€ã€€ã€€ã€€ã€€ã€€ã€€ã€€ã€€ã€€	≤0.12
(4)Content of alkali insolubles (gross cream )%ã€€ã€€ã€€	≤0.08
(5)Benzyl compound(gross sample)%ã€€ã€€ã€€ã€€ã€€ã€€ã€€	≤ 0.25
(6)Ash content%ã€€ã€€ã€€ã€€ã€€ã€€ã€€ã€€ã€€ã€€ã€€ã€€ã€€ã€€ã€€ã€€	≤2.2

Main use:In the manufacture of fluorescent brighteming agentã€Chrysophenine G and Direct Yellow R, also as pesticides
Packing: dry product: in 25kg woven bags or upon clients' request; wet product: in 40kg woven bag or upon clients' request.

Pays:	China
N Â° de modÃ¨le:	81-11-8
Prix FOB:	0.01 ~ 0.02 / (Negotiable) Obtenir le dernier prix
LocalitÃ©:	-
Prix de commande minimale:	0.01
Commande minimale:	2300 Yard
Packaging Detail:	Packing: dry product: in 25kg woven bags or upon clients' request; wet product: in 40kg woven b
Heure de livraison:	Packing: dry product: in 25kg woven bags or upon c
Capacité de Fournir:	2000 Yard per Year
Payment Type:	T/T
Groupe de produits :	-