Molekula
2,5-Diaminotoluene
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
2,5-Diaminotoluene is a chemical compound used in the synthesis of dyes, pharmaceuticals, and specialty polymers. It serves as a primary intermediate in permanent oxidation hair dye formulations and as a building block for colorants such as safranine stains and dyes for textiles, paper and leather. It is a white to pale yellow crystalline solid with a molecular formula of C7H10N2 and a molecular weight of 122.1677 g/mol. It is stored at ambient temperature and is classified as a hazardous substance with a signal word of Danger. Molekula supplies 2,5-Diaminotoluene 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.
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 | Pink-purple to brown solid |
| Assay | ≥99% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 64 °C |
| Boiling Point | 273.5 °C |
| Solubility (other solvents) | Soluble in water, ethanol, ethyl ether; slightly soluble in benzene, acetic acid |
| Vapour Pressure | 0.0034 mmHg |
| log P (octanol/water) | 0.16 |
Source: PubChem CID 7252 (HSDB, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 37684756 |
| CAS Number | 95-70-5 |
| IUPAC Name | 2-methylbenzene-1,4-diamine |
| EC Number | 202-442-1 |
| Molecular Formula | C7H10N2 |
| Molecular Weight | 122.1677 |
| Exact Mass | 122.0844 |
| SMILES | CC1=C(C=CC(=C1)N)N |
| InChIKey | OBCSAIDCZQSFQH-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H10N2/c1-5-4-6(8)2-3-7(5)9/h2-4H,8-9H2,1H3 |
| PubChem CID | 7252 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29215990 |
| Tariff Code | 2921599090 |
Safety & GHS
-
Toxic
GHS06
-
Hazardous to the Environment
GHS09
Hazard statements
- H301 Toxic if swallowed
- H312 Harmful in contact with skin
- H317 May cause an allergic skin reaction
- H332 Harmful if inhaled
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- 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
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- 1,4-Benzenediamine, 2-methyl-
- 2-Methyl-p-phenylenediamine
- 2,5-Toluenediamine
- 4-Amino-2-methylaniline
- p-Toluenediamine
- p-Toluylendiamine
- para-Toluenediamine
- para-Tolylenediamine
- Toluene-2,5-diamine
- Toluylene-2,5-diamine
Frequently asked questions
What is 2,5-Diaminotoluene used for?
It is primarily used as an intermediate in the synthesis of dyes, pigments, and pharmaceuticals.
What is the chemical formula and molecular weight of 2,5-Diaminotoluene?
The formula is C7H10N2 with a molecular weight of 122.1677 g/mol.
How should 2,5-Diaminotoluene be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available for 2,5-Diaminotoluene?
Available in technical grade; custom purity options may be available upon request.
Can Molekula supply 2,5-Diaminotoluene in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with a purchase of 2,5-Diaminotoluene?
Each order includes a Certificate of Analysis (CoA) 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.