NFPA 325 PDF

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Citation: NFPA. Quincy, Massachusetts; National Fire Protection Association, Technical Committee on Classification and Properties of Hazardous Chemicals Data, DOI /RG, 94 pages, 14 July and Volatile Solids, was prepared by the Technical Committee on. Go to the guidance information for using the NFPA Placard. NFPA 49 or NFPA , the designation national telecommunications spectrum management pdf. NFPA Guide to tire Hazard. Licensing Provision This document is copyrighted by the National Fire Protection Association (NFPA). Fire Hazard Properties of Flammable Liquids, Gases, and Volatile Solids.


Nfpa 325 Pdf

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No. 57; and Fire Hazard Properties of Flammable Liquids, Gases,. Volatile Solids, , NFPA No. M." Renumber to 9. Present Renumber to and. NFPA Guide to Fire Hazard Properties of Flammable Liquids, Gases, and OUT OF PRINT * W/D S/S BY NFPA HAZ. Format. Details. Price (USD). PDF. Superseded By: NFPA EN. Additional Comments: CNCL S/S BY NFPA Format. Details. Price (USD). PDF. Single User. $ Print. Backordered.

Stop Flow o f Gas. The system provides simple. On the other hand. Except as a Blanket. The system? Here again. The frothing may be violent and could endanger any fire fighters located too close to the burning liquid.?

Extinguishing Methods. Water May Be Ineffective. Alcohol-resistant fire fighting foam is recommended for use on all water-soluble liquids or polar solvent-type liquids.

These materials are only slightly hazardous to health and only breathing protection is needed. In assigning this rating. In general. It should be understood that the assignment of the ratings is based on judgment and that extenuating circumstances in plants and processes may dictate a change in any individual rating.

A few whiffs of the vapor or gas can cause death. T h e following information on the five degrees of hazard are based on the information in NFPA a n d relate to t h e protective equipment normally available to fire fighters.

Water spray may be used to extinguish fires in these materials because the materials can be cooled below their flash points.. This degree includes materials that must be moderately heated before ignition will occur and includes Class II and IIIA combustible liquids and solids and semi-solids that readily give off ignitible vapors.

Materials that. O Materials that. No skin surface should be exposed. Water may cause frothing if it sinks below the surface of the burning liquid and turns to steam.

The hazard identification rating definitions below and the actual ratings in the text are based on definitions from the edition of NFPA The physical exertion demanded in fire fighting operations or other emergencies may be expected to intensify the effects of any exposure. For further information.

This degree includes Class I B and IC flammable liquids and materials that can be easily ignited under almost all normal temperature conditions. Fire fighters may enter the area only if they are protected from all contact with the material. This degree includes any material that will not burn. Susceptibility to ignition and burning is the basis for assigning the degree of hazard within this category.

These materials are hazardous to health.

Only hazards arising out of the inherent properties of the material are considered. See NFPA for more detailed information. The normal full protective clothing and breathing apparatus available to the typical fire fighter will not provide adequate protection against inhalation o r skin contact with these materials. This degree includes materials that must be preheated before ignition will occur.

This degree includes flammable gases. Water may be ineffective in controlling or extinguishing fires in such materials. Blank spaces indicate that sufficient information was not available for a severity rating to be assigned. T h e following commentary on the degrees of hazard are an interpretation of the information contained in NFPA T h e preferred method of fire attack is to stop the flow of material or to protect exposures while allowing the fire to burn itself out.

Full protective clothing.

International

T h e assignment of the degree of reactivity hazard is based on the potential of the material to release energy either by itself o r when in contact with water. T h e method of attacking the fire is influenced by this susceptibility factor.. As such. As in the case of vapors. Fires involving these materials should be approached with caution.

Mixtures of two o r more materials may have different fire hazard properties than any of the components. Normal fire fighting procedures may be used. This also includes materials that may react violently with water o r that may form potentially explosive mixtures with water. The alternate form is not given. For mixtures involving enriched oxygen atmospheres. This degree includes materials that are normally stable. I n this manual.

