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DSD Acid

离岸价格

获取最新报价

0.01 ~ 0.02 USD /

2300 Yard Minimum Order

国家:

China

型号:

81-11-8

离岸价格:

0.01 ~ 0.02 USD / （面議）获取最新报价

位置:

最小订单价格:

0.01

最小订单:

2300 Yard

包装细节:

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

交货时间:

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

供应能力:

2000 Yard per Year

付款方式:

T/T

產品組 :

现在联系

Zhengzhou Meinl Chemical Co Ltd

China

免费会员

联系人 mika

China, Zhengzhou, Henan

现在联系

产品规格

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

详情

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)%	≥95.0
(3)Degree of pigmentation(EOD)	≤0.12
(4)Content of alkali insolubles (gross cream )%	≤0.08
(5)Benzyl compound(gross sample)%	≤ 0.25
(6)Ash content%	≤2.2

Main use:In the manufacture of fluorescent brighteming agent、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.

国家:	China
型号:	81-11-8
离岸价格:	0.01 ~ 0.02 / （面議）获取最新报价
位置:	-
最小订单价格:	0.01
最小订单:	2300 Yard
包装细节:	Packing: dry product: in 25kg woven bags or upon clients' request; wet product: in 40kg woven b
交货时间:	Packing: dry product: in 25kg woven bags or upon c
供应能力:	2000 Yard per Year
付款方式:	T/T
產品組 :	-