Molekula
Phentolamine 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
Phentolamine hydrochloride is a reversible alpha-adrenergic receptor antagonist used in the treatment of hypertension and as a diagnostic agent for pheochromocytoma. It is available in powder form with a molecular formula of C17H19N3O · HCl, a molecular weight of 317.81 g/mol, and a CAS number of 73-05-2. It should be stored at ambient temperatures and carries a warning signal word. Molekula supplies Phentolamine 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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100 mg — £137.20 per pack ex VAT · £164.64 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 | White to grey to yellow cast powder |
| Assay/Purity | <98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90029009 |
| CAS Number | 73-05-2 |
| IUPAC Name | 3-[N-(4,5-dihydro-1H-imidazol-2-ylmethyl)-4-methylanilino]phenol;hydrochloride |
| EC Number | 200-793-5 |
| Molecular Formula | C17H19N3O · HCl |
| Molecular Weight | 317.81 |
| Exact Mass | 317.1295 |
| SMILES | CC1=CC=C(C=C1)N(CC2=NCCN2)C3=CC(=CC=C3)O.Cl |
| InChIKey | TUEJFGFQYKDAPM-UHFFFAOYSA-N |
| InChI | InChI=1S/C17H19N3O.ClH/c1-13-5-7-14(8-6-13)20(12-17-18-9-10-19-17)15-3-2-4-16(21)11-15;/h2-8,11,21H,9-10,12H2,1H3,(H,18,19);1H |
| PubChem CID | 5702144 |
| REACH Code | Y110 |
| HTS Code | 29332990 |
| Tariff Code | 2933299090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- 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
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
- 2-[N-(m-Hydroxyphenyl)-p-toluidinomethyl]imidazoline Hydrochloride
- 3-(((4,5-dihydro-1H-imidazol-2-yl)methyl)(p-tolyl)amino)phenol hydrochloride
- 3-[N-(4,5-dihydro-1H-imidazol-2-ylmethyl)-4-methylanilino]phenol;hydrochloride
- 3-[N-(4,5-dihydro-1H-imidazol-2-ylmethyl)-4-methylanilino]phenol;hydron;chloride
- C17H20ClN3O
- m-(N-(2-Imidazolin-2-ylmethyl)-p-toluidino)phenol monohydrochloride
- Phenol, m-(N-(2-imidazolin-2-ylmethyl)-p-toluidino)-, monohydrochloride
- Phentolamine chloride
- Phentolamine HCl
- Regitine hydrochloride
Frequently asked questions
What is Phentolamine hydrochloride used for?
It is primarily used as an alpha-adrenergic blocker in the treatment of hypertension and as a diagnostic agent for pheochromocytoma.
What is the chemical formula and molecular weight of Phentolamine hydrochloride?
The formula is C17H19N3O · HCl with a molecular weight of 317.81 g/mol.
How should Phentolamine hydrochloride be stored?
It should be stored at ambient temperature, protected from light and moisture.
What grade is available for Phentolamine hydrochloride?
Available in research grade; specific pharmaceutical or USP grades are not currently listed.
Can Molekula supply Phentolamine hydrochloride in bulk?
Yes, Molekula can supply Phentolamine hydrochloride in bulk quantities—please contact sales for details.
What documentation comes with a purchase of Phentolamine hydrochloride?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided 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.