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Antimony Trioxide

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Product Description

PRODUCT

Antimony Trioxide

CAS #

1309-64-4

SYNONYM

Antimonious oxide; Antimony oxide (Sb2O3)

FORMULA

Sb2O3

PRODUCT TYPE

Inorganic

Product Specifications

SULPHUR

Nil

TINTING STRENGTH

High

PB

0.10% Max

COLOR, APHA; ASTM D 1209

White

PARTICLE SIZE (US STD. SIEVE)

(On Avg) <2.0 Microns

MOISTURE(105°C, 2H)

(@ 105°) 0.05% Max

FE

0.02% Max

IMPURITIES:AS

0.06% Max

SB203

99.5% Min

RETAINED ON 300 MESH

0.5%

SOLUBILITY (GRAMS/100 GRAMG WATER) AT 0°C

(in Tartaric) 99.7 % min

ODOR

wh. cubic or orthorhombic cryst., odorless

REFRACTIVE INDEX

2.087

MELTING POINT

655 c

MOLECULAR WEIGHT

291.52

SOLUBILITY

koh, hcl and sulfuric acids, strong alkalis

BOILING POINT

1425 c

DENSITY

5.67

VERY SOLUBLE

in water

NOTES

Antimony Trioxide is used as a flame retardant for textiles, polymers, and coatings. Antimony Trioxide can also be used to opacify glass, ceramics, and various enamels. Antimony Trioxide is also used as a catalyst for the formation of polyethylene terephthalate.

FUNCTIONS

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