Jump to content Jump to navigation menu

Oil red O (C. I. 26125), 25 g

extra pure
Pack Qty.
Solvent red 27, Sudan red 5B
Empirical formula C26H24N4O
Molar mass (M) 408,5 g/mol
Melting point (mp) 120 °C
CAS No. [1320-06-5]

fat soluble dye

€21.40/Pack Qty. 

excl. VAT. | 25 g per Pack Qty.

Art. No. 1H5H.1

In stock
Delivery fast, simple and reliable!
from 6 Pack Qty. €20.33/Pack Qty.
from 24 Pack Qty. €19.26/Pack Qty.
Carl Roth subscription service

Now recurring orders conveniently delivered as a subscription!

With the new Carl Roth Replenishment Service you can let products be ordered automatically which you need regularly in your lab!

How it works:

Put all products for your subscription in the desired quantity in the basket.


In the shopping cart, select the option "Order shopping cart as subscription" Order as subscription.


Set Starty point and interval for your subscription and submit order!

By the way: Through your account you can customize or delete your subscriptions anytime.

Product details

Oil red O (C. I. 26125) extra pure

Technical Information
Soluble in Fat/oil 
Oil red O (C. I. 26125)
Selected quantity:   0
  1. Subtotal:  0.00
Order No. Pack Qty. Pack. Price Quantity
1H5H.1 25 g glass


1H5H.2 100 g glass


In stock
In procurement
Not available
Delivery date currently unknown
Selected quantity:   0
  1. Subtotal:  0.00

Downloads / MSDS

General information

Indicators and Dyes

Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.


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:

Type analysis

Appearancered brown powder
Dye content≥75 %
Maximum absorption528-534 nm