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Barium sulfateCAS#7727-43-7

Chemical Name：Barium sulfate

CAS No.:7727-43-7

Appearance: White Powder

Molecular Formula：BaO4S

Molecular weight:233.39

Sample: Available

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Product Details

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

Barium sulfate industrial product purity ≥ 99%, white crystalline powder, odorless. Melting point 1580℃, boiling point decomposes at high temperature. Vapor pressure negligible (25℃), relative density 4.50 (20℃). Solubility in water: almost insoluble, insoluble in most acids, bases and organic solvents. Stable, incompatible with strong reducing agents under high temperature.

Barium sulfate Chemical Properties

Melting point	1580 °C
Boiling point	decomposes at 1580℃ [KIR78]
density	4.5
bulk density	500kg/m3
storage temp.	Storage temperature: no restrictions.
solubility	water: insoluble
form	powder
color	White to yellow
Specific Gravity	4.5
PH Range	7
Odor	wh. or ylsh. fine powd. free from grittiness, odorless, tasteless
PH	3.5-10.0 (100g/l, H2O, 20℃)suspension
Water Solubility	0.0022 g/L (50 ºC)
Crystal Structure	Barite
crystal system	Nogata
Merck	14,994
Solubility Product Constant (Ksp)	pKsp: 9.97
Space group	Pnma
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/m3 OSHA: TWA 15 mg/m3; TWA 5 mg/m3 NIOSH: TWA 10 mg/m3; TWA 5 mg/m3
Stability:	Stable.
Cosmetics Ingredients Functions	COLORANT OPACIFYING
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	TSCA listed
HS Code	28332700
Hazardous Substances Data	7727-43-7(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: > 20000 mg/kg

Product Application of Barium sulfateCAS#7727-43-7

Barium sulfate (BaSO4), as mentioned, is used in medicine as an opaque liquid medium to block X-rays when ingested, thus providing an image of ulcers and intestinal problems. It is also used in the manufacture of paints, rubber, and plastics.

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