DSD Acid By Zhengzhou Meinl Chemical Co Ltd,

DSD Acid

Precio FOB

Obtener el precio más reciente

0.01 ~ 0.02 USD /

2300 Yard Minimum Order

País:

China

N º de Modelo:

81-11-8

Precio FOB:

0.01 ~ 0.02 USD / (Negociable) Obtener el precio más reciente

Lugar de origen:

Precio de pedido mínimo:

0.01

Cantidad de pedido mínimo:

2300 Yard

Detalle de embalaje:

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

El tiempo de entrega:

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

Capacidad de suministro:

2000 Yard per Year

Tipo de pago:

T/T

Grupo de productos :

Especificaciones del producto

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

Descripción del producto

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.

País:	China
N º de Modelo:	81-11-8
Precio FOB:	0.01 ~ 0.02 / (Negociable) Obtener el precio más reciente
Lugar de origen:	-
Precio de pedido mínimo:	0.01
Cantidad de pedido mínimo:	2300 Yard
Detalle de embalaje:	Packing: dry product: in 25kg woven bags or upon clients' request; wet product: in 40kg woven b
El tiempo de entrega:	Packing: dry product: in 25kg woven bags or upon c
Capacidad de suministro:	2000 Yard per Year
Tipo de pago:	T/T
Grupo de productos :	-