4-Diazodiphenylamine sulfate

4-Diazodiphenylamine sulfate - Names and Identifiers

Name	variamine blue rt salt (C.I. 37240)
Synonyms	BlueSaltNR BluebaseRT AcnaBlueRTSalt FastbluesaltVRT DaitoBlueSaltVR FastBlueVRTSalt 4-Diazodiphenylamine Sulfate C.I.AzoicDiazoComponent22(37240) variamine blue rt salt (C.I. 37240)
CAS	4477-28-5
EINECS	224-756-8
InChI	InChI=1/C12H10N3.H2O4S/c13-15-12-8-6-11(7-9-12)14-10-4-2-1-3-5-10;1-5(2,3)4/h1-9,14H;(H2,1,2,3,4)/q+1;/p-1

4-Diazodiphenylamine sulfate - Physico-chemical Properties

Molecular Formula	C24H22N8O4S
Molar Mass	518.55
Appearance	Powder
Storage Condition	Room Temprature
MDL	MFCD00011895
Physical and Chemical Properties	Chemical properties yellow to gray green paste. Soluble in water, soluble in ether and ethanol. It decomposes with increasing temperature. It easily turns green in the air and in light. Its solution encounters copper and iron ions and causes decomposition. It does not burn or explode at room temperature, but it cannot be dried to prevent accidents. It has a stimulating effect on the eyes, nose and respiratory tract.
Use	Mainly used for the production of diazonium printing paper, and cotton fabric dyeing and printing. It is advisable to use color matching.

4-Diazodiphenylamine sulfate - Risk and Safety

WGK Germany

4-Diazodiphenylamine sulfate - Upstream Downstream Industry

Raw Materials

Sodium nitrite
Sodium sulfide
4-Chloronitrobenzene
Diphenylamine
4-Aminodiphenylamine
4-NITROSODIPHENYLAMINE

4-Diazodiphenylamine sulfate - Nature

color index	37240
EPA chemical information	Benzenediazonium, 4-(phenylamino)-, sulfate (1:1) (4477-28-5)

Last Update：2024-04-10 22:29:15

4-Diazodiphenylamine sulfate - Production method

two methods, p-nitrochlorobenzene method and diphenylamine method, are used in China. 1. The p-nitrochlorobenzene method is obtained by condensation of p-nitrochlorobenzene with aniline and salicylic acid, then reduced and distilled by sodium sulfide, and then treated by hydrochloric acid into salt, then filtered and dried. 2. Diphenylamine method is obtained by coupling diphenylamine and aniline diazonium salt, and then hydrolytic reduction, salt formation, re-filtration and drying. Raw material consumption (kg/t)(1) p-nitrochlorobenzene method nitrochlorobenzene 1065 aniline 1200 salicylic acid 273(2) diphenylamine method diphenylamine 1180 chlorobenzene 900 methanol 570

Last Update：2024-04-10 22:29:15