MERCK 101750.5000 BARIUM SULFATE EMPROVE CAS No.7727-43-7

Key Spec Table

CAS #	EC Number	Hill Formula	Chemical Formula	Molar Mass	Grade Value
7727-43-7	231-784-4	BaO₄S	BaSO₄	233.39 g/mol	Ph Eur,BP,USP

Add To My Favorites

Product has been Added to My Favorites

OK

Pricing & Availability

An invalid quantity was specified. The product quantity has been adjusted.

Catalogue Number	Availability	Packaging	Qty/Pack	Price	Quantity
1017505000	Retrieving availability... — Limited Availability In Stock Discontinued Limited Quantities AvailableAvailability to be confirmedLogin to See Inventory In Stock Limited Availability In Stock Remaining : Will advise Remaining : Will adviseWill adviseContact Customer ServiceContact Customer ServiceContact Customer ServiceContact Customer Service	Fibre carton	5 kg	Retrieving price...Price could not be retrievedMinimum Quantity is a multiple of Maximum Quantity is Upon Order Completion More InformationYou Saved () —Request Pricing Login to See Your Pricing	Check Availability—	Add To FavoritesAdd To Favorites Added To My Favorites
1017509025	Retrieving availability... — Limited Availability In Stock Discontinued Limited Quantities AvailableAvailability to be confirmedLogin to See Inventory In Stock Limited Availability In Stock Remaining : Will advise Remaining : Will adviseWill adviseContact Customer ServiceContact Customer ServiceContact Customer ServiceContact Customer Service	Fibre carton	25 kg	Retrieving price...Price could not be retrievedMinimum Quantity is a multiple of Maximum Quantity is Upon Order Completion More InformationYou Saved () —Request Pricing Login to See Your Pricing	Check Availability—	Add To FavoritesAdd To Favorites Added To My Favorites
1017509050	Retrieving availability... — Limited Availability In Stock Discontinued Limited Quantities AvailableAvailability to be confirmedLogin to See Inventory In Stock Limited Availability In Stock Remaining : Will advise Remaining : Will adviseWill adviseContact Customer ServiceContact Customer ServiceContact Customer ServiceContact Customer Service	Fibre carton	50 kg	Retrieving price...Price could not be retrievedMinimum Quantity is a multiple of Maximum Quantity is Upon Order Completion More InformationYou Saved () —Request Pricing Login to See Your Pricing	Check Availability—	Add To FavoritesAdd To Favorites Added To My Favorites

Add To CartThe quantity field is empty. Please enter a quantity of 1 or more to add items to your cart.

Description
Catalogue Number	101750
Synonyms	Blanc fixe

Product Information
CAS number	7727-43-7
EC number	231-784-4
Grade	Ph Eur,BP,USP
Hill Formula	BaO₄S
Chemical formula	BaSO₄
Molar Mass	233.39 g/mol
HS Code	2833 27 10
Quality Level	MQ500

Physicochemical Information
Density	3.08 - 3.97 g/cm3 (19.3 °C)
Melting Point	1380 °C
pH value	3.5 - 10.0 (100 g/l, H₂O, 20 °C) suspension
Bulk density	500 kg/m3
Solubility	20000 mg/kg

Safety Information according to GHS
Storage class	10 - 13 Other liquids and solids
WGK	NWG not water endangering
Disposal	14Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

Specifications
Assay	97.5 - 100.5 %
Identity (Barium)	passes test
Identity (Sulfate)	passes test
Substances soluble in acid (Ph Eur)	≤ 0.3 %
Substances soluble in acid (USP)	≤ 0.3 %
Soluble Barium salts (Ph Eur)	≤ 10 ppm
Soluble Barium salts (USP)	≤ 0.001 %
Acidity or alkalinity	passes test
pH (10% aqueous suspension)	3.5 - 10.0
Sulphide (S)	≤ 0.00005 %
Al (Aluminium)	≤ 0.0050 %
Residual solvents (ICH Q3C)	excluded by the production process
Oxidizable Sulfur	passes test
Loss on ignition (at 600 °C)	≤ 2.0 %
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Coprresponds to Ph Eur, BP, USP