Molekula
4-Methylphenylhydrazine hydrochloride
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
4-Methylphenylhydrazine hydrochloride is a hydrazine derivative used in organic synthesis, particularly in the preparation of dyes, pharmaceuticals, and agrochemicals. It is a crystalline solid with a molecular weight of 158.63 g/mol, formulated as CH3C6H4NHNH2 · HCl, and identified by CAS number 637-60-5. Store at ambient temperature. Handle with care due to its hazardous nature. Molekula supplies 4-Methylphenylhydrazine hydrochloride 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.
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25 g — £26.30 per pack ex VAT · £31.56 inc. VAT
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100 g — £52.90 per pack ex VAT · £63.48 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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 26758879 |
| CAS Number | 637-60-5 |
| IUPAC Name | (4-methylphenyl)hydrazine;hydrochloride |
| Molecular Formula | CH3C6H4NHNH2 · HCl |
| Molecular Weight | 158.63 |
| Exact Mass | 158.0611 |
| SMILES | CC1=CC=C(C=C1)NN.Cl |
| InChIKey | HMHWNJGOHUYVMD-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H10N2.ClH/c1-6-2-4-7(9-8)5-3-6;/h2-5,9H,8H2,1H3;1H |
| PubChem CID | 12504 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29280025 |
| Tariff Code | 2928009090 |
Safety & GHS
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Toxic
GHS06
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Serious Health Hazard
GHS08
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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
- H350 May cause cancer
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- 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
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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
- 4-Methylphenylhydrazine monohydrochloride
- 4-methylphenylhydrazine, chloride
- 4-Tolylhydrazine Monohydrochloride
- Hydrazine, (4-methylphenyl)-, hydrochloride (1:1)
- Hydrazine, (4-methylphenyl)-, monohydrochloride
- HYDRAZINE, p-TOLYL-, HYDROCHLORIDE
- P-METHYLPHENYLHYDRAZINE HCL
- p-Tolylhydrazine hydrochloride
- p-Tolylhydrazine xhydrochloride
- p-Tolylhydrazinium(1+) chloride
Frequently asked questions
What is 4-Methylphenylhydrazine hydrochloride used for?
It is primarily used as an intermediate in the synthesis of dyes, pharmaceuticals, and other organic compounds.
What is the chemical formula and molecular weight?
The formula is CH3C6H4NHNH2 · HCl with a molecular weight of 158.63 g/mol.
How should it be stored?
Store at ambient temperature in a dry, well-ventilated area away from incompatible materials.
What grade is available?
Available in technical grade; custom purity options may be available upon request.
Can Molekula supply it in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
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.