Molekula
1,4-Phenylenediamine dihydrochloride
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
1,4-Phenylenediamine dihydrochloride is a chemical intermediate used primarily in the synthesis of dyes and polymers. It also serves as a developing agent in black-and-white and color photographic processing, as an analytical reagent for testing milk, blood and hydrogen sulfide, and as an antioxidant. This compound has the CAS number 624-18-0, a molecular formula of C6H4(NH2)2·2HCl, and a molecular weight of 181.06. It is stored at ambient temperatures and carries a danger signal word. Molekula supplies 1,4-Phenylenediamine dihydrochloride 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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100 g — $180.50 per pack
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Specifications
| Property | Value |
|---|---|
| Appearance | White to Off-white powder |
| Assay/Purity | ≥99% |
| Ash | ≤0.1% |
| Moisture | ≤0.5% |
| Iron (Fe) | ≤40ppm |
| Identification (IR) | Conforms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White to slightly reddish crystals |
| Melting Point | 275 °C |
| pKa | pKa = 6.2 |
Source: PubChem CID 12205 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90031377 |
| CAS Number | 624-18-0 |
| IUPAC Name | benzene-1,4-diamine;dihydrochloride |
| EC Number | 210-834-9 |
| Molecular Formula | C6H10Cl2N2 |
| Molecular Weight | 181.06 |
| Exact Mass | 180.0221 |
| SMILES | C1=CC(=CC=C1N)N.Cl.Cl |
| InChIKey | IYXMNTLBLQNMLM-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H8N2.2ClH/c7-5-1-2-6(8)4-3-5;;/h1-4H,7-8H2;2*1H |
| PubChem CID | 12205 |
| UN Number | UN1673 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2921.51.5000 |
| Tariff Code | 2921511990 |
Safety & GHS
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Toxic
GHS06
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Hazardous to the Environment
GHS09
Hazard statements
- H301 + H311 + H331 Toxic if swallowed, in contact with skin or if inhaled
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P302+P352 IF ON SKIN: Wash with soap and water
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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
- 1,4-Benzenediamine dihydrochloride
- 1,4-DIAMINOBENZENE DIHYDROCHLORIDE
- benzene-1,4-diamine dihydrochloride
- Durafur Black RC
- Fourrine 64
- Fourrine DS
- p-PD HCl
- p-Phenylenediamine dihydrochloride
- p-Phenylenediamine HCl
- Pelagol Grey CD
Frequently asked questions
What is 1,4-Phenylenediamine dihydrochloride used for?
It is primarily used as an intermediate in the synthesis of dyes, pigments, and various specialty chemicals.
What are the chemical formula and molecular weight of this product?
The chemical formula is C6H4(NH2)2·2HCl and the molecular weight is 181.06 g/mol.
How should 1,4-Phenylenediamine dihydrochloride be stored?
This product should be stored at ambient temperature.
Can Molekula supply this product in bulk?
Yes, Molekula can provide 1,4-Phenylenediamine dihydrochloride in bulk quantities to meet your specific project requirements.
What documentation comes with the order?
Each order is supplied with a Certificate of Analysis (CoA) and a Safety Data Sheet (SDS).
What is the CAS number for this product?
The CAS number for 1,4-Phenylenediamine dihydrochloride is 624-18-0.
Ready to order or need a custom pack?
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