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Iron Oxide Red

Iron Oxide Red
CAS No.: 1309-37-1
Molecular Formula: Fe2O3
Molecular Weight: 159.69
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+86 18765828098
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Product Introduction

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.


CHEMICAL PROPERTIES

PropertyValue
Melting point1538°C
Density5.24
Fp>230 °F
Storage temp.2-8°C
SolubilityIt is soluble In Warm Hydrochloric Acid, Slightly Soluble in Sulfuric Acid.
FormPieces
ColorBlack
Specific Gravity5.1~5.2
PH3.7±0.3
Water SolubilityINSOLUBLE
Crystal StructureCorundum type
crystal systemThree sides
Merck144,028
Space groupR3c
Lattice constanta/nmb/nmc/nmα/oβ/oγ/oV/nm30.502590.502591.373590901200.3005
Exposure limitsACGIH: 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 Reference1309-37-1(CAS DataBase Reference)
NIST Chemistry ReferenceIron(iii) oxide(1309-37-1)
IARC3 (Vol. 1, Sup 7) 1987
EPA Substance Registry SystemFerric oxide (1309-37-1)


SAFETY INFORMATION

PropertyValue
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

Iron Oxide Red is a high-performance inorganic red pigment with excellent lightfastness, weather resistance, acid and alkali resistance, and high hiding power. In the construction industry, it is widely used for coloring colored cement, colored paving bricks, roof tiles, and wall coatings, imparting a durable red hue to materials without fading or powdering. In the coatings industry, it is used in anti-rust paints, marine paints, and industrial protective coatings, not only providing decorative color but also enhancing the anti-corrosion properties of the coating film. In plastics and rubber, it is used to color various products such as agricultural films, pipes, and shoe soles, offering good dispersibility and thermal stability. Additionally, it plays important roles in ceramic glazes, inks, cosmetics (e.g., eyeshadows, blushes), and environmentally friendly colored sands. Its advantages include safety, non-toxicity, low cost, and excellent chemical stability.

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FAQ

Q: Are you a factory or a trading company?

A: We are a company integrating manufacturing and trading.

Q: Can you provide samples for testing before mass production?

A: Of course. We can send you samples free of charge, and we also include a COA. However, you will be responsible for the shipping fee.

Q: How can I get an accurate quote?

A: Please provide the exact product specifications, particle size, color, and intended use, and we will provide you with an accurate quote.

Q: Can you provide a COA?

A: Of course, but only for standard products. If you require an accurate COA, we will produce and test samples before providing you with an accurate COA.

Q: Do you accept ODM or OEM services?

A: Yes, we offer customized services for ingredients, packaging, and labeling. We have strong design capabilities. Please contact us to design your own brand.

Q: Can I visit your factory before placing a large order?

A: Of course. We welcome you at any time.

Q: What is the loading port?

A: Usually Qingdao or Tianjin.

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