eriochrome black t 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.

Specification

Description

CAS	1787-61-7
Molecular Formula	C20H12N3NaO7S
Molecular Weight	461.38
Shelf Life	60 Months

Physical Properties
Physical State at 20 °C	Solid	Colour	Brownish black powder
Odour	Odorless

Specifications
Appearance	Brownish black powder	Suitability (As Metal Indicator)	Passes test
Absorption Maxima at pH 10	612 – 616 nm	Clarity of Solution	Passes test
Specific Absorptivity A1%/1Cm (Lmax; 0.02 G/L; Buffer pH 10.0; Calculated On Dried Substance)	Min 300.0	Loss On Dryig (At 110°C)	Max 7.0%

Dangerous Goods Information
UN Number	–	DG Class	–

eriochrome black t ar

$23.80

Size

UOM

Clear

SKU C01122-00025-HS Category Chemicals