R-422D (MO29) Refrigerant Gas | Alper Refrigerant Gas — Wholesale HFC Refrigerant

HFC/HCFC blend for R-22 retrofit applications. Excellent drop-in replacement with minimal system modifications required.

R‑422D (Freon™ MO29) – Zeotropic HFC Blend for R‑22 Retrofits

Category: Hydrofluorocarbon (HFC) – zeotropic blend specially formulated as a direct drop-in replacement for R‑22.

🧪 Composition & CAS Numbers

R‑125 (Pentafluoroethane) – 354‑33‑6 (~65.1 % wt)

R‑134a (1,1,1,2‑Tetrafluoroethane) – 811‑97‑2 (~31.5 % wt)

R‑600a (Isobutane) – 75‑28‑5 (~3.4 % wt)

– Blend purity ≥ 99.5%, with tight tolerance on composition, moisture ≤ 10 ppm, acidity ≤ 1 ppm

🌟 Safety & Environmental Profile

ASHRAE Safety Rating: A1 – non-toxic, non-flammable

Ozone Depletion Potential: ODP = 0 (no chlorine content)

Global Warming Potential: ~2,729 (IPCC AR4)

UN Classification: UN 1078 – liquefied non-flammable gas

⚙️ Key Physical Properties

Property Value

Boiling Point (1 atm) –43.2 °C

Temperature Glide ~4.86 K

Molar Mass ~109.9 g/mol

Vapor Pressure @ 25 °C ~11.3 bar

Liquid Density @ 25 °C ~1,143 kg/m³

Critical Temp/Pressure ~79.6 °C / 39.0 bar

🔧 Performance & Benefits

Direct R‑22 Replacement: Matching capacity and efficiency, with up to 8 % lower discharge temperatures—enhancing compressor lifespan

No Major System Changes: Broad lubricant compatibility (MO, AB, POE)—no oil change needed in most cases

Easy Maintenance: Chargeable via liquid phase, can be topped off without full system recovery

Versatile Use: Suited for low- and medium-temp DX refrigeration, commercial HVAC, chillers—both retrofit and new setups

📘 Regulatory & Handling Notes

EU F-Gas Compliant: Covered under regulation 517/2014 and 2024/573; mandatory recovery protocols apply

Storage & Safety: Store cylinders upright, avoid direct heat; charge only in liquid state; use PPE to prevent frostbite

📦 Packaging Options

Available in 12 kg, 20 kg, 46 kg cylinders, and bulk containers; dual-port valves for liquid uptake

✔️ Why Choose R‑422D from AlperRefrigas?

Efficient R‑22 retrofit with minimal system modifications

Enhanced reliability through cooler discharge and equipment longevity

Regulatory compliance with zero ODP and documented safety specs

Proven industry support from Chemours (Freon), Linde/Climalife, A‑Gas, and others

📞 Order R‑422D (MO29) from AlperRefrigas today for a fully supported, high-performance retrofit solution. Contact us for SDS, retrofit guides, or pricing.