ammonium ferric sulphate dodecahydrate 98% extrapure

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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	7783-83-7
Molecular Formula	NH4Fe(SO4)2.12H2O
Molecular Weight	482.19
Shelf Life	60 Months

Physical Properties
Physical State at 20 °C	Solid	Colour	Pale violet crystals
Odour	Odorless	pH Value	1
Melting Point/ Freezing Point [°C]	39 – 41 °C	Density [g/cm3]	1.71
Solubility in Water [% weight]	482.2 g/l at 20 °C

Specifications
Appearance	Pale violet crystals	Assay (Iodometric)	98.0 – 101.0%
Chloride (Cl)	Max 0.002%	Zinc (Zn)	Max 0.005%
Lead (Pb)	Max 0.002%	Iron Ii Fe (Ii)	Max 0.002%
Copper (Cu)	Max 0.002%	Substance Not Precepitated By Nh3 (As So4)	Max 0.1%

Dangerous Goods Information
UN Number	–	DG Class	–

Safety Information & Hazard Symbols
Symbol	GHS07
Signal Word	Warning
Hazard Statement	H315-H319
Precaution Statement	P305 + P351 + P338

ammonium ferric sulphate dodecahydrate 98% extrapure

SKU C00206-00500-HS Category Chemicals