Fires involving these materials should be fought from a protected location. Unless otherwise indicated. If a material having this Reactivity Hazard Rating is involved in an advanced o r massive fire. This manual uses the more common form. This includes materials that are sensitive to thermal and mechanical shock at elevated temperatures and pressures and materials that react explosively with water. In accordance with custom.

This degree includes materials that are normally unstable a n d readily undergo violent chemical change. T h e fourth space in the NFPA rating is reserved for the use of two special symbols: This includes materials that can undergo chemical change with rapid release of energy at normal temperatures and pressures and materials that can undergo violent chemical changes at elevated temperatures and pressures.

In advanced o r massive fires involving these materials.

In finely divided form. O Other names and synonyms are indexed to this common name. Methyl Ester Acetic Acid. See Propyl Acetate. See Hazardous Chemicals Doto.

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Melting point See Hazardous Chemicals Dato. Densily Air Percent by vol. In dilute solution it is nonhazardous. See Acetol. See Aldol. Ethyl Ester Melting point i 4. Ordinary acetic acid is the same os glacial acetic acid with water.

See Methyl Acetate. See Isopropyl Acetate. See Hazardous Chemicals Dota. See Ethyl Acetate. In concentrated form its properties opprooch those of glacial acetic acid. The properties of ordinory ocetic acid depend upon the strength of the solution.

See Acetaldehyde. OH [N- Z-Hydraxyethyl acetomidel 42 3. See Hozardous Chemicals Dota. Phenyl Meth. See Hazordous Chemicols Dota.

See Dichloroethylene-cis See Dichlaroethylene-trans. NFPA No Do not use water or foom 6 3 3 2w 2. See Hozordous Chemicals Dato. Low pressure.

See Phenyl Acetate 4. Acetylene dissolved in acetone in closed cylinders can carry o 2 reactivity See Hozardous Chemicals Data. See Hazardous Chernicols Doto.

Codes & Standards

Percent by vol. See Hazardous Chemicals Data. Acrylic Aldehyde Acrylonitrile CH2: ReacHealth bility tivity 0. Meihyl Alcohol. See 1. Denatured Alcohol. ReacHealth biiily tivily 5 2 2 O 0. See Picoline-alpho. Air Percent by vol. See Ethanolamine. See Ethylomine. Anhydrous " 3 1. See 1-Amino-Z-Proponol. See p-Phenetidine. See Harordous Chemicols Data. See Amyl Phenyl Ether. See sec-Amylamine. Percent by Vol. NFPA 94 See HorordousChemicals Doto. Aminobenzene Phenylamine 1.

Melting poini See Benzoldehvde c 50 10 1. NC CH3 7C: See Benzoyl Chloride. Melting paint ReacHealth bility tivity 2 2 1 O See 2-Anilinoethanol.. See Benzaldehyde. See o-Methoxy Benzaldehyde. See Hozardous Chemicals Dato. Flash point and ignition temperature will vaty depending o n the monufodurer. See Hazardous Chemicals Doto.. Melting point 1 1 4 Percent ir. NFPA 94 m m ReocHealth biiity tivity 95 1 5 1. N'-Bis- 1. ReacHealth biliiy tMiy See 8orneol 1.

Di Methylamy1 Maleate N. See sec-Butyl Alcohol. See Croionaldehvde 0. See Methyl Ethyl Ketone. See Carnauba Wax 1. ReacHeallh biiity livity 2 2 O 1. Z-Dihydroxybutane] Ethvlethvlene Glvcoll 1. Percent by vol.. Melting poini 45 7. See Butvl Phenyl Ether. See Butenediol See Croiononitrile.

See Dibutyl Ether. See I-Ethylhexonal. Melting point I l 7 See tert-Butvldiethanolamine. See Butyl Oxalate. See 2-Methylpropene. Density TEMP. See 1 -Hexene. May explode See Hazardous Chemicals Dota.. See Ethyl Butyl Ether. See 1 -Butene. Ropid decornposiiion ot 93 See Hozordous Chernicols Dota. No O 3 40x Noie: Ropid decomposition ni 90 ReacHealth bility iivity 5 66 19 53 71 oc 0. See 2-MeihylProponethiol. See Eihvl Bukrate. See Butyraldehyde.

