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Barium sulfate CAS#7727-43-7

Odourless and Tasteless Properties‌：Ensures user comfort and safety in applications where sensory characteristics are critical.

‌Stability Under Various Conditions‌：Maintains integrity in diverse environments due to its chemical inertness.

Insolubility in Water‌：Provides resistance to dissolution, making it suitable for use in aqueous systems without degradation.

Polymorphous Crystal Forms Availability‌：Offers versatility in physical form for tailored industrial or medical applications.

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Product Description

Product Description of ‌Barium sulfate CAS#7727-43-7

Barium sulfate is an odorless, tasteless white-to-yellowish solid, chemically stable and nearly insoluble in water. It releases sulfur oxides when burned.

Product Application of Barium sulfate CAS#7727-43-7

Barium sulfate acts as an X-ray contrast agent for gastrointestinal imaging, and is widely applied in paints, rubber and plastics production.

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Product Information

Parameters

Melting point	1580 °C
Boiling point	decomposes at 1580℃ [KIR78]
bulk density	500kg/m3
density	4.5
storage temp.	Storage temperature: no restrictions.
solubility	water: insoluble
form	powder
color	White to yellow
Specific Gravity	4.5
Odor	wh. or ylsh. fine powd. free from grittiness, odorless, tasteless
PH	3.5-10.0 (100g/l, H2O, 20℃)suspension
PH Range	7
Water Solubility	0.0022 g/L (50 ºC)
Crystal Structure	Barite
crystal system	Nogata
Merck	14,994
Space group	Pnma
Solubility Product Constant (Ksp)	pKsp: 9.97
Lattice constant	a/nmb/nmc/nmα/oβ/oγ/oV/nm30.89090.54670.7188909090
Dielectric constant	11.4（16.0℃）
Exposure limits	ACGIH: TWA 5 mg/m3OSHA: TWA 15 mg/m3; TWA 5 mg/m3NIOSH: TWA 10 mg/m3; TWA 5 mg/m3
Stability:	Stable.
LogP	-1.031 (est)
CAS DataBase Reference	7727-43-7(CAS DataBase Reference)
EPA Substance Registry System	Barium sulfate (7727-43-7)

Safety Information

Hazard Codes	Xn
Risk Statements	20/21/22-36/37/38
Safety Statements	22-24/25-36-26
OEB	B
OEL	TWA: 10 mg/m3 (total)
WGK Germany	-
RTECS	CR0600000
TSCA	Yes
HS Code	28332700
Hazardous Substances Data	7727-43-7(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: > 20000 mg/kg

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