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Merck

1.01748

Barium sulfate

for white standard DIN 5033

Synonym(s):

Barium sulfate, Blanc fixe

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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

Key Documents

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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

Quality Level

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

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Related Categories

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.

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’.

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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

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