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CAS 811-97-2

CAS 811-97-2 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 811-97-2
CAS 811-97-2PubChem CID 13129

1,1,1,2-Tetrafluoroethane

1,1,1,2-tetrafluoroethane appears as a colorless gas with a slight ethereal odor. Vapors are heavier than air. Shipped liquefied under own vapor pressure. Flash point 351 °F. Inhalation at high concentrations is harmful and may cause heart irregularities, unconsciousness or death without warning. Liquid contact may cause frostbite. Vapors can replace the available oxygen. — CAMEO Chemicals

IUPAC name
1,1,1,2-tetrafluoroethane
Molecular formula
C2H2F4
Molecular weight
102.03 g/mol
Exact mass
102.00926271 Da
XLogP3
1.7
Topological polar surface area
0.0 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
0

Also known as

NorfluraneHFC-134aTetrafluoroethane1,2,2,2-TetrafluoroethaneRefrigerant R134aHFA 134aHFA-134aR-134a
16 more reported names
NorfluranoGenetron 134aKhladon 134aNorfluranumArcton 134aDymel 134aEthane, 1,1,1,2-tetrafluoro-HFC 134aFron 134aSuva 134aSolkane 134aHCFC 134a1,1,1,2-TetrafluorethanForane 134aFreon 134aFC 134a
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 811-97-2

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How CAS 811-97-2 is used on this site

CAS 811-97-2 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 811-97-2 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.