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Pyridoxine Impurity 23

trans-4-Chloro-2-butene-1-ol

CAS: 1576-93-8

Molecular Formula: C4H7ClO

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Pyridoxine Impurity 23 - Names and Identifiers

Name trans-4-Chloro-2-butene-1-ol
Synonyms Pyridoxine Impurity 23
(Z)-4-chlorobut-2-en-1-ol
(2E)-4-Chlorobut-2-en-1-ol
trans-4-Chloro-2-butene-1-ol
2-buten-1-ol, 4-chloro-, (2E)-
2-Buten-1-ol, 4-chloro-, (2Z)-
Cis-4-chloro-2-butene-1-ol (double bond geoMetry Z)
CAS 1576-93-8
InChI InChI=1/C4H7ClO/c5-3-1-2-4-6/h1-2,6H,3-4H2/b2-1+

Pyridoxine Impurity 23 - Physico-chemical Properties

Molecular FormulaC4H7ClO
Molar Mass106.55
Density1.097±0.06 g/cm3(Predicted)
Boling Point83-89 °C(Press: 14 Torr)
Flash Point83.22°C
Vapor Presure0.23mmHg at 25°C
pKa14.05±0.10(Predicted)
Refractive Index1.469

Pyridoxine Impurity 23 - Introduction

trans-4-Chloro-2-butene-1-ol is an organic compound with the chemical formula C4H11ClO, also known in chemistry as (±)-4-chloro-2-crotyl alcohol, with the following properties:

1. Appearance: White crystalline solid.
2. Melting Point: about 45-46 degrees Celsius.
3. Boiling point: About 167 degrees Celsius.
4. Solubility: Soluble in water, alcohol and ether and other organic solvents.

The main uses of trans-4-Chloro-2-butene-1-ol are as follows:

1. Chemical synthesis intermediates: trans-4-Chloro-2-butene-1-ol can be used as intermediates in organic synthesis for the preparation of other compounds, such as esters, ketones and amides.
2. Drug synthesis: It is a commonly used organic synthesis reagent, used to prepare some drug precursors or intermediates.

The production method of trans-4-Chloro-2-butene-1-ol is generally obtained through a racemization reaction of 4-chlorocrotyl alcohol. The racemization reaction can achieve selective conversion of enantiomers by reacting a certain enantiomer with a chiral ligand. The specific preparation method may vary according to the actual situation, so it may be necessary to refer to the relevant literature or patent.

trans-4-Chloro-2-butene-1-ol safety information is as follows:

1. Toxicity: trans-4-Chloro-2-butene-1-ol are organic compounds, and attention should be paid to their potential acute and chronic toxicity. Appropriate precautions should be taken during use to avoid contact with skin, eyes and inhalation.
2. Combustibility: It is flammable and should avoid contact with fire or high temperature.
3. Storage: should be stored in a dry, well-ventilated place, away from fire sources and strong oxidants.
Last Update:2024-04-09 15:17:53
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(S)-4-(1-羟基-2-(甲基氨基)乙基)苯-1,2-二醇
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