R141b

R141b Dichlorofluoroethane Refrigerant · Technical Data Sheet (TDS)

Name: R141b Dichlorofluoroethane Refrigerant
Brand: Kelvins
SKU: R141b
Availability: InStock

HCFC-141b, 1,1-Dichloro-1-fluoroethane

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Chemical Name1,1-Dichloro-1-fluoroethane

Molecular FormulaCH₃CCl₂F

CAS No.1717-00-6

Product CategoryHCFC

Control ClassHCFC (phased out under the Montreal Protocol)

Safety ClassA3 (Flammable)

Product Overview

R141b (1,1-dichloro-1-fluoroethane) was widely used in foam blowing and low-pressure centrifugal refrigeration. As an HCFC controlled substance it is being phased out and now mainly serves existing-equipment service and specific industrial scenarios.

Physical & Chemical Properties

R141b Refrigerant Physical & Chemical Properties
Chemical Name	1,1-Dichloro-1-fluoroethane
Molecular Formula	CH₃CCl₂F
Molecular Weight	116.95
Boiling Point (101.3 kPa)	32.1 ℃
Critical Temperature	204.5 ℃
Critical Pressure	4.25 MPa
ODP (Ozone Depletion Potential)	0.11
GWP (Global Warming Potential)	725
ASHRAE Safety Class	A3 (Flammable)
Vapor Density (air = 1)	4.037
Liquid Density (20/4℃)	1.2434
Critical Density (g/cm³)	0.4586
Acentric Factor	0.2195
Triple Point Temperature (°C)	-103.470

Quality Specification

R141b Refrigerant Quality Specification
Appearance	Colorless, transparent, free of turbidity
Purity	≥ 99.9 %
Moisture	≤ 10 ppm
Acidity (as HCl)	≤ 1 ppm
Evaporation Residue	≤ 0.01 %
Executing Standard	Compliant with national and industry standards

Package Specification

R141b Refrigerant Package Specification
13.6 / 22.7 kg	Disposable steel cylinder
200 kg	Refillable steel cylinder

Product Features

1Relatively high boiling point (32.1℃) for low-pressure/medium-temp duty
2Once widely used in foam blowing and centrifugal refrigeration
3HCFC controlled substance with production being phased down
4Purity ≥99.9%, serves the service/retrofit market

Applications

1Service of existing low-pressure centrifugal chillers
2Polyurethane foam blowing (specific industrial use)
3Solvent and cleaning uses
4Special process cooling

Safety & Precautions

Safety Notice

R141b is an HCFC controlled substance under the Montreal Protocol with production quotas and is being phased out. Use must comply with regulations; new systems should choose HFO or other eco-friendly alternatives.

Storage & Transportation	Store in a cool, ventilated, explosion-proof warehouse away from fire and heat; temperature not above 52℃. Keep separated from oxidizers and acids. Inspect cylinders periodically and handle gently.

This Technical Data Sheet (TDS) is provided by Kelvins Data are based on current product standards and Wulachem’s finished-product technical references, for reference only; actual parameters are subject to the factory inspection report. For the official MSDS/SDS or batch inspection report, please contact us.