sodium dithionite 85% extrapure

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

Sodium hypodisulphite ; Sodium Hydrosulphite

CAS	7775-14-6
Molecular Formula	Na2S2O4
Molecular Weight	174.11
Shelf Life	24 Months

Physical Properties
Physical State at 20 °C	Solid	Colour	White crystalline
Odour	Distinct sulfur dioxide odor	pH Value	7 – 9
Melting Point/ Freezing Point [°C]	300 °C	Vapour Density	3.6
Density [g/cm3]	2.19	Solubility in Water [% weight]	Soluble in water
Partition Coefficient Log POW Octanol / Water at 20°C	-4.7

Specifications
Appearance	White crystalline powder	Assay (Iodometric)	85 – 87%*
Iron (Fe)	Max 0.002%

Dangerous Goods Information
UN Number	1384	DG Class	4.2

Safety Information & Hazard Symbols
Symbol	GHS02, GHS07
Signal Word	Danger
Hazard Statement	H251-H302
Precaution Statement	P235 + P410

sodium dithionite 85% extrapure

$47.60

Size

UOM

Clear

SKU C02404-00500-HS Category Chemicals