ASTM E1445-02

Standard Terminology Relating to Hazardous Potential of Chemicals

SCOPE
1.1 This standard is a compilation of terminology used in the area of hazard potential of chemicals. Terms that are generally understood or adequately defined in other readily available sources are not included.  
1.2 In the interest of common understanding and standardization, consistent word usage is encouraged to help eliminate the major barrier to effective technical communication.

General Information

• Status: Historical
• Publication Date: 09-Jun-2002
• ICS: 01.040.71 - Chemical technology (Vocabularies)
• ICS: 71.060.01 - Inorganic chemicals in general
• ICS: 71.080.01 - Organic chemicals in general
• Technical Committee: E27 - Hazard Potential of Chemicals
• Drafting Committee: E27.01 - Editorial and Nomenclature

Relations

• Replaces: ASTM E1445-98 - Standard Terminology Relating to Hazardous Potential of Chemicals
• Effective Date: 10-Jun-2002
• Replaced By: ASTM E1445-03 - Standard Terminology Relating to Hazardous Potential of Chemicals
• Effective Date: 10-Jul-2003
• Referred By: ASTM E2021-15(2023) - Standard Test Method for Hot-Surface Ignition Temperature of Dust Layers
• Effective Date: 10-Jun-2002
• Referred By: ASTM E2019-03(2019) - Standard Test Method for Minimum Ignition Energy of a Dust Cloud in Air
• Effective Date: 10-Jun-2002
• Referred By: ASTM E698-23 - Standard Test Method for Kinetic Parameters for Thermally Unstable Materials Using Differential Scanning Calorimetry and the Flynn/Wall/Ozawa Method
• Effective Date: 10-Jun-2002
• Referred By: ASTM E2046-19 - Standard Test Method for Reaction Induction Time by Thermal Analysis
• Effective Date: 10-Jun-2002
• Referred By: ASTM E537-20 - Standard Test Method for Thermal Stability of Chemicals by Differential Scanning Calorimetry
• Effective Date: 10-Jun-2002
• Referred By: ASTM E1226-19 - Standard Test Method for Explosibility of Dust Clouds
• Effective Date: 10-Jun-2002
• Referred By: ASTM E487-20 - Standard Test Methods for Constant-Temperature Stability of Chemical Materials
• Effective Date: 10-Jun-2002
• Referred By: ASTM E681-09(2023) - Standard Test Method for Concentration Limits of Flammability of Chemicals (Vapors and Gases)
• Effective Date: 10-Jun-2002
• Referred By: ASTM E2041-23 - Standard Test Method for Estimating Kinetic Parameters by Differential Scanning Calorimeter Using the Borchardt and Daniels Method
• Effective Date: 10-Jun-2002
• Referred By: ASTM E2550-21 - Standard Test Method for Thermal Stability by Thermogravimetry
• Effective Date: 10-Jun-2002
• Referred By: ASTM E2070-13(2018) - Standard Test Methods for Kinetic Parameters by Differential Scanning Calorimetry Using Isothermal Methods
• Effective Date: 10-Jun-2002
• Referred By: ASTM E2079-19 - Standard Test Methods for Limiting Oxygen (Oxidant) Concentration in Gases and Vapors
• Effective Date: 10-Jun-2002

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn. Contact ASTM
International (www.astm.org) for the latest information.
Designation:E 1445–02
Standard Terminology Relating to
1
Hazardous Potential of Chemicals
This standard is issued under the fixed designation E 1445; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope E1515 Test Method for Minimum Explosible Concentra-
2
tion of Combustible Dusts
1.1 This standard is a compilation of terminology used in
E2012 Guide for the Preparation of a Binary Chemical
the area of hazard potential of chemicals. Terms that are
2
Compatibility Chart
generally understood or adequately defined in other readily
E2019 Test Method for Minimum Ignition Energy of a
available sources are not included.
2
Dust Cloud in Air
1.2 In the interest of common understanding and standard-
E2021 Test Method for Hot-Surface Ignition Temperature
ization, consistent word usage is encouraged to help eliminate
2
of Dust Layers
the major barrier to effective technical communication.
E2046 Test Method for Feaction Induction Time by Ther-
2
2. Referenced Documents mal Analysis
2.1 ASTM Standards:
3. Terminology
E476 Test Method for Thermal Instability of Confined
2
3.1 Definitions:
Condensed Phase Systems (Confinement Test)
E487 Test Method for Constant-Temperature Stability of
adiabatic decomposition temperature rise, (T) , n—an esti-
d
2
Chemical Materials
mation of the computed temperature which a specimen
E537 Test Method for Assessing the Thermal Stability of
would attain if all of the enthalpy (heat) of decomposition
2
Chemicals by Methods of Thermal Analysis
reaction were to be absorbed by the sample itself. High
E659 Test Method forAutoignition Temperature of Liquid
values represent high hazard potential. (E 1231)
2
Chemicals
anvil, n—the smooth, hardened surface upon which the test
E680 Test Method for Drop Weight Impact Sensitivity of
sample or cup containing the sample rests. (E 680)
2
−E/RT
Solid-Phase Hazardous Materials
Arrhenius equation—k= Ze where k is the specific
E681 Test Method for Concentration Limits of Flammabil-
reaction rate constant in reciprocal minutes for first order, Z
2
ity of Chemicals (Vapors and Gases)
is the pre-exponential factor in reciprocal minutes, E is the
E698 Test Method for Arrhenius Kinetic Constants for
Arrhenius activation energy in J/mol, R is the gas constant,
2
Thermally Unstable Materials
8.32 J/mol K, and T is the temperature in kelvin. (E 698)
E771 Test Method for Spontaneous Heating Tendency of
autoignition, n—the ignition of a material commonly in air as
2
Materials
the result of heat liberation due to an exothermic oxidation
E918 Practice for Determining Limits of Flammability of
reactionintheabsenceofanexternalignitionsourcesuchas
2
Chemicals at Elevated Temperature and Pressure
a spark or flame. (E 659)
E1226 Test Method for Pressure and Rate of Pressure Rise
autoignition temperature, n—the minimum temperature at
2
for Combustible Dusts
which autoignition occurs under the specified conditions of
E 1231 Practice for Calculation of Hazard Potential
test. (E 659)
2
Figures-of-Merit for Thermally Unstable Materials
DISCUSSION—Autoignition temperature is also referred to as sponta-
E1232 TestMethodforTemperatureLimitofFlammability
neous ignition temperature, self-ignition temperature, autogenous igni-
2
of Chemicals
tion temperature, and by the acronymsAIT and SIT.AIT is the lowest
E1491 Test Method for Minimum Autoignition Tempera-
temperature at which the substance will produce hot-flame ignition in
2
ture of Dust Clouds
airatatmosphericpressurewithouttheaidofanexternalenergysource
such as spark or flame. It is the lowest temperature to which a
combustible mixture must be raised, so that the rate of heat evolved by
1
ThisterminologyisunderthejurisdictionofASTMCommitteeE27onHazard
the exothermic oxidation reaction will over-balance the rate at which
Potential of Chemicals and is the direct responsibility of Subcommittee E27.01 on
heat is lost to the surroundings and cause ignition.
Editorial and Nomenclature.
Current edition approved June 10, 2002. Published September 2002. Originally
compatibility, adj—the ability of materials to exist in contact
published as E1445–91. Last previous edition E1445–98.
without specified (usually hazardous) consequences under a
2
Annual Book of ASTM Standards, Vol 14.02.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn. Contact ASTM
International (www.astm.org) for the latest information.
E 1445–02
defined scenar
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