See Hazardous Chemicals Data 74 4 58 2. See Harordous Chemicals Data. See Carbon Disulfide. See Chlorobenzene. See Phenol. See Vinyl 2-Chloroethvl Ether. See Isobutyl Chloride. Melting point 76 See Methyl Chloride.

See i-Chloro-l. ReacHealth bility tivity ReacHealth bility tivity 1-Chloropropane 2-Chloropropane. See Isopropyl. Chloride 1. See Trifluorochloroethylene.. See 2-ChloroNitrobenzotrifluoride. See Allyl Chloride Yes 5 2 2 O 1. Densify Percent by Vol. Corn Oil Cooking 0. Melting point 72 22 See Fuel Oil No. See Hoirardous Chemicals Data. Melting point of meto: Slight 1 2 40x Note: Melting point 1 1 1 ReacHealth blliw tivlh 88 04 1.

See Hazardous Chemicals Dolo. Melting point 75 Perceni bvol. Melting point 21 1. See Hozordous Chemicols Daia. Cyclopeniene CH: ReacHealth bilit. Melting point 1I.

C 'FC. ReacHealth bilily livily 0 2 0 See Decohydronaphtholene.. See Allyl Ether. See Hozordous Chemicals Data. Ignites spontaneouslyin moist air. ReacHealth bility tivily 5 1 64 64 1. Perceni by vol.

See Hazardous Chemical? CHzCH3 2 0. Denkty Percent by vol.. CCICH3 1. See Ethylidene Dichloride. CHCI 2 Note: Exists as cis and trans isomers. CHCHj See Hazardous Chemicals Dalo. See Hazordous Chemicals Data. CCICH3 3. CH2 1. See Ethylene Dichloride. See Dichloroacetyl Chloride. See Vinylidene Chloride. See o-Dichlorobenzene 1. See Propylene Dichloride. Melting point 91 Dichloropentanes Mixed C5HioClz 1.

Percent by Vol.. PeKenf by Vol. Ignites spontaneously in oir Melting point 82 See Diethyl Glycol See 2-Ethylbutyroldehyde. See N. Ignites spontaneouslyin air See Hazardous Chemicals Daia.

Hs oc1 1. See 2-EthylbutyricAcid. ReacHealth bility t M t y 5 2 1 1 O 1. Percent by val. ReacHealth bility tivity 3 78 oc1 1. See Bis 2-Ethylhewl Ethonolamine. Percent byvol. See Bis 2-Ethylhexyl Phosphoric Acid. See Bis 2-Ethylhexyl Maleate O Gos 3 Note: Ignites spontoneously in oir. Melting point 44 See Heptodeconol. ReacHealth bilify tivify 1.

See 3- Diethylomino Propylomine. See Hozordous Chemicals Doto. O 0. Ignites spontaneouslyin oir. See Hozardous Chemicols Dato. CHZ 2. NFPA 94 m 7. See DiethyleneGlycol. ReacHealth biliiy tivily 2 5 O 1 1. See 2. See m-Xylene Edition Not for Resale. Melting Point O. Polymerizes 0. Ropid decomposition a1 53 1 2. See Hazardous Chemicals Data 0.

N-Dimethylethanolamine - 1 5 1. See 2- Dimethylomino Ethanol. CH2 2. ReacHealth bility tivity See p-Xylene. See Methyl Carbonate. Density Percent by val. See Hhvlene Oxide.

See l-Methyl-P-8utanol. Perceni bvol.. Doint Il. C CH3 CH: See Hazardous Chernicols Doto 1 2 0 7 1 Note: MeltinQpoint 79 Ignites spontoneouslyin oir. See Diphenylrnethane.

Melting point 81 See 4-Heptonone. Gas 3. See Hazardous Chemicols Data 1. Ddnyl Ether CH2: C CHj CaH5 1. See Hazardous Chemicols Doto. CH2 2 1. See Acetylene. See Hazardous ChernicolsDoto.

