2938-98-9

Basic information

• Product Name: 2-methylbutane-1,4-diol
• Synonyms: 2-methylbutane-1,4-diol;1,4-Butanediol, 2-methyl-;2-Methyl-1,4-butanediol;2-methyl-4-butanediol;NSC 91489
• CAS NO: 2938-98-9
• Molecular Formula: C₅H₁₂O₂
• Molecular Weight: 104.14758
• EINECS: 220-925-5
• Mol File: 2938-98-9.mol
• Article Data: 59

Chemical Properties

• Melting Point: 50.86°C (estimate)
• Boiling Point: 126-127℃
• Flash Point: 98.9±13.0℃
• Appearance: /
• Density: 1.4497 g/cm3 (20 ºC)
• Vapor Pressure: 0.0392mmHg at 25°C
• Refractive Index: 1.45 (589.3 nm 18℃)
• Storage Temp.: Refrigerator
• Solubility: Chloroform (Slightly)
• PKA: 14.91±0.10(Predicted)
• Stability: Unstable in Aqueous Solution
• CAS DataBase Reference: 2-methylbutane-1,4-diol(CAS DataBase Reference)
• NIST Chemistry Reference: 2-methylbutane-1,4-diol(2938-98-9)
• EPA Substance Registry System: 2-methylbutane-1,4-diol(2938-98-9)

Safety Data

• Hazardous Substances Data: 2938-98-9(Hazardous Substances Data)

Usage

Description

2-methylbutane-1,4-diol, also known as tetramethylene glycol or 2,3-dihydroxy-2-methylbutane, is a colorless, odorless liquid chemical compound with the molecular formula C5H12O2. It is a diol, characterized by the presence of two hydroxyl groups, and features a methyl group on the second carbon atom in the chain. 2-methylbutane-1,4-diol is commonly used as a solvent and as a building block in the synthesis of other chemicals.

Uses

Used in Pharmaceutical Industry:
2-methylbutane-1,4-diol is used as a solvent and intermediate in the synthesis of various pharmaceutical compounds due to its ability to dissolve a wide range of substances and facilitate chemical reactions.
Used in Cosmetics Industry:
In the cosmetics industry, 2-methylbutane-1,4-diol is used as a solvent for various cosmetic formulations, helping to dissolve and stabilize active ingredients, as well as contributing to the product's texture and consistency.
Used in Chemical Manufacturing:
2-methylbutane-1,4-diol is utilized as a building block in the synthesis of other chemicals, such as polymers and resins, due to its reactive hydroxyl groups and its ability to form stable linkages with other molecules.
It is important to handle 2-methylbutane-1,4-diol with care, as it can be hazardous if not properly managed.

InChI:InChI=1/C5H12O2/c1-5(4-7)2-3-6/h5-7H,2-4H2,1H3

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Downstream Products

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• 1443992-64-0 3-(6-hydroxy-4-methyl-2-(4-((S)-2-((R)-3-methylpyrrolidin-1-yl)propoxy)phenyl)-2H-chromen-3-yl)benzonitrile hydrochloride 
• 1443992-73-1 4-methyl-2-(4-((S)-2-((R)-3-methylpyrrolidin-1-yl)propoxy)phenyl)-3-(3-(methylsulfonyl)phenyl)-2H-chromen-6-ol hydrochloride 

Relevant articles and documents

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Hydroformylation reaction ligand, hydroformylation catalyst and diol preparation method

The invention discloses a hydroformylation reaction ligand, a hydroformylation catalyst and a diol preparation method According to the invention, the structural formula of the hydroformylation reaction ligand is shown in the specification, wherein R1 and R2 are mutually independent one of H, aryl or substituted aryl, thienyl, pyrrolyl, thiazolyl, imidazolyl and pyridyl; the ligand disclosed by the invention is high in catalytic activity and good in metal active center stability, by-products of aldehyde in a conventional hydroformylation reaction can be reduced, and linear diol with a high normal/isomer ratio can be obtained by a one-step method; and the method has the advantages of simple and convenient process, low cost and energy consumption, good production safety, high product quality and the like, and is particularly suitable for large-scale industrial production.

METHOD FOR PRODUCING ALCOHOL

PROBLEM TO BE SOLVED: To provide a method for producing selectively alcohol from carboxylic acid under mild conditions. SOLUTION: In the presence of a catalyst with M1 and M2 as metal species supported on a support, a substrate is reduced to produce a corresponding alcohol. (M1 is Rh, Pt, Ru, Ir, or Pd; M2 is Sn, V, Mo, W, or Re; the support is ZrO2, hydroxyapatite, Nb2O5, fluoroapatite, or hydrotalcite; the substrate is the formula 1a, 1b, or 1c). SELECTED DRAWING: None COPYRIGHT: (C)2020,JPO&INPIT

(Meth) acrylic ester and manufacturing method thereof (by machine translation)

(Meth) acrylic acid ester of [be] hydrophobic properties. (1) (Meth) acrylic ester represented by the formula [a]. R1 Is H or methyl; R3 Alkyl, cycloalkyl, aryl or aralkyl; R21 , R22 , R23 Each independently is H, alkyl or cycloalkyl is not one of at least 2 H; Z1 The divalent chain hydrocarbon substituted of unsubstituted C1 a-20/2, 2 // hetero-substituted of unsubstituted C1 a-20 free of divalent cyclic hydrocarbon or a single bond; Z2 The divalent chain hydrocarbon of C1 c 12 2, Z3 The (R21 R22 R23 ) Coupled with a free cyclic hydrocarbon containing heteroatoms C C - C3 d 10/forming atomic group; n is an integer of 0 - 3; m is an integer of 1 - 18[Drawing] no (by machine translation)