Skip to content
Molekula

Molekula

Disperse Orange 3

CAS 730-40-5 O2NC6H4N=NC6H4NH2 MW 242.23 In stock

Disperse Orange 3 is a synthetic organic dye used primarily in the textile industry for coloring polyester and other synthetic fibers. It is a disperse dye with the chemical formula O2NC6H4N=NC6H4NH2, a molecular weight of 242.23 g/mol, and a CAS number of 730-40-5. It is stable at ambient storage conditions and carries a warning signal word due to potential hazards. Molekula supplies Disperse Orange 3 from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Disperse Orange 3 is a synthetic organic dye used primarily in the textile industry for coloring polyester and other synthetic fibers. It is a disperse dye with the chemical formula O2NC6H4N=NC6H4NH2, a molecular weight of 242.23 g/mol, and a CAS number of 730-40-5. It is stable at ambient storage conditions and carries a warning signal word due to potential hazards. Molekula supplies Disperse Orange 3 from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Red powder
Conclusion Up to the standard.
Strength ≥98%

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months
Acidity Neutral

Identification

Property Value
CAS Number 730-40-5
Molecular Formula O2NC6H4N=NC6H4NH2
Molecular Weight 242.23
REACH Code Y110
Tariff Code 32129000000

Safety & GHS

Warning
  • GHS pictogram — Explosive Explosive GHS01

Hazard statements

  • H315 Causes skin irritation
  • H317 May cause an allergic skin reaction
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P308+313 IF exposed or concerned: Get medical advice/attention

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

  • 5 g

    $96.90 · per pack

  • 25 g

    $226.10 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is Disperse Orange 3 used for?

Disperse Orange 3 is primarily used as a dye in the textile industry, especially for coloring polyester and other synthetic fibers.

What is the chemical formula and molecular weight of Disperse Orange 3?

The formula is O2NC6H4N=NC6H4NH2 with a molecular weight of 242.23 g/mol.

How should Disperse Orange 3 be stored?

It should be stored at ambient temperature, away from moisture and direct sunlight.

What grade of Disperse Orange 3 is available?

Molekula supplies Disperse Orange 3 in technical grade.

Can Molekula supply Disperse Orange 3 in bulk?

Yes, Molekula can supply Disperse Orange 3 in bulk quantities upon request.

What documentation comes with a Disperse Orange 3 order?

Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us what you need and our sales team will come back with pricing and lead times.
Full name
Email
Product
Quantity
Note