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Specification Sheet

Acid orange II

4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt, Acid Orange A, Acid Orange 7, Orange II, Tropaeolin 000 No. 2

A 1371

for microscopy

C16H11N2NaO4S

633-96-5

350.32

A 1371 (OTTO) Acid orange II Cas no 633-96-5 - used in the Wilson-Ezrin method for pituitary acidophils, as a counterstain following Heidenhain’s or Weigert’s hematoxylin on paraffin sections.

Acid orange II - is a pH indicator and applicable in biological applications.

Properties

Hematology & histology

Powder

Orange

About 484 nm

164° C

Safety Information

Signal word Warning
Hazard statements H315-H319-H335
Precautionary statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
WGK Germany 3
RTECS DB7084000

PackingsPrice (INR)
25 gm 342.00
100 gm 1305.00
5 kg POR
4 x 25 kg POR

DisclaimerThe above particulars do not release the customer from the obligation to carry out an inspection of goods received.
Not for medical, household or any other uses, for lab use only, Please test before use.