methyl red indicator ar

Six white plastic bottles with red caps of varying sizes are lined up in ascending order against a plain gray background.
Three chemical solution bottles with red caps are arranged side by side against a gray background. The labels read "Methyl Orange Indicator Solution" and "Fehling's Solution No. A.
Three white chemical bottles with red caps, labeled "Chemnovyo," arranged in order of size against a plain gray background.
Four plastic bottles of chemical reagents with red caps, labeled for different substances, are arranged in size order against a gray background.
Five black plastic chemical bottles of various sizes are arranged on a gray surface against a dark gray background. Labels are visible but not fully legible.
Six brown pharmaceutical containers of varying sizes with white and red ChemBooz labels are arranged in a row against a plain gray background.
Three black plastic bottles of nitric acid with white hazard labels are arranged in a row against a grey background.
Two brown glass bottles with red caps, labeled as chemical containers, are placed side by side on a gray surface with a dark background.
Two white plastic chemical containers with black lids, labeled "Chemnovato." The left contains Magnesium Sulphate, and the right contains Acetyl Salicylic Acid, both on a gray background.
Three chemical bottles labeled Toluene, Iso-Propyl Alcohol, and Chloroform are arranged side by side on a gray background.
Six brown glass bottles of varying sizes with white labels and black or white caps, containing Trichloroacetic Acid 99% AR from Chemoxy, are arranged in a row on a gray background.
Two brown glass bottles labeled "Chloroform 99.8% for HPLC" with hazard symbols, placed side by side on a neutral gray background.
Three dark brown bottles with red caps and Chemnovatic labels contain hydrochloric acid, nitric acid, and sulfuric acid, arranged side by side on a gray background.

Description

C.I.No.13020
2-(N,N-Dimethyl-4-aminophenyl)azobenzenecarboxylic acid, C.I. Acid Red 2 ; acid base indicator

CAS 493-52-7
Molecular Formula C15H15N3O2
Molecular Weight 269.31
Shelf Life 60 Months
Physical Properties
Physical State at 20 °C Solid Colour Dark red powder
Odour Odorless Melting Point/ Freezing Point [°C] 179°C
Vapour Density 9.3 Solubility in Water [% weight] Insoluble in water
Specifications
Appearance Dark red to maroon to violet or purple powder or crystals Identity Passes test
pH Transition Range (4.4 – 6.2) Pink Red – yellow orange Insoluble Matter in Ethanol (1 G/L) Passes test
Absorption Maxima (Buffer pH 4.5) 523 – 526 nm Absorption Maxima (Buffer pH 6.2) 427 – 437 nm
Loss On Dryig (At 110°C) Max 5.0% Residue On Ignition (As So4) Max 2.0%
Dangerous Goods Information
UN Number – DG Class –

methyl red indicator ar

$20.20

SKU C01743-00025-HS Category
Elementor blue circle.

Australia Wide Shipping

We ship to all areas of Australia

A padlock icon in a blue circle on Elementor Single Product page #46.

Secure Payments

Your transactional information is transmitted in a safe when shopping

A pink circle with a speech bubble icon.

Support Customer

Have any questions? We're happy to help! Call +1300 778 068

Product Enquiry

Announcement for Hurst Scientific: Free freight on all orders starting May 1st, with exclusions for dangerous goods and Holiday Closure periods. Features a laboratory scene with glassware and blue liquid.