Molekula
Promethazine 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
Promethazine hydrochloride is a phenothiazine antihistamine used in the treatment of allergic reactions, nausea, and vomiting. It acts as a central nervous system depressant and is also used for sedation and antiemetic purposes. Available in powder form with a molecular weight of 320.88 g/mol, it has a CAS number of 58-33-3 and a molecular formula of C17H20N2S · HCl. Store at 2 to 8 °C. Hazard symbol: Danger. Molekula supplies Promethazine 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
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 | White to faint yellow powder |
| Melting Point | approximately 222°C (dec.) |
| Grade | BP2010/ USP35 |
| Heavy metals | ≤ 10ppm |
| pH | (10% aq. w/v) 4.0 - 5.0 |
| Loss on Drying | ≤ 0.5% (105°C) |
| Assay | 99.0 - 101.0% |
| Sulphated Ash | ≤ 0.1% |
| Identification (IR) | Conforms to Reference |
| Identification (HPLC) | Retention times conform to reference standard |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 22379819 |
| CAS Number | 58-33-3 |
| IUPAC Name | N,N-dimethyl-1-phenothiazin-10-ylpropan-2-amine;hydrochloride |
| EC Number | 200-375-2 |
| Molecular Formula | C17H20N2S · HCl |
| Molecular Weight | 320.88 |
| Exact Mass | 320.1114 |
| SMILES | CC(CN1C2=CC=CC=C2SC3=CC=CC=C31)N(C)C.Cl |
| InChIKey | XXPDBLUZJRXNNZ-UHFFFAOYSA-N |
| InChI | InChI=1S/C17H20N2S.ClH/c1-13(18(2)3)12-19-14-8-4-6-10-16(14)20-17-11-7-5-9-15(17)19;/h4-11,13H,12H2,1-3H3;1H |
| PubChem CID | 6014 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| HTS Code | 2934.30.2700 |
| Tariff Code | 2934309090 |
Safety & GHS
-
Corrosive
GHS05
-
Toxic
GHS06
-
Health Hazard
GHS07
-
Hazardous to the Environment
GHS09
Hazard statements
- H301 Toxic if swallowed
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H332 Harmful if inhaled
- H335 May cause respiratory irritation
- H411 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+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
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
- Diprasine
- Fellozine
- Ganphen
- Plletia
- Prometh Fortis
- Prometh Plain
- Promethacon
- Promethazine Hcl
- Promethegan
- Remsed
Frequently asked questions
What is Promethazine hydrochloride used for?
Promethazine hydrochloride is primarily used as an antihistamine and antiemetic in pharmaceutical applications, commonly for treating allergies, nausea, and motion sickness.
What is the chemical formula and molecular weight of Promethazine hydrochloride?
The formula is C17H20N2S · HCl with a molecular weight of 320.88 g/mol.
How should Promethazine hydrochloride be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade of Promethazine hydrochloride does Molekula supply?
Molekula supplies Promethazine hydrochloride in pharmaceutical grade, suitable for research and pharmaceutical manufacturing.
Can Molekula supply Promethazine hydrochloride in bulk?
Yes, Molekula can supply Promethazine hydrochloride in bulk quantities—please contact us for pricing and availability.
What documentation comes with a purchase of Promethazine 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.