Appendix 14 

1 October 2001

 1 July 2011 

Refrigerant Solutions Limited

8 Murieston Road 

Hale, Altrincham 

Cheshire WA15 9ST 

Tel: +44 (0) 161 926 9875 

Fax: +44 (0) 161 926 9875 

E-mail: rs@refsols.com

www.refsols.com 

PRODUCT SAFETY DATA SHEET 

PRODUCT: RS-50 (R442A) 

 

1. IDENTIFICATION OF THE SUBSTANCE/PREPARATION AND THE 

 COMPANY/UNDERTAKING 

 

1.1 Identification of the preparation: RS-50

1.2 Company 

Refrigerant Solutions Limited 

8 Murieston Road 

Hale, Altrincham

Cheshire WA15 9ST 

Tel: +44 (0) 161 926 9875 

Fax: +44 (0) 161 926 9875 

1.3 Emergency telephone number: +44 (0)161 926 9876 

1.4 E-mail: rs@refsols.com 

Web site: www.ref-sols.com 

 

2. COMPOSITION/INFORMATION ON INGREDIENTS 

 

 Chemical Name CAS-No 

 

Pentafluoroethane 354-33-6 

 1,1,1,2-tetrafluoroethane 811-97-2 

Difluoromethane 75-10-5 

1,1,1,2,3,3,3-heptafluoropropane 431-89-0 

1,1-Difluoroethane 75-37-6 
 2 

PRODUCT SAFETY DATA SHEET

 

 PRODUCT: RS-50 (R442A) 

 

3. HAZARDS IDENTIFICATION 

 

 Liquefied gas: May cause frostbite to skin and eyes. 

 

4. FIRST-AID MEASURES

 

 Eyes: If substance has got into the eyes immediately wash 

out with plenty of water for at least 15 minutes. 

Keep eye wide open while rinsing. 

Skin: May cause frostbite. Wash frost-bitten area immediately with plenty of water. 

Do not remove clothing. Wash affected skin with warm water. If skin irritation 

persists, call a physician. 

Inhalation: Move to fresh air in case of accidental inhalation of vapours. Oxygen or 

artificial respiration if needed. Do not apply artificial respiration if patient is 

breathing. Consult a physician after significant exposure. Do not give 

adrenaline or similar drugs. 

Ingestion: Do not induce vomiting without medical advice. 

Call a physician immediately. Do not give 

drugs from adrenaline-ephedrine group. 

General advice: Consult a physician for severe cases. 

 

5. FIRE-FIGHTING MEASURES 

 

5.1 Suitable extinguishing media: 

The product itself does not burn. Extinguish with carbon dioxide, dry 

chemical, foam or water spray, as appropriate for surrounding area. 
 3 

PRODUCT SAFETY DATA SHEET

PRODUCT: RS-50 (R442A)

Cont. 

5.2 Extinguishing media which must not be used for safety reasons : 

 None 

5.3 Specific hazards: 

Possibility of generating hazardous reactions during a fire due to the presence of F 

groups. Fire or intense heat may cause violent rupture of packages. 

5.4 Special protection equipment for fire fighters: 

In the event of fire, wear self-contained breathing apparatus. Suitable protective clothing.

 

 

5.5 Specific methods: 

 Standard procedure for chemical fires. In the event of fire, 

 cool exposed containers with water spray. 

6 ACCIDENTAL RELEASE MEASURES 

 

 6.1 Personal precautions: 

 

 Use Personal protective equipment. Evacuate personnel to safe areas. 

 Ensure adequate ventilation. Avoid contact with skin, eyes and 

 inhalation of vapour. 

6.2 Methods for cleaning up: 

 Shut off leaks if without risk. Let the liquid evaporate. Ensure adequate 

 ventilation. 

 

7. HANDLING AND STORAGE 

 

7.1 Handling: Provide sufficient air exchange and/or exhaust in work rooms. Do not 

 puncture or drop container. 

7.2 Storage: Keep containers tightly closed in a cool, dry well-ventilated place away 

from direct sunlight. Keep away from heat and sources of ignition. 
 4 

PRODUCT SAFETY DATA SHEET 

 

 PRODUCT: RS-50 (R442A) 

 

8. EXPOSURE CONTROLS/PERSONAL PROTECTION 

 

8.1 Engineering measures: Ensure adequate ventilation, especially in confined areas. 

8.2 Personal protection equipment: 

- Respiratory protection: In case of insufficient ventilation wear suitable respiratory equipment, 

 preferably a compressed airline breathing apparatus. 

- Hand protection: Impervious gloves (butyl rubber). 

- Eye protection: Wear as appropriate: safety glasses, goggles. Wear face-shield and 

 protective suit for abnormal processing problems. 

- Skin and body protection: Chemical resistant apron, long sleeved clothing, safety shoes. 

