Jump to content Jump to navigation menu

4-(Phenylazo) diphenylamine, 25 g

≥97 %, p.a.
Examples of effect: Lead to damage to heath, cause irritation to eyes, skin or respiratory organs. Are fatal in larger quantities. Safety: As previously stated, in the event of skin irritation or contact with eyes, rinse with water or a suitable medium.
i causes skin irritation, causes serious eye irritation, may cause respiratory irritation
P302+P352 P305+P351+P338
i IF ON SKIN: Wash with plenty of water, IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing
Pack Qty.
Empirical formula C18H15N3
Molar mass (M) 273,34 g/mol
Melting point (mp) 91 °C
CAS No. 101-75-7
EG-Nr. 202-972-3

Indicator pH 1.2-2.5; for microscopy
Insoluble in water, soluble in methanol

€115.60/Pack Qty. 

excl. VAT. | 25 g per Pack Qty.

Art. No. 4538.2

In production
from 6 Pack Qty. €109.82/Pack Qty.
from 24 Pack Qty. €104.04/Pack Qty.

Product details

4-(Phenylazo) diphenylamine ≥97 %, p.a.

Technical Information
Colour conversion red - yellow 
Transition range pH 1,2 - 2,5 
4-(Phenylazo) diphenylamine
Selected quantity:   0
  1. Subtotal:  0.00
Art. No. Pack Qty. Pack. Price Quantity
4538.1 5 g glass


4538.2 25 g glass


In stock
In procurement
No longer available
Delivery date currently unknown
Selected quantity:   0
  1. Subtotal:  0.00

Downloads / MSDS

Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Guarantee analysis

Appearanceorange to orange-brown powder
Assay≥97,0 %
Absorption max. (in EtOH)~411 nm
pH-transition range1,2 (red)-2,5 (yellow)