HDEP-28 Crystal


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Product information

IUPAC-name      Ethyl (naphthalen-2-yl)(piperidin-2-yl)acetate monohydrochloride

Synonyms        HDEP-28, Ethylnaphthidate

Formal name      rel-ethyl (R)-2-(naphthalen-2-yl)-2-((R)-piperidin-2-yl)acetate, monohydrochloride

Cas number      2170529-69-6

Formula             C19H23NO2 • HCl

Formula Weight       333.9

Formulation      Neat Solid

Purity                 98.0 % min.
Appearance       Neat Solid


  • DMF: >8 mg/ml
  • DMSO: >16 mg/ml
  • Ethanol: >25 mg/ml
  • Water: >25 mg/ml
Shipping & Storage Information
Storage  -20°C
Shipping  Room Temperature in continental US; may vary elsewhere
Stability   ≥ 2 years

HDEP-28 is an analytical reference compound that is categorically structured as an amphetamine. It is considered a piperidine based stimulant compound that is closely related to ethylphenidate. The only difference is the benzene ring replaced by naphthalene. HDEP-28 is even more closely related to HDMP-28 acting as a potent serotonin-norepinephrine-dopamine reuptake inhibitor with a number of times the potency of methylphenidate.

Not much is known about the pharmacological and toxicological properties of HDEP-28. Usage of this Chemical should be for research and forensic purposes only.


WARNING This product is not for human or veterinary use.

This product is only available to persons of 21 years old and above.
Hazard statement(s)
H302 Harmful if swallowed
H315 Causes skin irritation
H319 Causes serious eye irritation
H332 Harmful if inhaled
H335 May cause respiratory irritation
H336 May cause drowsiness or dizziness
Precautionary statement(s)
P264 Wash hands thoroughly after handling
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. Continue rinsing.
P337 + P313 If eye irritation persists: Get medical advice/attention
P261 Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray
P271 Use only outdoors or in a well-ventilated area
P304 + P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
P312 Call a POISON CENTER or doctor/physician if you feel unwell
P403 + P233 Store in a well-ventilated place. Keep container tightly closed
P405 Store locked up
P501 Dispose of contents/container to a licensed disposal company

Additional information


10g, 25g, 50g, 100g, 250g, 500g, 1000g


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