Jump to content Jump to navigation menu

Phenolphthalein (C.I. 764), 100 g

≥99 %, p.a.
Icon_EVE-EUD Please consider that this product might be liable to some legal sanctions as for example to obtain an end user declaration or the prohibition of some applications. For details please do contact your counterpart in our sales department!
Examples of effect: Have an allergenic effect, carcinogenic, mutagenic, toxic to reproduction and cause developmental toxicity (reprotoxic) or damage to organs Safety: You must be well-informed before starting work with these substances; wear protective clothing and gloves, eye protection and mask or breathing protection.
i suspected of causing genetic defects, may cause cancer, suspected of damaging fertility
P201 P261 P280 P308+P313
i obtain special instructions before use, avoid breathing dust, wear protective gloves/protective clothing, IF exposed or concerned: Get medical advice/attention
Pack Qty.
Empirical formula C20H14O4
Molar mass (M) 318,33 g/mol
Density (D) 1,3 g/cm³
Boiling point (bp) >450 °C
Melting point (mp) 263 °C
CAS No. [77-09-8]
EG-Nr. 201-004-7

Indicator pH 8,0-10,0
Dissolve 0.1 g in 100 ml ethanol (96 %)

€26.35/Pack Qty. 

excl. VAT. | 100 g per Pack Qty.

Art. No. T126.1

In stock
Delivery fast, simple and reliable!
from 6 Pack Qty. €25.03/Pack Qty.
from 24 Pack Qty. €23.72/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

Phenolphthalein (C.I. 764) ≥99 %, p.a.

Technical Information
Colour conversion colourless - purple 
Handling area pH 8,0 - 10,0 
Phenolphthalein (C.I. 764)
Selected quantity:   0
  1. Subtotal:  0.00
Order No. Pack Qty. Pack. Price Quantity
T126.1 100 g plastic €26.35
T126.2 50 g plastic €18.85
T126.3 500 g plastic €69.35
In stock
Available at short notice
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

Appearancewhite to yellowish powder
Assay (HPLC)≥99,0 %
Transition range8,0 (colourless) - 10,0 (red-violet)
Absorption max. (buffer, pH 9,8)551-554 nm
Loss on drying (105 °C)≤1,0 %

0 Reviews

0.0 out of five stars