Methallyl alcohol (HCID 10557)

Überblick

Methallyl alcohol appears as a colorless liquid with a sharp pungent odor. Soluble in water and floats on water. Moderately toxic by ingestion and is an irritant to eyes and skin. Used in the chemical process industry.

Namen und Bezeichner

Bevorzugter Name: Methallyl alcohol
IUPAC: 2-methylprop-2-en-1-ol
Lokaler Name: 2-Methylprop-2-en-1-ol
Englischer Name: Methallyl alcohol
Summenformel: C4H8O
Molmasse: 72.11

Namen und Synonyme

METHALLYL ALCOHOL513-42-82-Methylprop-2-en-1-ol2-Methylallyl alcoholIsopropenyl carbinol2-Propen-1-ol, 2-methyl-beta-Methallyl alcoholMethacryl alcohol3-Hydroxy-2-methylpropenebeta-Methylallyl alcohol2-Methyl-2-propenolH2T2UK4JAP

Weitere Namen anzeigen

β-Methallyl Alcoholmethacrylalcohol2-METHYL-2-PROPENE-1-OL'ISOBUTENOL'

NSC-30674DTXSID4060155RefChem:156850DTXCID7040998208-161-02-Methyl-2-propen-1-olMFCD00004737NSC 30674

Datenbank-Bezeichner

CAS: 513-42-8
PubChem CID: 10557
DTXSID: DTXSID4060155
UNII: H2T2UK4JAP
EC Number: 208-161-0
Nikkaji: J3.640D

Eigenschaften

Berechnete Struktureigenschaften

XLogP: 0,8
Polarare Oberfläche (TPSA): 20,2 Å²
H-Brücken-Donoren: 1
H-Brücken-Akzeptoren: 1
Frei drehbare Bindungen: 1
Schwere Atome: 5
Formalladung: 0
Komplexität: 38,9

Experimentelle und physikochemische Eigenschaften

Chemical ClassesFlammable agents - 3rd degree

PolymersOther Classes -> Alcohols and Polyols, Other

SpringerMaterials PropertiesCoriolis coupling

Density0.8515 at 68 °F (USCG, 1999) - Less dense than water; will float

Flash Point92 °F (USCG, 1999)

Boiling Point239 °F at 760 mmHg (USCG, 1999)

Physikochemische Eigenschaften

Schmelzpunkt: -50 °C · -50 °C
Siedepunkt: 113 · 113-115 °C(lit.)
Dichte: 0.857 g/mL · 0.857 g/mL at 25 °C(lit.)
Brechungsindex: 20 · n20/D 1.426(lit.)
Flammpunkt: 92 °F · 92 °F
storage temp.: Flammables area
Löslichkeit: Chloroform (Slightly), Methanol (Slightly)
pka: 14.49 · 14.49±0.10(Predicted)
Aggregatzustand: clear liquid
Wichte: 0.8515 · 0.8515
Farbe: Colorless to Almost colorless
Wasserlöslichkeit: 11 g/100 · 11 g/100 mL
BRN: 969226 · 969226
Stabilität: Light Sensitive
InChI: 1S/C4H8O/c1-4(2)3-5/h5H,1,3H2,2H3
InChIKey: BYDRTKVGBRTTIT-UHFFFAOYSA-N
SMILES: CC(=C)CO
CAS Datenbank: 513 · 513-42-8(CAS DataBase Reference)
NIST chemische Informationen: 2 · 2-Propen-1-ol, 2-methyl-(513-42-8)
EPA chemische Informationen: Methallyl alcohol (513-42-8)

Sicherheit und Regulatorisches

GHS-Klassifizierung

GHS Classification · 5 Einträge

This chemical does not meet GHS hazard criteria for 4.4% (4 of 91) of reports.

Warning

H226 (95.6%): Flammable liquid and vapor [Warning Flammable liquids]

P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 91 reports by companies from 10 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Gefahrenhinweise

Regulatory Information · 4 Einträge

Chemical: 2-Propen-1-ol, 2-methyl-

Status: Active Update: 19-07-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/20768

2-Methylallyl alcohol: Does not have an individual approval but may be used under an appropriate group standard

The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)

DOT LabelFlammable Liquid

Fire Hazards · 2 Einträge

Special Hazards of Combustion Products: Irritating vapors and toxic gases, such as carbon dioxide and carbon monoxide, may be formed when involved in fire.

· HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.

Health Hazards · 2 Einträge

Exposure can cause irritation of eyes, nose and throat. (USCG, 1999)

· May cause toxic effects if inhaled or absorbed through skin.

Hazards Summary · 1 Eintrag

A skin, eye, nose, and throat irritant; Moderately toxic by ingestion; [CAMEO] A moderate skin irritant; [RTECS] A skin, eye, nose, and throat irritant; Highly irritating to skin (may cause second degree burns following contact for a few minutes); [CHRIS] An irritant; [Aldrich MSDS]

DOT ID and Guide2614 129

Sicherheit und Schutzausrüstung

Fire FightingFire Extinguishing Agents Not to Be Used: Water.

Accidental Release Measures · 2 Einträge

· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.

· ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area.

First Aid · 2 Einträge

Get medical attention.

General First Aid:

Exposure Control and Personal Protection· Wear positive pressure self-contained breathing apparatus (SCBA).

Nonfire Spill ResponseExcerpt from ERG Guide 129 [Flammable Liquids (Water-Miscible / Noxious)]:

Isolation and Evacuation · 2 Einträge

Excerpt from ERG Guide 129 [Flammable Liquids (Water-Miscible / Noxious)]:

Immediate precautionary measure

Toxikologische Informationen

Adverse EffectsDermatotoxin - Skin burns.

Toxicity DataLCLo (mouse) = 2,924 ppm/4hr

Sicherheitsdaten

wgk: 3
tsca: TSCA listed
ridadr: UN 2614
hs_code: 29052900
RTECS-Nr.: UD5250000
risk_code: 10-36/37/38
hazard_code: Xi
safety_code: 26-36-37/39-16
hazard_class: 3
packing_group: III
Speicherklasse: 3 - Flammable liquids
Hazard Classifications: Eye Irrit. 2Flam. Liq. 3Skin Irrit. 2STOT SE 3

Chemie und Industrie

Verwendung und Herstellung

UsesUsed in the chemical industry; [CAMEO]

General Manufacturing Information2-Propen-1-ol, 2-methyl-: ACTIVE

Anwendungen

Verwenden2-Methyl-2-propen-1-ol (MePro) attaches to hemicellulose acetylated galactoglucomannan (AcGGM) backbone providing it with pendant sites that allow subsequent cross-linking and hydrogel formation.