2-Butene-1,4-diol

Name: 2-Butene-1,4-diol
SKU: 0

English Name : 2-Butene-1,4-diol
English Synonyms : but-2-ene-1,4-diol; 1,4-Dihydroxy-2-butene; (2E)-but-2-ene-1,4-diol; (2Z)-but-2-ene-1,4-diol; (Z)-but-2-ene-1,4-diol; (E)-but-2-ene-1,4-diol
CAS Number : 110-64-5
EINECS Number : 203-787-0
Molecular Formula : C₈H₁₆O₄

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Product Description

English Name	2-Butene-1,4-diol
English Synonyms	but-2-ene-1,4-diol; 1,4-Dihydroxy-2-butene; (2E)-but-2-ene-1,4-diol; (2Z)-but-2-ene-1,4-diol; (Z)-but-2-ene-1,4-diol; (E)-but-2-ene-1,4-diol
CAS Number	110-64-5
EINECS Number	203-787-0
Molecular Formula	C₈H₁₆O₄
Molecular Weight	176.2102
InChI	InChI=1/2C4H8O2/c2 * 5-3-1-2-4-6/h2 * 1-2,5-6H,3-4H2/b2-1+;2-1-
Molecular Structure
Melting Point	7°C
Boiling Point	380°C at 760 mmHg
Flash Point	189.3°C
Water Solubility	131.4 g/L (at 12 mmHg)* （Note: Unit implied from context）
Vapor Pressure	2.46 × 10⁻⁷ mmHg at 25°C
Physicochemical Properties	• Appearance: Colorless liquid • Boiling Point: 84°C • Density: 1.070 g/cm³ • Refractive Index: 1.4770 • Flash Point: 128°C • Solubility: Miscible with water, ethanol, acetone; insoluble in low aliphatic/aromatic hydrocarbons
Applications	Plasticizer for alkyd resins, crosslinker for synthetic resins, fungicide; Used in nylon production, pharmaceuticals, and 1,4-butanediol synthesis
Hazard Symbol	Xn: Harmful
Risk Phrases	R22: Harmful if swallowed R36/37/38: Irritating to eyes, respiratory system and skin
Safety Phrases	S26: In case of contact with eyes, rinse immediately S36: Wear suitable protective clothing
Upstream Raw Materials	Calcium carbide, Formaldehyde
Downstream Products	Endosulfan