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Diantimony trioxide CAS#1309-64-4

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Chemical Name：Diantimony trioxide

CAS No.:1309-64-4

Molecular Formula:O3Sb2

Molecular weight:291.52

Sample: Available

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Product Details

Products Description of Diantimony trioxide CAS#1309-64-4

Antimony trioxide is an inorganic compound with the chemical formula Sb2O3. The natural product is called antimony white, commonly known as antimony white. It is a white crystalline powder with a melting point of 655℃ and a boiling point of 1550℃. It is soluble in concentrated hydrochloric acid, sulfuric acid, alkaline solution and hot tartaric acid solution, slightly soluble in water, dilute nitric acid and dilute sulfuric acid. It is mainly used as a pigment, flame retardant, mordant, catalyst, and can also be used to synthesize antimony salts.

On October 27, 2017, the World Health Organization's International Agency for Research on Cancer published a preliminary list of carcinogens for reference, and antimony trioxide is on the list of Class 2B carcinogens.

Diantimony trioxide Chemical Properties

Melting point	655 °C (lit.)
Boiling point	1550 °C (lit.)
density	5.20
vapor pressure	13.3 hPa (660 °C)
Fp	1550°C subl.
storage temp.	Store below +30°C.
solubility	2.70mg/l
form	powder
color	White
Specific Gravity	5.67
Odor	wh. cubic or orthorhombic cryst., odorless
Water Solubility	Slightly soluble. <0.1 g/100 mL at 20 ºC
Merck	14,711
Exposure limits	ACGIH: TWA 0.5 mg/m3 NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3
Stability:	Stable.
InChIKey	MUBFITUCTVFSOJ-UHFFFAOYSA-L
CAS DataBase Reference	1309-64-4(CAS DataBase Reference)
NIST Chemistry Reference	Antimony trioxide(1309-64-4)
IARC	2B (Vol. 47) 1989
EPA Substance Registry System	Antimony trioxide (1309-64-4)

Safety Information

Hazard Codes	Xn,Xi,T
Risk Statements	40-61
Safety Statements	22-36/37-45-53
RIDADR	1549
WGK Germany	2
RTECS	CC5650000
Hazard Note	Irritant
TSCA	Yes
HazardClass	6.1
PackingGroup	III
HS Code	28258000
Hazardous Substances Data	1309-64-4(Hazardous Substances Data)
Toxicity	LD50 orally in rats: >20 g/kg (Smyth)

Product Application of Diantimony trioxide CAS#1309-64-4

Excellent inorganic white pigment, mainly used for coloring paints. Used as flame retardant for various resins, synthetic rubber, canvas, paper, coatings, etc., and catalyst for petrochemicals and synthetic fibers. Used to make mordants and opacifiers, and is the raw material for synthesizing antimony salts. Used in the enamel industry to increase the opacity and surface gloss of enamel. Used in the glass industry as a decolorizer to replace arsenous acid.

Used as flame retardant for various resins, synthetic rubber, canvas, paper, coatings, etc., and catalyst for petrochemicals and synthetic fibers. Used to make mordants and opacifiers, and is the raw material for synthesizing antimony salts. Used as an additive in the enamel industry to increase the opacity and surface gloss of enamel. Used in the glass industry as a decolorizer to replace arsenous acid. Medicine, metallurgy, military industry, etc.

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