Iron Oxide Red#1309-37-1

Iron Oxide Red#1309-37-1

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Iron Oxide Red#1309-37-1
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Chemical Name: Iron Oxide Red
CAS No.:1309-37-1
Molecular Formula:Fe2O3
Sample: Available
Mode of Transportation
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Product Description


Iron Oxide Red#1309-37-1

Iron oxides are produced synthetically and consist essentially of anhydrous and/or hydrated iron oxides.  The range of hues includesyellows, reds, browns and blacks.  Food quality iron oxides are primarily distinguished from technical grades by the comparatively low levels of contamination by other metals.

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Ferric oxide Chemical Properties

Melting point

1538°C

density

5.24

Fp

>230 °F

storage temp.

2-8°C

solubility

It is soluble In Warm Hydrochloric Acid, Slightly Soluble in Sulfuric Acid.

form

pieces

color

black

Specific Gravity

5.1~5.2

PH

3.7±0.3

Water Solubility

INSOLUBLE

Crystal Structure

Corundum type

crystal system

Three sides

Merck

14,4028

Space group

R3c

Lattice constant

a/nmb/nmc/nmα/oβ/oγ/oV/nm30.502590.502591.373590901200.3005

Exposure limits

ACGIH: TWA 5 mg/m3OSHA: TWA 10 mg/m3; TWA 15 mg/m3; TWA 5 mg/m3NIOSH: IDLH 2500 mg/m3; TWA 5 mg/m3

Stability:

Stable.

CAS DataBase Reference

1309-37-1(CAS DataBase Reference)

NIST Chemistry Reference

Iron(iii) oxide(1309-37-1)

IARC

3 (Vol. 1, Sup 7) 1987

EPA Substance Registry System

Ferric oxide (1309-37-1)


Safety Information

Hazard Codes

Xi

Risk Statements

36/37/38

Safety Statements

26

OEB

B

OEL

TWA: 5 mg/m3

WGK Germany

-

RTECS

NO7400000

TSCA

Yes

HS Code

28211000

Hazardous Substances Data

1309-37-1(Hazardous Substances Data)

IDLA

2,500 mg Fe/m3


Product Usage

Red iron oxide (Fe2O3) is an inorganic pigment of either natural or synthetic origin. It is a low chroma red with excellent durability and low cost. Synthetic pigment is made by heating iron sulfate with quicklime in a furnace. The second preparatory technique involves calcining iron sulfate in the presence of air at high temperatures. Natural and oxides of iron are mined either as the mineral hematite (Fe2O3) or as hematite in its hydrated form.


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