2-Butene-1,4-diol

Description

2-Butene-1,4-diol · CAS 110-64-5 · C4H8O2. UNII 2I323Z5567. Boiling Point: 141-149 °C AT 20 MM HG; Boiling Point: 234 °C @760 [mm Hg]; Melting Point: 7 °C (45 °F).

Identification

CAS Registry Number	110-64-5
PubChem CID	8065
Molecular formula	C4H8O2
IUPAC name	but-2-ene-1,4-diol
UNII (FDA)	2I323Z5567

Computed Descriptors

Molecular Weight	88.11
XLogP3	-0.8
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	88.052429494
Monoisotopic Mass	88.052429494
Topological Polar Surface Area	40.5
Heavy Atom Count	6
Formal Charge	0

Physical & Chemical Properties

Boiling Point	141-149 °C AT 20 MM HG
Boiling Point	234 °C @760 [mm Hg]
Melting Point	7 °C (45 °F)
Flash Point	128 °C
Flash Point	128 °C (263 °F) OC
Density	1.067-1.074
Density	1.07 @25 °C
Vapor Density	3.0 (AIR= 1)
Vapor Pressure	0.04 [mmHg]
Vapor Pressure	0.0462 [mm Hg] @25 °C

Physical description & handling notes

• Nearly colorless, odorless liquid; [HSDB] Faintly yellow-green clear viscous liquid; [MSDSonline]
• ALMOST COLORLESS LIQUID
• ODORLESS
• VERY SOL IN WATER, ETHYL ALCOHOL, ACETONE; SPARINGLY SOL IN BENZENE
• INDEX OF REFRACTION: 1.476-1.478 AT 25 °C/D

GHS Hazard Classification

Reported hazard statements	H302 (100%), H315 (91.3%), H319 (89.1%), H335 (84.8%), H402, H412

Documented Uses

• Used as a chemical intermediate for alkyd resins, plasticizers, nylon, pharmaceuticals, and endosulfan (an insecticide); Also used as a cross-linking agent for synthetic resins, in the manufacture of fungicides, as a comonomer for polyurethanes with toluene diisocyanates, and as a reducing agent in chrome tanning baths; [HSDB]
• Plastic Composites Manufacturing [Category: Industry]
• Leather Tanning and Processing [Category: Industry]
• INTERMEDIATE FOR ALKYD RESINS, PLASTICIZERS, NYLON, PHARMACEUTICALS; CROSS LINKING AGENT FOR SYNTHETIC RESINS
• CHEM INT FOR ENDOSULFAN (AN INSECTICIDE)
• For more Uses (Complete) data for 1,4-DIHYDROXY-2-BUTENE (9 total), please visit the HSDB record page.

Synonyms

2-Butene-1,4-diol; 110-64-5; DTXSID9026849; Butenediol; 1,4-DIHYDROXY-2-BUTENE; DTXCID90809569; NSC-976; RefChem:570515; 203-787-0; 2I323Z5567; Agrisynth B2D; NSC-1260; 2-Butene-1,4-diol(cis+trans); but-2-ene-1,4-diol; 2-Buten-1,4-diol; Z/E-But-2-ene-1,4-dio

Frequently Asked Questions

What are the CAS number and molecular formula of 2-Butene-1,4-diol?

CAS 110-64-5; molecular formula C4H8O2; molecular weight — g/mol.

What other names is 2-Butene-1,4-diol known by?

2-Butene-1,4-diol, 110-64-5, DTXSID9026849, Butenediol, 1,4-DIHYDROXY-2-BUTENE, DTXCID90809569.

Is 2-Butene-1,4-diol classified as hazardous?

Hazard statements reported: H302, H315, H319, H335, H402.

What are the key physical properties of 2-Butene-1,4-diol?

Boiling Point: 141-149 °C AT 20 MM HG; Boiling Point: 234 °C @760 [mm Hg]; Melting Point: 7 °C (45 °F); Flash Point: 128 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.