58-33-3
Product Name:
Promethazine hydrochloride
Formula:
C17H21ClN2S
Synonyms:
10-[2-(Dimethylamino)propyl]phenothiazine hydrochloride;Promethazine hydrochloride
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Promethazine hydrochloride is an odorless white to faint yellow crystalline powder. Bitter taste. A 10% solution in water has a pH of 3.5-5.0. (NTP, 1992) |
|---|---|
| Melting Point | 446 to 450 °F (decomposes) (NTP, 1992) |
| Solubility | greater than or equal to 100 mg/mL at 72 °F (NTP, 1992) |
| Collision Cross Section | 162.7 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards] |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 ![]() Exclamation Mark Irritant GHS07 ![]() Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H317:Sensitisation, Skin H318:Serious eye damage/eye irritation H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 320.9 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 3 |
| Exact Mass | 320.1113975 g/mol |
| Monoisotopic Mass | 320.1113975 g/mol |
| Topological Polar Surface Area | 31.8 Ų |
| Heavy Atom Count | 21 |
| Formal Charge | 0 |
| Complexity | 298 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Promethazine hydrochloride is an odorless white to faint yellow crystalline powder. Bitter taste. A 10% solution in water has a pH of 3.5-5.0. (NTP, 1992)