8.3 Exposure limit: Occupational Exposure Limit 1000 ppm (TWA) . 

 

9. PHYSICAL AND CHEMICAL PROPERTIES 

 

9.1 Appearance: Compressed liquefied gas 

9.2 Colour: Colourless 

9.3 Odour: Very faint ether-like 

9.4 Boiling point/range: -46.5o

C

9.5 Critical temperature: 82.4oC 

9.6 Critical pressure: 690 psia 

PRODUCT SAFETY DATA SHEET 
 5 

 

PRODUCT: RS-50 (R442A) 

 

 Cont. 

9.7 Vapour pressure: (250

C) 192 psia 

9.8 Liquid density: 1108 kg/m3 at 25o

C 

9.9 Water solubility: Insoluble 

 

9.10 Flash point: Not applicable 

9.11 Flammability: Not applicable 

9.12 Explosion limit: Not applicable 

9.13 Auto-ignition temperature: Not determined 

 

10. STABILITY AND REACTIVITY 

 

 

10.1 Stability: Stable at normal conditions. No decomposition if stored 

 and applied as directed. 

10.2 Conditions to avoid: Fire/sources of heat. 

10.3 Materials to avoid: Strong oxidising agents, alkali metals, alkaline earth metals, 

 finely divided aluminium. 

10.4 Hazardous decomposition products: Hydrogen fluoride by thermal decomposition and hydrolysis. 

 

11. TOXICOLOGICAL INFORMATION 

 

 11.1 Acute toxicity: HFC 125 : LC 50 inhalation 

 (Rat)/4h:>800,000 ppm 

 HFC 134a : LC 50 inhalation 

 (Rat)/4h:>500,000 ppm 

 HFC32: LC50 inhalation 

 (Rat) 520,000 ppm 

 HFC227ea: LC50 inhalation 

 (Rat)4h, 800.000 ppm 

 HFC152a: LC50 inhalation 

 (Rat)4h, 500.000 ppm 

 

PRODUCT SAFETY DATA SHEET 
 6 

 

PRODUCT: RS-50 (R442A) 

 

 

Cont. 

11.2 Irritation: 

 - Skin: slightly irritating, may cause frostbite 

 - Eyes: slightly irritating 

 

12 ECOLOGICAL INFORMATION 

 

Behaviour in the environment: 

Mobility: Product is volatile when not under pressure. 

Persistence/degradability: All the components decompose comparatively rapidly in 

 the lower atmosphere and all have relatively short 

 atmospheric lifetimes demonstrated below: 

 HFC 134a 14 years 

 HFC 125 29 years 

 HFC32 4.9 years 

 HFC227ea 34.2 years 

 HFC152a 1.4 years 

Bioaccumulation: Not bioaccumulable. 

Destination of the product: 

Effects on the aquatic environment: 

 Discharge of the product will enter the atmosphere. No 

 long term aqueous contamination due to low solubility.

 

PRODUCT SAFETY DATA SHEET 
 7 

PRODUCT: RS-50 (R442A) 

 

 13. DISPOSAL CONSIDERATIONS 

 

 

 Waste treatment: Refrigerant Solutions Limited will take back product for reclamation provided 

RS-50 has not been mixed with any other products. If RS-50 is mixed with 

other refrigerants, the mixture can be destroyed by high temperature 

incineration in an approved facility capable of absorbing and neutralising 

 the by–products. 

 

 

 

14. TRANSPORT INFORMATION 

 

14.1 International regulations: UN number: 1078 

- Rail/road (RID/ADR) : Class: 2 

 Item number: 2o

A 

 Hazard identification number: 20 

 Labelling: 2 

- Sea (IMO/IMDG): Class: 2.2 

 Labelling: Gaz comprime flammable 

 Not classified as a marine pollutant 

- Air (ICAO-IATA): Class: 2.2 

 Labelling: Non-flammable gas 

14.2 United Kingdom: Rail/road: Substance Identification number: 1078 

14.3 Note: Given the possible evolution of transport regulations for hazardous materials, 

 it is recommended to check their validity 

 

15 REGULATORY INFORMATION 

 

 Classification according to European Directive on classification of hazardous preparations 88/379/EEC. 

 Not classified as dangerous. The product does not need to be labelled in accordance with EC directives. 

PRODUCT SAFETY DATA SHEET 
 8 

PRODUCT: RS-50 (R442A) 

 

 

Cont. 

R-phrase(s): No R-phrases 

 

S-phrase(s): S7/9 – Keep container tightly closed in a well-ventilated place

 S24/25 – Avoid contact with skin and eyes 

S47 – Keep at temperature not exceeding 500

C 

S51 – Use only in well ventilated areas 

S61 – Avoid release to the environment. 

 

 

 

16. OTHER INFORMATION 

 

The information provided in this Product Safety Data Sheet is correct to the best of our knowledge, information and 

belief at the date of its publication. The information given is designed only as a guidance for safe handling, use, 

processing, storage, transportation, disposal and release and is not to be considered a warranty or quality 

specification. The information relates only to the specific material designated and may not be valid for such material 

used in combination with any other materials or in any process unless specified in the text.