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Methane, vapor (293.15 K, 1.01325 bar)

State-specific acoustic fluid properties from NIST Chemistry WebBook SRD 69.

Reference contract

FieldValueDescription
revision1
symbolNamemethane
aliases["Methane"]
categoryAcoustic Fluid
origininstalled
evidenceStatussource-exact-state-point-with-derived-bulk-modulus
conditions{"phase":"vapor","pressure":"1.01325 bar","referenceState":"NIST Chemistry WebBook default reference state.","retrieved":"2026-07-28","temperature":"293.15 K"}
sources[{"artifact":{"committed":false,"fileName":"nist-srd69-methane.tsv","sha256":"2106bce052490af1711a057f77957b132dc3faf79484350d4fb42782ab12f1cd","url":"https://webbook.nist.gov/cgi/fluid.cgi?Action=Data&Wide=on&ID=C74828&Type=IsoBar&Digits=12&P=1.01325&THigh=293.15&TLow=293.15&TInc=1&RefState=DEF&TUnit=K&PUnit=bar&DUnit=kg%2Fm3&HUnit=kJ%2Fkg&WUnit=m%2Fs&VisUnit=uPa*s&STUnit=N%2Fm"},"authors":["National Institute of Standards and Technology"],"id":"nist-srd69-methane-293.15k-1.01325bar","publisher":"National Institute of Standards and Technology","title":"NIST Chemistry WebBook SRD 69: Isobaric Properties for Methane","type":"government-standard","url":"https://webbook.nist.gov/cgi/fluid.cgi?Action=Data&Wide=on&ID=C74828&Type=IsoBar&Digits=12&P=1.01325&THigh=293.15&TLow=293.15&TInc=1&RefState=DEF&TUnit=K&PUnit=bar&DUnit=kg%2Fm3&HUnit=kJ%2Fkg&WUnit=m%2Fs&VisUnit=uPa*s&STUnit=N%2Fm","year":2026}]
compatibility["Pressure Acoustics"]
fingerprint20e66d50cf964533a6819a9f9e07111d1578fb281947cba21bf797ef98931319

State-specific acoustic fluid properties from NIST Chemistry WebBook SRD 69.

Properties below preserve their exact installed expressions and the parent material records source evidence, conditions, compatibility, revision, and fingerprint.

Authoritative source

Catalog
telion_backend.v2.material_catalog/2.0.0
Identity
material/nist-srd69-methane-293.15k
Path
src/telion_backend/v2/material_catalog.py
Symbol
material_catalog