Molekula
m-Phenylenediamine
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
m-Phenylenediamine is a chemical compound used in the synthesis of dyes, rubber chemicals, and pharmaceuticals. It also serves as a curing agent for epoxy resins in adhesives and laminates, and as a monomer for heat-resistant meta-aramid fibers used in protective clothing. It is a white to light yellow crystalline solid with a molecular formula of C6H8N2 and a molecular weight of 108.14 g/mol. It has a CAS number of 108-45-2 and should be stored at ambient temperatures. It is classified as a hazardous substance with a signal word of Danger. Molekula supplies m-Phenylenediamine 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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
1 kg — £73.20 per pack ex VAT · £87.84 inc. VAT
Need a different quantity or pack?
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 | Grey-brown pastilles or molten |
| Melting Point | >61.5°C |
| Assay | >99.5% |
| High Boiling Component | <0.1% |
| Low boiling matter | <0.1% |
| PPD | <0.2% |
| OPD | <0.2% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 175 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White crystals becoming red on exposure to air |
| Melting Point | 62-63 °C |
| Boiling Point | 284-287 °C |
| Density | 1.0096 g/cm³ at 58 °C |
| Water Solubility | 238 g/L at 20 °C |
| Vapour Pressure | 133 Pa at 99.8 °C |
| Refractive Index | 1.6339 |
| pKa | pKa = 4.98 |
| log P (octanol/water) | -0.33 |
Source: PubChem CID 7935 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 13219509 |
| CAS Number | 108-45-2 |
| IUPAC Name | benzene-1,3-diamine |
| EC Number | 203-584-7 |
| Molecular Formula | C6H8N2 |
| Molecular Weight | 108.14 |
| Exact Mass | 108.0687 |
| SMILES | C1=CC(=CC(=C1)N)N |
| InChIKey | WZCQRUWWHSTZEM-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H8N2/c7-5-2-1-3-6(8)4-5/h1-4H,7-8H2 |
| PubChem CID | 7935 |
| UN Number | UN1673 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2921.51.3000 |
| Tariff Code | 2921511990 |
Safety & GHS
-
Toxic
GHS06
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
-
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
- H341 Suspected of causing genetic defects
- 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+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
- P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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
- 1,3-Diaminobenzene
- 1,3-Phenylenediamine
- 3-Aminoaniline
- 3-Phenylenediamine
- benzene-1,3-diamine
- Developer 11
- Developer C
- m-Aminoaniline
- m-Diaminobenzene
- meta-Phenylenediamine
Frequently asked questions
What is m-Phenylenediamine used for?
It is primarily used in the synthesis of dyes, pigments, and rubber chemicals, and as an intermediate in pharmaceuticals.
What is the chemical formula and molecular weight of m-Phenylenediamine?
The formula is C6H8N2 with a molecular weight of 108.14 g/mol.
How should m-Phenylenediamine be stored?
Store at ambient temperature, away from oxidizing agents and moisture, in a tightly closed container.
What grade of m-Phenylenediamine does Molekula supply?
We supply technical grade; custom grades available upon request.
Can Molekula supply m-Phenylenediamine in bulk?
Yes, we offer bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with an order of m-Phenylenediamine?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) upon request.
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.