See Ethyl Eiher. HO - See Divinyl Ether. See Ethyl Alcohol. See Ethylene. See Acetic Acid. ReacHealth bilhy tivity See Ethyl Mercopton. See Acetic Anhydride.

Codes & Standards

Standards Australia International, Ltd. Society of Allied Weight Engineers, Inc. Synapse Information Resources, Inc. Standards Norway SNV: Springer-Verlag New York, Inc. Syentek, Inc. Technology International, Inc. T H Hill Associates, Inc. Technical Indexes, Ltd. Telecommunications Industry Association TP: Technology Perspectives TPI: Trans Tech Publications Inc.

Tyrell Press, Ltd. International Union of Railways UL: UL ULC: United Nations UNI: The U. Verband der Automobilindustrie VDE: Welding Consultants, Inc. World Scientific Publishing Co. Yakuji Nippo. Complete Document. Includes all amendments and changes through Errata , May 30, Detail Summary View all details. Additional Comments: Price USD. Single User. Need it fast? Ask for rush delivery.

Most backordered items can be rushed in from the publisher in as little as 24 hours. Some rush fees may apply. Add to Cart. People Also Bought These. People Also Bought These: This manual applies to flammable liquids, flammable gases, and volatile flammable solids. Browse Publishers.

Top Sellers. My Account. Corporate Sustainability. T h e specific enced by the rate of air flow, rate of heating, andsize of the gravity of a substance is the ratio of the weight of that sub- sample. Small sample tests have shown that, as the rate of stance to the weight of an equal volume of another sub- air flow or the rate of heating is increased, the ignition stance. In this manual, the other substance is water. The t e m p e r a t u r ed e c r e a s e st o a minimumvalue,then values given in this manual for specific gravity are rounded increases.

For materials whose specific gravity is from 0. O, the value is shown as 1. For materials In the case of gases whose specific gravity is from 1. T h e vapor density of a substance is T h e followingcommentsapplytootherextinguishing the ratio of the weight of a volume ofpure vapor orgas no methods that have been found effective for the control or air present to an equal volumeof dry air at the same tem- extinguishment of some flammable liquids fires.

It is calculated as the ratio of the molecular weight of the substance to the molecular weight Water spray or fog can be particularly effective on fires of air, However, with liquids whose tively calm atmosphere. For indicates that the substance is heavier than air and may information on the installation of water spray protection travel along grade level foraconsiderabledistanceto a for flammable and combustible liquids, see NFPA 15, Stan- source ofignition and flash back,assumingthegas or dard for Water Spray Fixed Systems f o r Fire Protection.

Automatic sprinklers are similar to water spray systems in extinguishing effectiveness. Their principal value is in T h e boilingpoint of eachliquid is absorbingtheheatfromthefireandkeepingthesur- given at a pressure of Where an roundings cooluntiltheflammableliquidsfireeither accurate boiling pointis not available for a specific entry or burns out or is extinguished by other means.

Automatic where a specific entry is actually a mixture of components sprinklers have a good record of fire control in garages, in anddoesnothaveaconstantboilingpoint,theboiling paint and oil rooms, and in storage areas where liquids are point given is the 10 percentdistillationpointas deter- kept in closedcontainers. Whereautomatic However,themeltingpoint is not available for flowing the tank and spreading burning liquid to others some of these materials.

Watersolubilitydataare Sprinkler Systems. They are also used for and because of the conflicting statements that sometimes washing burning spills away from areas where the burning accompany these data.

Where such data is reported in this liquid could ignite other material. In those cases where doubt exists as to a materi- effective in fire controlandextinguishment.

Suchcoversaresuitableforany size tankexcept in water is useful in determining effective extinguishing where objects being dipped or conveyor systems may pre- methodsandagents. Forexample,alcohol-resistantfire vent tight closing of the cover.Corn Oil Cooking 0. EN - Performance Requirement for Gr. ASME International. Tests for Test for Uphol. Melting point of meto: Meltina Doint -. See Methyl Carbonate. See Harordous Chemicals Data. In those cases where doubt exists as to a materi- effective in fire controlandextinguishment.

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