18960

1,4-Butanediol

purum, ≥98.0% (GC)

• Synonym(s): 1,4-Butylene glycol, Tetramethylene glycol
• Linear Formula: HO(CH₂)₄OH
• CAS Number: 110-63-4
• Molecular Weight: 90.12
• Beilstein/REAXYS Number: 1633445
• EC Number: 203-786-5
• MDL number: MFCD00002968
• UNSPSC Code: 12352100

Properties

• vapor density: 3.1 (vs air)
• grade: purum
• assay: ≥98.0% (GC)
• autoignition temp.: 698 °F
• refractive index: n20/D 1.445 (lit.); n20/D 1.446
• bp: 230 °C (lit.)
• mp: 16 °C (lit.)
• density: 1.017 g/mL at 25 °C (lit.)
• SMILES string: OCCCCO
• InChI: 1S/C4H10O2/c5-3-1-2-4-6/h5-6H,1-4H2
• Inchi Key: WERYXYBDKMZEQL-UHFFFAOYSA-N

Safety Information

• Pictograms: GHS07
• signalword: Warning
• hcodes: H302,H336
• pcodes: P261 - P264 - P271 - P301 + P312 - P304 + P340 + P312 - P403 + P233
• Hazard Classifications: Acute Tox. 4 Oral - STOT SE 3
• target_organs: Central nervous system
• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 1
• flash_point_f: 273.2 °F - closed cup
• flash_point_c: 134 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter