CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Pyrilamine is a viscous brown liquid. (NTP, 1992) |
|---|---|
| Color/Form | OILY LIQUID |
| Boiling Point | 334 to 342 °F at 0.06 mmHg (NTP, 1992) |
| Melting Point | MELTING POINT: 143-143.5 °C /HYDROCHLORIDE/, 100-101 °C /MALEATE/ |
| Solubility | less than 1 mg/mL at 68 °F (NTP, 1992) |
| Density | 1.074 at 70.5 °F (NTP, 1992) - Denser than water; will sink |
| LogP | 3.27 |
| Stability/Shelf Life | STABLE IN AIR /MALEATE/ |
| Refractive Index | INDEX OF REFRACTION: 1.5760-1.5765 @ 25 °C/D |
| Dissociation Constants | 8.85 (at 20 °C) |
| Collision Cross Section | 169.6 Ų [M+H]+ [CCS Type: TW, Method: Major Mix IMS/Tof Calibration Kit (Waters)] |
| Kovats Retention Index | 2228.9 2200 2235 2225 2250 2204 2216.5 2230 2230 2220 2235 2235 |
| Other Experimental Properties | WHITE, CRYSTALLINE POWDER; FAINT ODOR; SOLUTIONS ARE ACID TO LITMUS; MELTS BETWEEN 99 AND 103 °C /MALEATE/ |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 | 285.4 g/mol |
|---|---|
| XLogP3 | 3.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 7 |
| Exact Mass | 285.184112366 g/mol |
| Monoisotopic Mass | 285.184112366 g/mol |
| Topological Polar Surface Area | 28.6 Ų |
| Heavy Atom Count | 21 |
| Formal Charge | 0 |
| Complexity | 277 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Pyrilamine is a viscous brown liquid. (NTP, 1992)

