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Molekula

Molekula

3,3'-Dimethoxybenzidine hydrochloride hydrate (o-Dianisidine dihydrochloride)

SKU 32361197 CAS 20325-40-0 C14H16N2O2 · 2HCl MW 317.21 Made to order

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch

3,3'-Dimethoxybenzidine hydrochloride hydrate, also known as o-Dianisidine dihydrochloride, is a chemical intermediate primarily used in dye manufacturing, particularly for azo dyes, and in analytical chemistry for colorimetric assays. It is a crystalline solid with applications in staining and research due to its chromogenic properties. This product has a CAS number of 20325-40-0, a molecular formula of C14H16N2O2 · 2HCl, and a molecular weight of 317.21 g/mol. It is stored at ambient conditions but requires careful handling, as it carries a **Danger** signal word due to its hazardous nature. Molekula supplies 3,3'-Dimethoxybenzidine hydrochloride hydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Overview

3,3'-Dimethoxybenzidine hydrochloride hydrate, also known as o-Dianisidine dihydrochloride, is a chemical intermediate primarily used in dye manufacturing, particularly for azo dyes, and in analytical chemistry for colorimetric assays. It is a crystalline solid with applications in staining and research due to its chromogenic properties. This product has a CAS number of 20325-40-0, a molecular formula of C14H16N2O2 · 2HCl, and a molecular weight of 317.21 g/mol. It is stored at ambient conditions but requires careful handling, as it carries a **Danger** signal word due to its hazardous nature. Molekula supplies 3,3'-Dimethoxybenzidine hydrochloride hydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Pricing & pack sizes

Pack sizes & pricing

  • 25 g £173.20 per pack

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

Specifications

Property Value
Appearance Solid
Identification (RAMAN) Conforms to Reference

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 8
Packing Group II
Acidity Acid

Identification

Property Value
SKU 32361197
CAS Number 20325-40-0
Molecular Formula C14H16N2O2 · 2HCl
Molecular Weight 317.21
SMILES COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N)OC)N.Cl.Cl
EC / UN Number 3261
REACH Code Y110
TSCA Listed Yes
HTS Code 29222981
Tariff Code 2922290090

Safety & GHS

Danger
  • GHS pictogram — Corrosive Corrosive GHS05
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08

Hazard statements

  • H302 Harmful if swallowed
  • H314 (sub cat. 1A) Causes severe skin burns and eye damage
  • H318 Causes serious eye damage
  • H350 May cause cancer

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
  • 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

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.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is 3,3'-Dimethoxybenzidine hydrochloride hydrate (o-Dianisidine dihydrochloride) commonly used for?

It is primarily used as a dye intermediate, particularly in the production of azo dyes for textiles, leather, and plastics, as well as in analytical chemistry for staining applications.

What is the chemical formula and molecular weight of this compound?

The formula is **C14H16N2O2 · 2HCl**, and the molecular weight is **317.21 g/mol**.

How should this product be stored?

Store at **ambient temperature** in a cool, dry place, away from incompatible substances and moisture. Ensure proper ventilation.

What purity grades or forms (e.g., solid, liquid) are available for this product?

Molekula supplies this product in **solid powder form** with a purity grade of **≥97% (HPLC)** unless otherwise specified.

Can Molekula supply this product in bulk quantities?

Yes, we offer bulk quantities of 3,3'-Dimethoxybenzidine hydrochloride hydrate upon request, subject to availability and regulatory compliance.

What documentation is provided with each order of this product?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and a **technical data sheet** detailing specifications and handling instructions.

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.

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