Zhengzhou Goldenstar Chemical Co., Ltd

Pigment；dyestuff& Intermediate

	H Acid

Click to enlarge image

Model Number

[Performance]
Grey powder, slightly dissolves in water, can dissolve in the sodium carbonate solution. Dilute the H-acid monosodium salt will present blue and red fluorescent light. Reacts with the nitrous acid will turn into the yellow crystalline diazo compound. Reacts with the ferric chloride presents reddish brown;it is red and purple when dissolves in the sodium carbonate solution; dark green in saline solution, apt to dissolves in hot water.
[Usage]
Mainly used in the producing acid, direct and reactive dye, also applied in medicine.
[Quality standard]
Voluntary Standard: HG/T 1648-2001
Index Name Index Value
Appearance: greyish white to light grey powder
H-acid monosodium salt % ≥ 85.0
Content of the alkali insolubles (100%) % ≤ 0.2
Allochromatic acid disodium salt(100%) % ≤ 2
T-acid disodium salt(100%) % ≤ 0.5
Moisture Content % ≤ 5

Related Keywords: export H acid

Related products from premium suppliers on EC21

Curing Accelerator for Epoxy

Titanium Dioxide Rutile (Chlo...

Ceramic-metallic Rebuilding

Spray Gun (CHAMELEON4)