murphyBarium Sulfate
AKA: 7727-43-7, Baritop, Barium sulphate, Barosperse, Esophotrast, Macropaque, Micropaque, Microtrast, Radiobaryt
Synthetic
Colorant
Not Clean
OriginBarium sulfate is a naturally occurring mineral compound found in the earth as the mineral barite. It is purified and processed from mined barite ore through grinding, washing, and calcination methods.
Barium sulfate is an inorganic compound with the chemical formula BaSO4. Barium sulfate occurs in nature as the mineral barite. It is also used in various manufacturing applications and mixed into heavy concrete to serve as a radiation shield. This drug is used as a contrast agent in diagnostic x-ray procedures. Therapeutic advantages of barium sulfate in diagnostic procedures include both its low water solubility and high level of clearance from the body. Barium sulfate is ingested by mouth or administered rectally and combined with granules of effervescent bicarbonate to enhance distension of the GI tract, allowing for enhanced gastrointestinal tract visualization,.
Solubility 0.0002 % at 64 °F (NIOSH, 2024)
Formula
BaO4S
Mol. Weight
233.39
CAS #
7727-43-7
Form
Powder
State
Barium sulfate appears as white or yellowish odorless powder or small crystals. Mp: 1580 °C (with decomposition). Density: 4.25 -4.5 g cm-3. Insoluble in water, dilute acids, alcohol. Soluble in hot c
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Colorant
Gives the product its color. Purely aesthetic — makes the formula look good in the jar but does nothing for your skin.
Opacifying
Adds Color
Adds Opacity
Adds color to product
Creates creamy opacity
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
1 study / 1 not sensitizing (CIR 676)
Concentration Guide
Leave-on0.001–37%
Rinse-off0.0035–0.99%
0%50%100%
CIR reported use · 2013 survey
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR