H C Starck Blue Tungsten Oxide

Identification & Functionality

Chemical Family

Oxides,

Tungsten Compounds

Base Chemicals Functions

Intermediate,

Precursor

Technologies

Base Chemicals & Intermediates

Product Families

Base Chemicals & Intermediates — Technical Salts & Inorganics

Inorganics

Features & Benefits

Labeling Claims

High Purity

Base Chemicals Features

High Reactivity

Applications & Uses

Markets

Industrial

Applications

Industrial — Chemical & Industrial Manufacturing

Chemical Manufacturing

Applicable Processes

Chemicals Production,

Metal Manufacturing

Base Chemicals End Uses

Wires

Properties

Physical Form

Powder,

Solid

Chemical Properties

	Value	Units	Test Method / Conditions
Aluminium Content	max. 5	ppm	-
Arsenic Content	max. 4	ppm	-
Boron Content	max. 3	ppm	-
Carbon Content	max. 30	ppm	-
Chloride Content	max. 10	ppm	-
Fluorine Content	max. 10	ppm	-
Iron Content	max. 5	ppm	-
Molybdenum Content	max. 10	ppm	-
Sodium Content	max. 5	ppm	-
Phosphorus Content	max. 5	ppm	-
Sulfur Content	max. 10	ppm	-
Silicon Content	max. 15	ppm	-
Vanadium Content	max. 5	ppm	-
WO₃ (Calculated)²	min. 99.7	%	-

Physical Properties

	Value	Units	Test Method / Conditions
Apparent Density (Standard Grade)	35 - 55	g/inch³	-
Apparent Density (Ultrafine Grade)	15 - 25	g/inch³	-
Fisher Number (Standard Grade)	15 - 40	μm	-
Fisher Number (Ultrafine Grade)	max. 1.2	μm	-
Standard Grade Sieve Analysis (+250 μm)	max. 1	%	-
Ultrafine Grade Sieve Analysis (+250 μm)	max. 1	%	-

Notes

• ² - Calculated as 100% -  Loss on ignition (750°C/1.5h).

Regulatory & Compliance

Certifications & Compliance

ISO 14001,

ISO 45001,

ISO 50001,

ISO 9001,

REACH (Europe)

Reach Registration

REACh Registration acc. REGULATION (EC) No 1907/2006 dated December 18, 2006
H.C. Starck is taking all necessary actions under REACh in order to continue the supply of its products. All components of the HCST products are registered, pre-registered or exempted from registration.

Packaging & Availability

Packaging Type

Bags

Packaging

• Standard Grade: 150 kg in 60 L steel drum with polyethylene bag.
• Ultrafine Grade: 100 kg in 60 L steel drum with polyethylene bag.

Storage & Handling

Storage and Handling

The user must observe all the relevant safety regulations in force in the country of use. Store in a closed container.