EN ISO 14456:2024 PDF

Name: EN ISO 14456:2024 — Gas cylinders - Gas properties and associated classification (FTSC) codes (ISO 14456:2024)
SKU: EN ISO 14456:2024
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Gas cylinders - Gas properties and associated classification (FTSC) codes (ISO 14456:2024)

Название (английский):

EN ISO 14456:2024

Gas cylinders - Gas properties and associated classification (FTSC) codes (ISO 14456:2024)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 51
Дата публикации:: 1 мая 2024 г.
Издание:: CEN EN 14456 edition 2 version 1
ICS:: 23.020.35

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Описание (английский):

This document gives a list of FTSC (fire potential, i.e. “oxidizing power and flammability”, toxicity, state of the gas, and corrosiveness) codes determined according to the relevant properties of gases and of some liquids that are transported under pressure. It does not cover material compatibility with gases which is covered by the ISO 11114 series.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 14456:2024 (ISO 14456:2024) specifies a systematic method to classify gases and some pressurized liquids in cylinders using a four‑digit FTSC code. FTSC stands for Fire potential (oxidizing power and flammability), Toxicity (acute), State of the gas, and Corrosiveness. The standard provides a published list of FTSC codes and rules for assigning codes to single gases and mixtures, enabling assignment into 15 compatible gas groups for transport, storage and handling of gas cylinders. This edition (May 2024) supersedes EN ISO 14456:2016 and its 2019 amendment.

Key topics and technical requirements

Four‑digit FTSC code: one digit for each category - F (fire potential/oxidizing power & flammability), T (acute toxicity), S (state of the gas in the cylinder at 15 °C), C (corrosiveness).

Category breakdowns:

F: subdivisions include inert, supports combustion, flammable, pyrophoric, oxidizing and chemically unstable.
T: subdivisions for acute toxicity from supporting life to very toxic (based on LC50 values, see ISO 10298).
S: covers liquefied, compressed, dissolved and various pressure classes (subdivisions 0–7; pressure thresholds reflect regional practices).
C: corrosiveness categories addressing tissue damage/acid–base reactions.

Assignment rules for single gases and mixtures, and tables of compatible groups to support safe grouping and segregation.

Informative Annex A: examples and supporting chemical/hazard data for new FTSC entries.

Aligns with relevant systems such as the GHS and references ISO standards for related gas properties.

Practical applications

Use FTSC codes to classify gases for transport, storage, cylinder labeling and documentation.

Support valve and outlet selection (interface considerations with ISO 5145) and risk assessments where mixing of gases could create ignition or oxidizing hazards.

Enable gas suppliers, cylinder manufacturers and logistics providers to group compatible gases and define handling procedures.

Assist regulators, emergency responders and safety officers with rapid hazard identification of pressurized gases.

Related standards

ISO 11114 (material compatibility with gases)

ISO 5145 (valve outlet selection)

ISO 10298 (LC50 and toxicity guidance)

ISO 10156 and ISO 10286 (gas properties and definitions)

Globally Harmonized System (GHS) alignment

EN ISO 14456:2024 is a practical reference for anyone classifying, handling or transporting pressurized gases - providing standardized FTSC codes to improve safety, interoperability and regulatory compliance.

EN ISO 14456:2024 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications

Who should use this standard

Related standards

Технические детали

ISO 14456:2024

Gas cylinders — Gas properties and associated classification (FTSC) codes

ISO 10298:2018/Amd 1:2021

Gas cylinders — Gases and gas mixtures — Determination of toxicity for the selection of cylinder valve outlet…

ISO 5145:2014

Cylinder valve outlets for gases and gas mixtures — Selection and dimensioning

ISO 11114-1:2020/Amd 1:2023

Gas cylinders — Compatibility of cylinder and valve materials with gas contents — Part 1: Metallic materials…

SIST EN ISO 10156:2018

Gas cylinders - Gases and gas mixtures - Determination of fire potential and oxidizing ability for the select…

SIST EN ISO 10286:2025

Gas cylinders - Vocabulary (ISO 10286:2025)