Skip to Content
Merck

Key Documents

View All Documentation

1.01748

Barium sulfate

for white standard DIN 5033

Synonym(s):

Barium sulfate, Blanc fixe

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
BaO4S
CAS Number:
7727-43-7
Molecular Weight:
233.39
UNSPSC Code:
12352302
EC Index Number:
231-784-4
NACRES:
NA.24
MDL number:
MFCD00003455
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Segment

100

grade

analytical standard

potency

>20000 mg/kg LD50, oral (Rat)

technique(s)

UV/Vis spectroscopy: suitable

pH

3.5-10.0 (20 °C, 100 g/L in H2O, suspension)

mp

1380 °C

solubility

<0.01 g/L

density

4.5 g/cm3 at 20 °C

bulk density

500 kg/m3

application(s)

food and beverages

storage temp.

no temp limit

SMILES string

[Ba+2].[S](=O)(=O)([O-])[O-]

InChI

1S/Ba.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2

InChI key

TZCXTZWJZNENPQ-UHFFFAOYSA-L

Application

Barium sulfate for use as a white standard in the calibration of colorimeters. For instance, when analyzing the color of the soil to estimate its mineral content.

Features and Benefits

Certificate of Analysis (CoA) includes spectral density reflection factor and standard color values.

Still not finding the right product?

Explore all of our products under Barium sulfate

Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

does not flash

flash_point_c

does not flash

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Soil color analysis for statistically estimating total carbon, total nitrogen and active iron contents in Japanese agricultural soils
Moritsuka, N et al.
Soil Science and Plant Nutrition, 60, 475-485 (2014)

Global Trade Item Number

SKUGTIN
1.01748.025004022536024363