Molekula
3,3'-Diaminobenzidine tetrahydrochloride hydrate 97%
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
3,3'-Diaminobenzidine tetrahydrochloride hydrate (DAB) is a high-purity chemical primarily used in biochemical research for peroxidase substrate applications, particularly in immunohistochemistry and Western blotting. It serves as a chromogenic substrate for detecting horseradish peroxidase (HRP) activity, producing a brown precipitate upon reaction. This product has a CAS number of 868272-85-9, with the molecular formula (NH2)2C6H3C6H3(NH2)2·4HCl·xH2O and an anhydrous molecular weight of 360.11. It requires storage at -15 to -20°C and carries a **Danger** signal word due to its hazardous nature. Molekula supplies 3,3'-Diaminobenzidine tetrahydrochloride hydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to red or purple powder |
| Water | <12% |
| Purity (HPLC) | 97.0% min |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Transport Class | 9 |
| Packing Group | III |
Identification
| Property | Value |
|---|---|
| SKU | 90030014 |
| CAS Number | 868272-85-9 |
| IUPAC Name | 4-(3,4-diaminophenyl)benzene-1,2-diamine;hydrate;tetrahydrochloride |
| Molecular Formula | (NH2)2C6H3C6H3(NH2)2·4HCl·xH2O |
| Molecular Weight | 360.11 (Anhydrous) |
| Exact Mass | 378.0362 |
| SMILES | C1=CC(=C(C=C1C2=CC(=C(C=C2)N)N)N)N.O.Cl.Cl.Cl.Cl |
| InChIKey | DXWSCXIZIHILNP-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H14N4.4ClH.H2O/c13-9-3-1-7(5-11(9)15)8-2-4-10(14)12(16)6-8;;;;;/h1-6H,13-16H2;4*1H;1H2 |
| PubChem CID | 16211746 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| Tariff Code | 29215990 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H319 Causes serious eye irritation
- H341 Suspected of causing genetic defects
- H350 May cause cancer
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- 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
- [1,1'-Biphenyl]-3,3',4,4'-tetraamine tetrahydrochloride hydrate
- 3,3 inverted exclamation marka-Diaminobenzidine tetrahydrochloride hydrate
- 3,3-Diaminobenzidine (DAB) tetrahydrochloride
- 3,3'-DIAMINOBENZIDINE TETRAHCL HYDRATE
- 3,3'-Diaminobenzidine tetrahydrochloride hydrate, ISOPAC(R)
- 4-(3,4-Diaminophenyl)benzene-1,2-diamine tetrahydrochloride hydrate
- 4-(3,4-diaminophenyl)benzene-1,2-diamine;hydrate;tetrahydrochloride
- C12H20Cl4N4O
- DAB
- DXWSCXIZIHILNP-UHFFFAOYSA-N
Frequently asked questions
What is 3,3'-Diaminobenzidine tetrahydrochloride hydrate primarily used for?
This compound is primarily used as a substrate in histochemistry and immunohistochemistry for detecting peroxidase activity, particularly in tissue staining.
What is the chemical formula and molecular weight of this product?
The formula is **(NH₂)₂C₆H₃C₆H₃(NH₂)₂·4HCl·xH₂O**, and the anhydrous molecular weight is **360.11 g/mol**.
How should this product be stored?
Store at **-15 to -20°C** to maintain stability and prevent degradation.
What purity grade is available for this product?
Molekula supplies this product at **97% purity** as specified.
Can Molekula supply this product in bulk quantities?
Yes, bulk quantities are available upon request—please contact our sales team for custom packaging and pricing.
What documentation comes with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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.