Aipulimong chem

2-Butene-1,4-diol Organic intermediates CAS NO. 110-64-5

CAS NO 110-64-5
Molecular formula C4H8O2 isomers
Molecular Weight 88.10512

2-Butene-1,4-diol Organic intermediates CAS NO. 110-64-5

CAS NO 110-64-5
Product Name 2-Butene-1,4-diol
Alias NSC 976NSC 12601,4-Dihydroxy-2-butene1,4-Dihydroxybutene2-Butene-1,4-Diol(cis- and trans- mixture)2-Butene-1,4-diol, (2E)-trans-2-Butene-1,4-diol2-Butene-1,4-diol, (E)-(2E)-But-2-ene-1,4-diol(2E)-But-2-en-1,4-diolEINECS 228-085-1MFCD00002924butene-1,4-diolButenediolagrisynthb2d1,4-buenedilo(liquid)CIS-1,4-DIHYDROXY-2-BUTENE(2E)-2-Butene-1,4-diol
Molecular formula C4H8O2 isomers
Molecular Weight 88.10512
EINECS NO 203-787-0
IUPAC nominate but-2-ene-1,4-diol
inchi InChI=1S/C4H8O2/c5-3-1-2-4-6/h1-2,5-6H,3-4H2
Canonical Smiles C(C=CCO)O
Physicochemical Attribute
Density: 1.07
Melting point: 7 ℃
Boiling point: 131 ℃ (12 mmHg)
The refractive index: 1.478
Sparkle: 128 ℃
Vapor pressure: 0.0 + / – 1.0 mmHg at 25 ° C
PSA: 40.46
LogP: 0.4728
Steam density: 3.0 (AIR = 1)
Appearance: Transparent to light yellow liquid
Storage: This product should be kept sealed. The wooden case to protect products in brown glass bottle, coat.
Chemical properties: Colorless to light yellow liquid
Color: Colorless viscous liquid, no smell. Has two kinds of cis and trans, industrial products are often the mixture, and the element of cis.
Physical properties: Colourless liquid. Soluble in water, ethanol, acetone, almost insoluble in low fat hydrocarbon and aromatic hydrocarbons.
Acidity coefficient (pka) : 14.17 + / – 0.10 (Predicted)
Solubility: With water, alcohol, acetone, ester, ether and other immiscible, benzene, halogenated hydrocarbon of refractory.
Spectral characteristics: The INDEX OF REFRACTION: 1.476 to 1.478 AT 25 DEG C/D
Stability: 1. Combustible liquid, moisture absorption is strong. To shun, anti isomer mixtures. Has the nature of general olefin and primary alcohol. In the presence of acid, heating to generate 2, 5 – dihydro furan or crotonaldehyde, especially cis isomer easy to react. Heated to 165 ℃ or more gradual dehydration occurs polymerization.  2. No corrosion, low toxicity. But are irritating to skin and mucosa. LD50 of rabbits and guinea pigs were 1.25 ml/kg and 1.25 ~ 1.5 ml/kg. Production workshop should have good ventilation, the equipment should be closed, to prevent leakage. Operators should wear protective appliances (such as goggles, gloves, masks, etc.).
Storage temperature: Keep in a cool, dry, dark place, in a sealed container or cylinder. Away from incompatible materials, fire and untrained people. Security label area. Protect the container/cylinder to avoid physical damage.
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